Inventory of Published and Unpublished Sediment-Load Data, United States and Puerto Rico, 1950 60

Compiled by K. F. HARRIS

GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1547

Prepared in cooperation with the Sub- committee on Sedimentation, Inter- Agency Committee on Heater R sources

UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1962 UNITED STATES DEPARTMENT OF THE INTERIOR

STEWART L. UDALL, Secretary

GEOLOGICAL SURVEY

Thomas B. Nolan, Director

For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.C. PREFACE

This report supplements Bulletin No. I, "Inventory of published and Unpublished Sediment Load Data in the United States," published in April 1949 and Bulletin No. 4, "Inventory of Published and Un published Sediment Load Data in the United States, Supplement- 1946 to 1950," published in April 1952. These bulletins were pub lished under the sponsorship of the Subcommittee on Sedimenta tion, Federal Inter-Agency River Basin Committee (predecessor to the Inter-Agency Committee on Water Resources).

The following agencies participating on the Subcommittee on Sedimentation, Inter-Agency Committee on Water Resources, fur nished records of published and unpublished data obtained by their various offices for this inventory:

Department of Agriculture Department of the Interior Agricultural Research Bureau of Mines Service Bureau of Reclamation Forest Service Geological Survey Soil Conservation Service Department of Health, Education, Department of the Army and Welfare Corps of Engineers Public Health Service

Department of Commerce Department of Labor Bureau of Public Roads Federal Power Commission Coast and Geodetic Survey Tennessee Valley Authority

III

CONTENTS

Page Preface. ______III Introduction ______1 Explanation of table and definition of terms ______2 Location of station ______2 Drainage area ______2 Period of record______3 Number of observations ______3 Sampling equipment ______3 Units of expression for load______5 Particle-size analyses ______6 Sources of data ______6 Records of sediment observations ______14 Index ______109

ILLUSTRATION

Page Figure 1. Map of the conterminous United States outlining the 14 major drainage areas ______2

INVENTORY OF PUBLISHED AND UNPUBLISHED SEDIMENT-LOAD DATA, UNITED STATES AND PUERTO RICO 1950-60

INTRODUCTION This inventory of published and unpublished sediment-load data contains a list of the sediment-transport measurements in the United States and Puerto Rico during October 1950 to September 1960, made by the agencies associated with the Subcommittee on Sedimentation. Some of the agencies have miscellaneous sediment data, such as single observations at scattered stations or observa tions on very small watersheds, which are not listed in this inven tory. Each entry contains the following: drainage area above station, period of record, number or frequency of observations, sampling equipment and method in which it was used, units of ex pression for load, particle-size analyses, and source of basic data or published results. The system adopted by the U.S. Geological Survey in 1951 for listing stream-gaging stations in Water-Supply Papers is used in this report for arrangement of sediment-load sampling stations. The conterminous United States is divided into 14 parts whose boundaries coincide with certain natural drainage lines. The bound aries of the various parts are indicated by the following list and figure 1.

Part 1. North Atlantic slope basins 2. South Atlantic slope and eastern Gulf of Mexico basins 3. Ohio River basin 4. St. Lawrence River basin 5. Hudson Bay and upper Mississippi River basins 6. Missouri River basin 7. Lower Mississippi River basin 8. Western Gulf of Mexico basins 9. Colorado River basin 10. The Great Basin 11. Pacific slope basins in California 12. Pacific slope basins in Washington and upper Columbia River basin 13. Snake River basin 14. Pacific slope basins in Oregon and lower Columbia River basin 1 INVENTORY OF SEDIMENT-LOAD DATA, 1950-60

Figure 1. Map of the conterminous United States outlining the 14 major drainage areas. Alaska and Puerto Rico are listed in addition to the 14 parts. Sta tions in each part are listed in a downstream direction along the main stem, with stations on tributaries above a main-stem station listed first. If a tributary enters between two main-stem stations, it is listed between them. A similar order is followed in listing stations on first rank, second rank, or other rank of tributaries.

EXPLANATION OF TABLE AND DEFINITION OF TERMS The pertinent information about the measurements at each loca tion are listed in the table in the manner described in the follow ing paragraphs.

LOCATION OF STATION The name of the nearest post office is used, when available, for locating the sampling station or, if the station is located at a U.S. Geological Survey gaging station, this name is used. Reference to bridges, highways, locks, and dams are used when further defini tion is needed for location.

DRAINAGE AREA Drainage areas are given in square miles even though the origi nal areas may have been given in acres or other units of land measure. The sizes of drainage areas are listed as shown in the tabulations submitted by the cooperating agencies except where there was obvious conflict with the size of areas published by the EXPLANATION OF TABLE AND DEFINITION OF TERMS *

Geological Survey. In these instances a size of area consistent with the area published by the Geological Survey was used.

PERIOD OF RECORD

This inventory presents data obtained from October 1950 to September 1960. Exceptions occur for listed records that were collected before October 1950 but were not reported in Bulletins 1 and 4 and for listed revisions to earlier data.

The period of record is shown by listing the month and year of the first and last observations in a sustained series. A break in sustained operation was considered to have occurred when there was (a) a period of no activity, (b) a change in methods of sampling or equipment, or (c) a change in the reference source for data.

NUMBER OF OBSERVATIONS

The number of observations shows how many sets of samples were collected during the period of record, and hence the approx imate adequacy of the data. A set may be one or several samples collected during a short period of time; the average concentration of the samples is taken to represent the concentration of the stream at a given time. When observations were made with two different samplers and the number of observations for each type of sampling method is known, the larger number is given in the tabulation and the lesser number, providing it is at least 10 per cent of the total, is included as a footnote. When many samples were obtained during the period of recorder if a definite frequency was established, the number or frequency appears as a footnote.

SAMPLING EQUIPMENT

Information on sampling equipment appears either as the model number of the sampler or as symbols representing the type and model of sampler used. Following the model number or symbols, the manner in which the equipment was used and the type of sam ples collected are given. When equipment and methods of sampling changed during the period of record, footnotes are used to indicate these changes. The following model numbers and symbols are used to indicate sampling equipment:

Symbol Explanation

Auto Automatic sampling devices. B Bottle, can, bucket, or any ordinary container used to dip samples from a stream. * INVENTORY OF SEDIMENT-LOAD DATA, 1950-60

BM54 USBM-54 bed-material sampler. D43 USD-43 depth-integrating sampler. D49 USD-49 depth-integrating sampler. DH48 USDH-4 8 depth-integrating hand sampler. DH59 USDH-5 9 handline suspended-sediment sampler. DIH US depth-integrating hand sampler. DX49 USDX-49 depth-integrating sampler. Fo Foerst sampler. G U.S. Geological Survey Colorado sampler. GH U.S. Geological Survey horizontal bottle depth-integrating sampler. GV U.S. Geological Survey vertical bottle depth-integrating sampler. O Omaha District, Corps of Engineers, time-integrating sampler. P Purdue aliquot sampler. PA Pomerene automatic sampling wheel. P46 USP-46 point-integrating sampler. R Ramser silt sampler and silt box. RI Rock Island District, Corps of Engineers, time-integrating sampler. SP St. Paul District, Corps of Engineers, bottle sampler. STR Straub bed sampler. TB Tait-Binckley sampler. TVA Tennessee Valley Authority horizontal sampler. UA U.S. Department of Agriculture bottle sampler.

Detailed descriptions of most of these samplers may be found in the series of reports of the Joint-Agency Sedimentation Project and published under the general title, "A Study of Methods used in Measurement and Analysis of Sediment Loads in Streams." The Joint-Agency Project is sponsored by the Subcommittee on Sedi mentation, Inter-Agency Committee on Water Resources and is located at the St. Anthony Falls Hydraulic Laboratory at the Uni versity of Minnesota, Minneapolis.

Abbreviations and symbols have been used to show the manner in which the sampler was used and the type of samples collected. The first number in the symbol,the one preceding the slash, indi cates the number of verticals on which observations were made. The number following the slash indicates the number of samples taken in each vertical. The location of the sample or samples in the vertical is shown by a letter or letters which follow the num bers. Combinations of numbers and letters and their meanings in respect to sampling method are listed on the following page. EXPLANATION OF TABLE AND DEFINITION OF TERMS 3

Symbol Explanation 1/1 Single sample taken; location of sample in reference to position in vertical is unknown. I/IS Single sample taken at or near the surface of the stream. 1/1M Single sample taken at or near mid-depth. I/IB Single sample taken near the bottom. I/IV Single vertical; sample taken at some depth other than at or near the surface, mid-depth, or bottom. 1/3SMB Single vertical; samples taken at or near the surface, mid-depth, and bottom. 1/1DI Single depth-integrated sample. I/3V Single vertical; samples taken at three points in the vertical at different depths. 1-6/1DI Depth-integrated samples taken at 1 to 6 verticals. 1-9/1-4V Samples taken at 1 to 9 verticals and at 1 to 4 points in each vertical.

Any number of combinations of sampling method can be de scribed by these symbols. The following examples illustrate the complete symbol for equipment and method used in the inventory:

B1/1S Bottle or unimproved sampler used to dip a single sample at or near the surface of a stream. D43 6/1DI USD-43 sampler used to obtain depth-integrated samples on 6 separate verticals across a stream. 03/3-5VC Omaha sampler used to obtain composite1 samples on 3 separate verticals, 3 to 5 points in each vertical, across a stream. 03/3-5VD Omaha sampler used to obtain differentiated 2 samples on 3 separate verticals, 3 to 5 points in each verti cal, across a stream. 03/3-5VCD Omaha sampler used to obtain composite or differen tiated samples on 3 separate verticals, 3 to 5 points in each vertical, across a stream.

UNITS OF EXPRESSION FOR LOAD

Different units of concentration, including parts per million, percent by weight, and pounds per cubic foot, have been used in expressing the suspended-sediment concentration at the many lo cations. Since the differences in application of the several units are small, the type of concentration units has not been listed in this report.

*A composite sample consists of a group of point samples which are combined before concen tration and particle-size distribution is determined. 2A differentiated sample consists of a group of point samples which are individually analyzed for concentration and particle-size. 6 INVENTORY OF SEDIMENT-LOAD DATA, 1950-60

The sediment loads were expressed in a variety of units at many locations, and the many units used fall into two significant groups, in terms of either weight or volume. The units of load are shown in this report according to the following number code:

1. Weight per unit time. 2. Volume per unit time.

Code number 1 includes: tons per acre-hour pounds per day tons per storm event tons per day Code number 2 includes: tons per month acre-feet per month tons per quarter acre-feet per year tons per year cubic-feet per hour

When loads were not determined, the column under "Units" is left blank.

PARTICLE-SIZE ANALYSES

Appreciation of the value of the size composition of suspended sediments and bed material in the analyses of sediment-transport problems has grown rapidly in recent years and has directed in creasing attention to the measurement of particle sizes. The number of particle-size analyses of suspended sediment and bed material are indicated by code number as follows:

0 No particle-size analyses made. 1 From 1 to 100 size analyses. 2 More than 100 size analyses.

SOURCES OF DATA

The sources from which the data may be obtained are given in the following list. The sources are arranged alphabetically by author or agency. Since space prohibited listing all sources of data only the most recent are given.

The Subcommittee on Sedimentation does not have copies of the basic data nor a file of publications. If copies of basic data are desired, application must be made directly to the agencies or persons listed. The listing of unpublished data carries no assur ance that individuals or agencies will be able to furnish the data upon request. EXPLANATION OF TABLE AND DEFINITION OF TERMS 7

1. .Billingsley, G. A., and Joyner, B. F., 1953, Chemical and physical character of surface waters of North Carolina, 1951-52: North Carolina Dept.Conserv. and Devel. Bull.52, v. 8. 2. 1953, Chemical and physical character of surface waters of North Carolina, 1952 53: North Carolina Dept. Conserv. and Devel. Bull. 52, v. 9. 2A. Bloodgood, D. W., and Mortenson, J. E., 1952, Silt load of Texas streams. Progress report 13, 1950 51. Texas Board of Water Engineers and U.S. Department of Agriculture, Soil Conservation Service, 50 p. 2B. 1953, Silt load of Texas streams, fourteenth annual re port, 1951-52. Texas Board of Water Engineers, and U.S. Department of Agriculture, Soil Conservation Service, 57 p. 2C. Bloodgood, D. W., 1954, Silt load of Texas streams, fifteenth annual report, 1952 53. Texas Board of Water Engineers and U.S. Department of Agriculture, Soil Conservation Ser vice, 57 p. 2D. 1955, Silt load of Texas streams, sixteenth annual re port (1953-54). Texas Board of Water Engineers and U.S. Department of Agriculture, Soil Conservation Service, 54 p. 3. Connor, J.G., and Schroeder, M.E., 1957, Chemical and phys ical character of surface waters of Virginia, 1948 51: Virginia Dept. Conserv. and Devel. Bull. 20. 4. Douglas County Water Resources Survey, Roseburg, Oreg. 5. Guy, H. F., and others, 1958, Sediment yield from small wa tersheds and its detention by flood-retarding structures; report of progress to June 1957: U.S. Geol. Survey and Soil Conserv. Service, Progress Report. 6. Harris,K. F.,and Joyner,B. F., 1955,Chemical and physical character of surface waters of North Carolina, 1953 54: North Carolina Dept. Conserv. and Devel. Bull. 52, v. 10. 7. Kapustka, S. F., 1957, Chemical and physical character of surface waters of Virginia 1954 56: Virginia Dept. Conserv. and Devel. Bull. 22. 8. McAvoy,R. L., and Harris, K. F., 1956, Chemical and phys ical character of surface waters of North Carolina, 1954 55: North Carolina Dept. Conserv. and Devel. Bull. 52, v. 11. 9. McAvoy, R.L., 1957, Chemical and physical character of sur face waters of North Carolina, 1955 56: North Carolina Dept. Conserv. and Devel. Bull. 52, v. 12. 10. Pauszek, F. H., 1952, Chemical character of surface waters of North Carolina, 1950-51: North Carolina Dept, Conserv. and Devel. Bull. 52, v. 7. o INVENTORY OF SEDIMENT-LOAD DATA, 1950-60

11. Phibbs, E. J., and Chemerys, J. C., 1951, Chemical and phys ical character of surface waters of North Carolina, 1958 59: North Carolina Dept. Water Resources Bull. l,v. 3. 12. Rainwater, F. H., and Guy, H. P., 1961, Some observations on the hydrochemistry and sedimentation of the Chamberlin Glacier area, Alaska: U.S. Geol. Survey Prof. Paper 414-C. 13. Schroeder, M. E., and Kapustka, S. F., 1957, Chemical and physical character of surface waters of Virginia 1951 54: Virginia Dept. Conserv. and Devel. Bull. 21. 14. Tennessee Valley Authority, Knoxville, Term. Unpublished data. 15. U.S. Corps of Engineers, Department of the Army, Albuquerque District, Albuquerque, N. Mex. Unpublished data. 16. Charleston District, Charleston, S.C. Unpublished data. 17. Fort Worth District, Fort Worth, Tex. Unpublished data. 18. Galveston District, Galveston, Tex. Unpublished data. 19. Jacksonville District, Jacksonville, Fla. Unpublished data. 20. Kansas City District, Kansas City, Mo. Unpublished data. 21. Little Rock District, Little Rock, Ark. Unpublished data. 22. Mobile District, Mobile, Ala. Unpublished data. 23. New Orleans District, New Orleans, La. Unpublished data. 24. New York District, New York, N. Y. Unpublished data. 25. Norfolk District, Norfolk, Va. Unpublished data. 26. Omaha District, Omaha, Nebr. Unpublished data. 27. Portland District, Portland, Oreg. Unpublished data. 28. Rock Island District, Rock Island, 111. Unpublished data. 29. St. Louis District, St. Louis, Mo. Unpublished data. 30. Sacramento District, Sacramento, Calif. Unpublished data. 31. Savannah District, Savannah, Ga. Unpublished data. 32. Seattle District, Seattle, Wash. Unpublished data. 33. Tulsa District, Tulsa, Okla. Unpublished data. 34. Vicksburg District, Vicksburg, Miss. Unpublished data. 35. Walla Walla District, Walla Walla, Wash. Unpublished data. 36. WilmingtonDistrict, Wilmington, N.C., Study of shoaling, Cape Fear River and Sunny Point Army Terminal, July 12, 1960. Unpublished data. 37. U.S. Department of Agriculture, Agricultural Research Ser vice, SWC, Columbus, Mo. Unpublished data. 38. East Aurora, N. Y. Unpublished data. 39. Hastings, Nebr. Unpublished data. 40. Riesel, Tex. Unpublished data. 41. University, Miss. Unpublished data. EXPLANATION OF TABLE AND DEFINITION OF TERMS 9

42. U.S. Department of Agriculture, Agricultural Research Ser vice, SWC, Watershed Technology Research Branch, Wash ington, D.C. Unpublished data. 43. U.S. Department of Agriculture, Forest Service, Boise Re search Center, Boise, Idaho. Unpublished data. 44. Coweeta Hydrologic Laboratory, Franklin, N.C. Un published data. 45. Division of Water Management Research Study 1 17, Washington, D.C. 46. Northeastern Forest Experiment Station, Upper Darby, Pa. Unpublished data. 47. Pacific Northwest Forest and Range Experiment Station, Portland, Or eg. Unpublished data. 48. Pacific Southwest Forest and Range Experiment Station, Berkeley, Calif. Unpublished data. 49. Rocky Mountain Forest and Range Experiment Station, Flagstaff, Ariz. Unpublished data. 50. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colo. Unpublished data. 51. Rocky Mountain Forest and Range Experiment Station, Grand Junction, Colo. Unpublished data. 52. Rocky Mountain Forest and Range Experiment Station, Laramie, Wyo. Unpublished data. 53. Rocky Mountain Forest and Range Experiment Station, Tempe, Ariz. Unpublished data. 54. Southern Forest Experiment Station, New Orleans, La. Unpublished data. 55. U.S. Department of Agriculture, Soil Conservation Service, Berkeley, Calif. Unpublished data. 56. (in cooperation with Texas Board of Water Engineers), Austin, Tex. Unpublished data. 57. Engineering and Watershed Planning Unit, Portland, Oreg. Unpublished data. 58. Tech.Paper 117; Sedimentation in Cold Springs Reser voir, Umatilla County, Oreg. 59. U.S. Department of the Interior, Bureau of Reclamation, Albuquerque Project Office, Albuquerque, N. Mex. Unpub lished data. 60. Commissioner's Office, Denver, Colo. Unpublished data. 61. El Centro, Calif. Unpublished data. 62. Grand Junction Projects Office, Grand Junction, Colo. Unpublished data. 63. Region 1, Boise, Idaho. Unpublished data. 64. Region 3, Boulder City, Nev. Unpublished data. 65. Region 4, Salt Lake City, Utah. Unpublished data. 66. Region 7, Denver, Colo. Unpublished data. 10 INVENTORY OF SEDIMENT-LOAD DATA, 1950-60 67. U.S. Department of the Interior, Geological Survey, Albany, N. Y. Unpublished data. 68. Albuquerque, N. Mex. Unpublished data. 69. Austin, Tex. Unpublished data. 70. Baton Rouge, La. Unpublished data. 71. Columbus, Ohio. Unpublished data. 72. Fayetteville, Ark. Unpublished data. 72a. Iowa City, Iowa. Unpublished data. 73. U.S. Department of the Interior, Geological Survey, Lincoln, Nebr. Unpublished data. 74. Oca-la, Fla. Unpublished data. 75. Oklahoma City, Okla. Unpublished data. 76. Palmer, Alaska. Unpublished data. 77. Philadelphia, Pa. Unpublished data. 78. Portland, Oreg. Unpublished data. 79. Raleigh, N.C. Unpublished data. 80. Rockville, Md. Unpublished data. 81. Sacramento, Calif. Unpublished data. 82. Salt Lake City, Utah. Unpublished data. 83. -San Juan, P. R. Unpublished data. 84. Worland, Wyo. Unpublished data. 85. U.S. Geological Survey, 1953, Quality of surface waters of the United States, 1948, Pt. 1-6, North Atlantic slope basins to Missouri River basin: U.S. Geol. Survey Water-Supply Paper 1132, p. 515. 86. 1954, Quality of surface waters of the United States, 1949.Pt. 1-6, North Atlantic? slope basins to Missouri River basin : U.S.Geol. Survey Water-Supply Paper 1162, p. 662. 87. 1954, Quality of surface waters of the United States, 1950. Pt. 1-4, North Atlantic slope basins to St. Lawrence River basin: U.S. Geol. Survey Water-Supply Paper 1186, p. 331. 88. 1955, Quality of surface waters of the United States, 1950 51, Pt. 1 4, North Atlantic slopebasins to St. Lawrence River basin: U.S. Geol. Survey Water-Supply Paper 1197, P. 373. 89. 1956, Quality of surface waters of the United States, 1950 51, Pt. 5 6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1198, 586 p. 90. 1955, Quality of surface waters of the United States, 1950 51,Pt. 7 8, Lower Mississippi River basin and West ern Gulf of Mexico basins: U.S. Geol. Survey Water-Supply Paper 1199, 490 p. 91. 1955, Quality of surface waters of the United States, 1950-51, Pt. 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1200, 285 p. EXPLANATION OF TABLE AND DEFINITION OF TERMS 11

92. U.S. Geological Survey, 1956, Quality of surface waters of the United States, 1951-52, Pt. 1 4, North Atlantic slope basins to St. Lawrence River basin: U.S. Geol. Survey Water- Svipply Paper 1150, 365 p. 93. 1957, Quality of surface waters of the United States, 1951 52, Pt. 5 6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1251, 578 p. 94. 1956, Quality of surface waters of the United States, 1951 52, P,t. 7 8, Lower Mississippi River basin and West ern Gulf of Mexico basins: U.S. Geol. Survey Water-Supply Paper 1252, 486 p. 95. 1957, Quality of surface waters of the United States, 1951 52, Pt. 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1253, 344 p. 96. 1957, Quality of surface waters of the United States, 1952 53, Pt. 1 4, North Atlantic slopebasins to St. Lawrence River basin: U.S. Geol. Survey Water-Supply Paper 1290, 439 p. 97. 1958, Quality of surface waters of the United States, 1952 53, Pt. 5 6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1291, 472 p. 98. 1958, Quality of surface waters of the United States, 1952 53, Pt. 7 8, Lower Mississippi River basin and West ern Gulf of Mexico basins: U.S. Geol. Survey Water-Supply Paper 1292, 523 p. 99. 1958, Quality of surface waters of the United States, 1952-53, Pt. 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1293, 372 p. 100. 1958, Quality of surface waters of the United States, 1953 54, Pt. 1 4, North Atlantic slopebasins to St. Lawrence River basin: U.S. Geol. Survey, Water-Supply Paper 1350, 415 p. 101. 1958, Quality of surface waters of the United States, 1953 54, Pt. 5 6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1351, 284 p. 102. 1959, Quality of surface waters of the United States, 1953 54, Pt. 7 8, Lower Mississippi River basin and West ern Gulf of Mexico basins: U.S. Geol. Survey Water-Supply Paper 1352, 501 p. 103. 1959, Quality of surface waters of the United States, 1953-54, Pt. 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1353, 426 p.

619952 O -62 -2 12 INVENTORY OF SEDIMENT-LOAD DATA, 1950-60.

104. U.S. Geological Survey, 1959, Quality of surface waters of the United States, 1954-55, Ft. 1-4, North Atlantic slope basins to St. Lawrence River basin: U.S. Geol. Survey Water - Supply Paper 1400, 530 p. 105. 1959, Quality of surface waters of the United States, 1954 55, Pt. 5 6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1401, 305 p. 106. 1959, Quality of surface waters of the United States, 1954 55, Pt. 7 8, Lower Mississippi River basin and Western Gulf of Mexico basins: U.S. Geol. Survey Water- Supply Paper 1402, 539 p. 107. 1960, Quality of surface waters of the United States, 1954 55, Pt. 9 14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1403, 437 p. 108. 1960, Quality of surface waters of the United States, 1955-56, Pt. 1-4, North Atlantic slope basins to St. Lawrence River basin: U.S. Geol. Survey Water-Supply Paper 1450, 603 p. 109. 1960, Quality of surface waters of the United States, 1955 56, Pt. 5-6, Hudson Bay and upper Mississippi River basin: U.S. Geol. Survey Water-Supply Paper 1451, 349 p. 110. 1960, Quality of surface waters of the United States, 1955 56, Pt. 7 8, Lower Mississippi River basin and Western Gulf of Mexico basins: U.S. Geol. Survey Water- Supply Paper 1452, 469 p. 111. 1960, Quality of surface waters of the United States, 1955 56, Pt. 9 14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin: U.S. Geol. Survey Water-Supply Paper 1453, 447 p. 112. 1958, Quantity and quality of surface waters of Alaska, October 19 50 to September 1953: U.S. Geol. Survey Water- Supply Paper 1466, 243 p. 113. 1958, Quantity and quality of surface waters of Alaska, October 1953 to September 1956: U.S. Geol. Survey Water - Supply Paper 1486, 229 p. 114. 1960, Quantity and quality of surface waters of Alaska, 1957: U.S. Geol. Survey Water-Supply Paper 1500, 100 p. 115. 1960, Quality of surface waters of the United States, 1956-57, Pt. 1-4, North Atlantic slope basins to St. Lawrence River basin: U.S. Geol. Survey Water-Supply Paper 1520, 641 p. EXPLANATION OF TABLE AND DEFINITION OF TERMS 13

116.U.S. Geological Survey, 1960, Quantity and quality of surface waters of Alaska, 1958: U.S. Geol. Survey Water-Supply Paper 1570, 120 p. 117.Woodard,T. H., and Thomas, J. D., 1959, Chemical and phys ical character of surface waters of North Carolina, 1956 57: North Carolina Dept. Water Resources Bull. 1, v. 1. 118. 1961, Chemical and physical character of surface waters of North Carolina, 1957-58: North Carolina Dept. Water Resources Bull. 1, v. 2. RECOFJDS OF SEDIMENT OBSERVATIONS PART 1. NORTH ATLANTIC SLOPE BASINS Number Partie le-size Drainage Period of Sampling ana! Lrses Stream and location area of obser equipment and Units Source (sq mi) record vations method Bed Sus No. pended THAMES RIVFR BASIN WlLLIMANTIC R NR SO COVENTRY CONN 121 4/57 1 DIH1/1V 1 0 0 67 NATCHAUG R AT WILLIMANTIC CONN... 169 4/56- 4/57 2 DIH1/1V 1 0 0 67 SHETUCKET R NR WILLIMANTIC CONN.. 401 4/57 1 DIH1/1V 1 0 0 67 QUINEBAUG R AT QUINEBAUG CONN.... 157 10/59 1 D49 1/1V 1 0 0 67 QUINEBAUG R AT POMFRET TOWN 3/59 1 DIH1/1 1 0 0 67 QUINEBAUG R AT JEWETT CITY CONN.. 711 4/56 1 DIH1/1V 1 0 0 67 CONNECTICUT RIVER BASIN WESTFIELD R NR WESTFIELO MASS.... 497 10/55 1 DIH1/1V 1 0 0 67 CONNECTICUT R AT THOMPSONVILLE CO 9*661 10/55- 4/56 2 DIH1/6V 1 0 0 67 UNNAMED STREAM 8MI US F/QW STA ON SCANTIC AT BROAD BROOK CONN... 9/58-11/58 5 DIH1/4 1 0 0 67 SCANT 1C RIVER AT BROAD BROOK CONN 98.4 11/52- 9/60 *A D43 1/1DI 1 0 1 67 115 W BR FARMI.'IGTON R AT RIVERTON CON 130 10/55- 4/57 2 DIH1/1V 1 0 0 67 FARMINGTON R AT TARRIFVILLE CONN. 10/55 1 DIH1/1V 1 0 0 67 C&I MrtU RD MD /ID A MR V /TtMM 66.8 "*/A./R -JO A 1 DTMl\J IF! J. //I A V 1 0 0 67 CONNECTICUT R AT MIDDLETOWN CONN. 4/56 10 DIH1/10V 1 0 1 67 QUINNIPIAC RIVER BASIN QUINNIPIAC R AT WALLINGFORD CONN. 109 4/57 1 DIH1/1V 1 0 0 67 HOUSATONIC RIVER BASIN HOUSATONIC R NR GR BARRINGTON MAS 280 10/55 1 DIH1/1V 1 JO 0 67 HOUSATONIC R AT FALLS VILLAGE CON 632 10/55 1 DIH1/1V 1 0 0 67 TENMILE R NR GAYLORDSVILLE CONN.. 204 3/59 1 DIH1/1 1 0 0 67 HOUSATONIC R AT GAYLORDSVILLE CON 994 10/55 1 DIH1/1V 1 0 0 67 HOUSATONIC R AT NEW MILFORD CONN. 10/55 1 DIH1/1V 1 0 0 67 68.5 3/59 1 DH59 1/1 1 0 0 67 133 10/55 1 vftt in Ml ji //1V * » 1 0 0 67 HOUSATONIC R AT STEVENSON CONN... 1*545 10/55 1 DIH1/1V 1 0 0 67 NAUGATUCK R NR THOMASTON CONN.... 71.9 10/55 1 DIH1/1V 1 0 0 67 NAUGATUCK R NR NAUGATUCK CONN.... 246 10/55 1 DIH1/1V 1 0 0 67 POMPERAUG R AT SOUTH BURY CONN... 75.3 10/55 DIH1/1V 67 HUDSON RIVFR BASIN GLOWEGEE CR AT W MILTON N Y...... 26.0 2/53- 4/59 60 B1-5/1S 67 KAYADEROSSERAS CR NR W MILTON NY 90 3/53- 7/55 *B DH59 1/1DI 108 OO 90 7/58- 6/59 *C D49 1-8/1DI 108 LITTLE HOOSICK AT PETERSBURG N Y. 56.1 4/59 1 Bl/1 67 HUDSON R AT MECHANICVILLE N Y.... 4.500 10/55 1 Bl/1 67 MOHAWK R AT WHITE BOAT HOUSE N Y. 9/52 5 D49 1-5-1/5V 67 MOHAWK R AT HOLMES BOAT YARD N Y. 7/52 5 D49 1-5-1/5V 67 MOHAWK R AT KNOLLS DOCK N Y...... 3.381 6/52- 8/52 97 D49 1-40/1/5V 67 MOHAWK R AT GE RESEARCH N Y...... 6/52- 8/52 32 D49 1-32-I/5V 67 SCHOHARIE CR AT BREAKABEAM NY... 4/59 1 Bl/1 67 SCHOHARIE CR AT SCHOHARIE N Y.... 4/59 1 Bl/1 67 SCHOHARIE CR AT BURTONSVlLLE N Y. 883 10/58 1 Bl/1 67 MOHAWK R AT REXFORD N Y...... 3,375 10/51- 8/52 18 D49 1/5 67 MOHAWK R R*50 SCHENECTADY N Y.... 8/53- 9/53 264 049 1-8-1/3V 67 MOHAWK R AT COHOES N Y...... 3*456 1/54- 6/59 *A D49 1/1DI 67 115 PATROON CREEK AT ALBANY N Y..... 10/52 1 DIH1/6DI 67 HUDSON R AT WATERVLIET N Y...... 10/55 1 Bl/4 67 CATSKILL CR AT OATHILL N Y...... 98 10/58 1 Bl/1 67 DOODLETOWN BROOK AT OOOOLETOWN NY 2.91 3/60 1 DH59 1/2DI 67 HUDSON RIVER AT NEW YORK CITY N Y 13.366 4/57 *J B200/4-5DI 24 DO 13*366 7/60 16 16/1-6V *E 24 HUDSON R AT POUGHKEEPSIE WW N Y.. 11,056 7/59- 9/60 900*0 B1/1B 24 HACKENSACK RIVER BASIN LK TIORATTI BR AT CEDAR FLATS NY. 10.5 2/60 DH59 1/2DI 67 CEDAR POND BR AT STONY PT N Y.... 17.3 2/60 DH59 1/4DI 67 MINISCEONGO CR AT THIELL N Y..... 15.0 2/60 DH59 1/2DI 67 SPARK ILL CR AT TAPPAN N Y...... 4.94 4/60 DH59 1/4DI 67 SPARK ILL CR AT SPARKILL N Y...... 11.1 10/59- 4/60 DH59 1/4DI 67 HACKENSACK R BROOKSIDE PARK N Y.. 13.2 9/59- 2/60 DH59 1/1DI 67 E BR HACKENSACK R NR CONGERS N Y. 6.86 12/59- 4/60 DH59 1/2DI 67 HACKENSACK R AT R 59 W NYACK N Y. 29.4 10/59- 2/60 DH59 1/1DI 67 NAURAUSHAUN BR AT BLAUVELT NAURAUSHAUN N Y...... 6.08 8/59- 2/60 DH59 1/8DI 67 HACKENSACK R NR ORANGEBURG NY... 44.9 8/59- 2/60 DH59 1/1DI 67 TRIB TO PASCACK BR AT SPRING VALLEY N Y...... 4.58 10/59- 3/60 DH59 1/4DI 67 PASCACK BR AT PEARL R N Y...... 10.2 8/59 DH59 1/4DI 67 PASSAIC RIVER BASIN RAMAPO RIVER AT SLOATSBURG N Y... 60.9 10/59- 2/60 DH59 1/3DI 67 RAMAPO R STONY BR WALDRON T£R NY. 18.2 2/60 DH59 1/2DI 67 * See footnotes at end of Part 1. PART 1. NORTH ATLANTIC SLOPE BASINS Continued Number Part ic le-size Drainage Period of Sampling anal yses Source of Units No. (sq mi) record vat ions method Bed Sus pended PASSAIC RIYER BASIN-CONTINUED CRANBERRY LAKE OUTLET AND TRIB AT 5.35 10/59- 4/60 DH59 1/2DI 1 0 0 67 TORNE BR TRIB T AT RAMAPO N Y.... 2.62 8/59- 3/60 5 DH59 1/4DI 1 0 0 67 MAHWAH RIVER NR SUFFERN RT 202 NY 12.3 10/59- 2/60 4 DH59 1/2DI 1 0 0 67 MAHWAH RIVER LAFAYETTE BLVD AT 20.7 8/59- 2/60 DH59 1/4DI 0 67 SADDLE RIVER NR SPRING VALLEY NY. 2.06 12/59- 2/60 2 DH59 1/2DI 1 0 0 67 PINE BROOK NR SPRING VALLEY N Y.. 2.28 12/59- 2/60 2 DH59 1/2DI 1 0 0 67 PARITAN RIVER BASIN S BR RARITAN R NR HIGH BRIDGE NJ. 65.3 2/60- 9/60 18 DH59 1/1DI 1 0 1 77 41 1/60- 9/60 35 DIH1/1DI 1 0 1 77 S BRANCH RARITAN R AT STANTON N J 147 12/59- 9/60 »A 043 1/1DI 1 0 1 77 2.57 4/56-12/59 285 DIH1/1DI 1 0 1 77 WOODSVILLE BK AT WOODSVILLE N J . 1.86 4/56- 9/60 204 DIH1/1DI 1 0 1 77 BALDWIN CR NR PENNINGTON N J... . 1.92 4/56- 9/60 133 DIH1/1DI 1 0 1 77 STONY BROOK AT GLENMOORE N J... . 17.6 6/56- 9/60 135 DIH1/1DI 1 0 1 77 HONEY BRANCH NR ROSEDALE N J... . 4.02 11/56- 9/60 102 DIH1/1DI 1 0 1 77 STONY BROOK AT PRINCETON N J... . 44.5 1/56- 9/60 »A 043 1/1DI 1 0 1 115»77 DELAWARE RIVER BASIN BEAVER KILL AT COOKS FALLS N Y... 241 4/54- 9/59 3 DIH 1/4DI 1 0 0 67 E BR DELAWARE R AT FISHS EDDY NY. 783 8/54- 9/59 2 DIH 1/2DI 1 0 0 67 DO 783 10/56-12/57 21 DIH1/1DI 1 0 0 77 W BR DELAWARE R AT HALE EDDY N Y. 593 4/54- 8/54 2 DIH1/4DI 1 0 0 67 DO 593 9/56-12/57 18 DIH1/1DI 1 0 1 77 CALLICOON CR AT CALL I COON N Y.... 111 4/54- 8/59 2 DIH1/2DI 1 0 0 67 DELAWARE R NR BARRYVILLE N Y..... 2*023 4/54- 8/54 2 OIH1/2DI 1 0 0 67 DO 2t023 9/56-12/57 28 043 1-6/1DI 1 0 1 77 290 12/57- 9/60 DIH1 -6/101 1 0 1 77 202 1 DIH1/2DI 1 0 0 67 DELAWARE R AT PORT JERVIS N Y.... 3,076 2/57- 9/60 547»F 049 1/101 1 0 1 67, 115 NEVERSINK R AT CLARYVILLE N Y.... 65.6 4/54- 8/54 2 DIH1/60I 1 0 0 67 NEVERSINK R AT GODEFFROY N Y..... 302 4/54- 8/54 2 DIH1/6DI 1 0 0 67 DO 302 11/56-12/57 18 DIH1/1DI 1 0 0 77 117 12/57- 9/60 6 DIH1-6/1DI 1 0 1 8RODHEAD CR AT MINISINK HILLS PA. 259 7/60- 9/60 82 DIH1/1DI 1 0 0 77 DELAWARE R AT 8ELVIDERE N J..... 4,535 12/56-11/57 12 OIH1/1DI 1 0 1 77 LEHIGH RIVER AT WALNUTPORT PA.... 889 10/50- 3/53 »A 043 1/1DI 1 0 1 88*92 MUSCONETCONG R NR BLOOMSBURY N J. 143 12/57- 9/60 6 DIH1-6/1DI 1 0 1 77 TOHICKON CR NR PIPERSVlLLE PA.... 97.4 12/57- 9/60 5 OIH1-6/1DI 1 0 1 77 RECORDS OF SEDIMENT OBSERVATIONS 17

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NORTH ATLANTIC SLOPE BASINS Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended SUSQUEHANNA RIVER BASIN--CONTINUED TUSCARORA CR NR SO ADDISON N Y... 114 4/54- 8/54 OIH1/2DI 67 TIOGA R NR ERWINS N Y...... 1,370 4/53- 8/54 OIH1/6DI 67 COHOCTON R NR CAMPBELL N Y...... 472 4/54- 3/55 DIH1/2DI 67 NEWTOWN CR AT ELMIRA N Y...... 79.8 4/54- 8/54 DIH1/2DI 67 CHEMUNG R AT CHEMUNG N Y...... 2.530 4/53- 3/55 DIH1/4DI 67 SUSQUEHANNA R AT TOWANDA PA...... 7.797 1/51- 7/53 *A 043 1/1DI 100*92 DO 7t797 8/53- 7/54 »A 043 1/101 100.92 SUSQUEHANNA R AT DANVILLE PA..... 11.220 4/59- 9/60 4 DH59 1/101 77 W BR SUSQUEHANNA R AT BOWER PA... 315 4/59- 9/60 2 DH59 1/1DI 77 N BALD EAGLE CR AT MILESBURG PA.. 265 12/55- 3/58 * DIH1-6/1DI 115.77 HOLT HOLLOW NR MILESBURG PA...... 2.74 6/56- 4/57 619 DIH1/1DI 77 NITTANY CR AT CURT IN PA...... 14.3 5/56- 7/57 169 OIH1/1DI 77 ANTIS RUN AT CURT IN PA*...... 1.56 5/56- 5/57 167 DIH1/10I 77 BULLIT RUN AT MOUNT EAGLE PA..... 4.29 5/56- 8/56 20 OIH1/1DI 77 LICK RUN AT HOWARD PA...... 6.27 5/56- 6/57 107 DIH1/1DI 77 HUNTERS RUN NR BLANCHARD PA...... 1.52 3/56- 6/57 94 DIH1/10I 77 N BALD EAGLE CR AT BLANCHARD PA.. 339 12/55- 3/58 « D43 1/1DI 115.77 LITTLE MARSH CR NEAR ROMOLA PA... 9.54 5/56- 7/57 93 DIH1/1DI 77 MARSH CR NR MANN SCH NR ROMOLA PA 6.17 5/56- 9/56 55 OIH1/10I 77 DO 9.08 5/56- 8/57 127 OIH1/1DI 77 ROMOLA BRANCH AT ROMOLA PA...... 3.49 7/56- 6/57 183 DIH1/1DI 77 MARSH CR AT BLANCHARD PA...... 44.1 11/55- 3/58 * 043 1/101 115.77 LOYALSOCK CR AT LOYALSOCK PA..... 443 4/59- 9/60 2 DIH1/10I 77 W BR SUSQUEHANNA R A LEWISBURG PA 6.847 4/59- 9/60 3 04? 1-6/101 77 JUNIATA R AT HUNTINGDON PA...... 816 4/59- 9/60 4 01H1/1DI 77 RAYSTOWN BR JUNIATA R AT SAXTON J? 756 4/59- 9/60 4 OH59 1/101 77 JUNIATA RIVER AT NEWPORT PA...... 3,354 1/51- 9/60 « 043 1/1DI 115,77 E BR BIXLER RUN NR LOYSVILLE PA.. 1.9Q 10/54- 9/60 194 OIH1/1DI 77 N BR BIXLER RUN AT PALMS NR LOYSVILLE PA...... 0.54 6/54- 9/60 581 OIH1/10I 77 N BR BIXLE3 RUN AT KISTLER NR LOYSVILLE PA...... 2.79 10/54- 9/60 502 OIH1/10I 77 BIXLER RUN AT KISTLER NR LOYSVILLE PA...... 5.45 10/54- 9/60 523 DIH1/10I 77 BIXLER RUN NEAR LOYSVILLE PA..... 15.0 2/54- 9/60 * 043 1/101 115,77 SUSOUEHANNA R AT HARRISBURG PA... 24.100 4/58- 9/60 26 OH59 1-6/101 77 YELLOW BREECHES CR NR CAMP HILL P 216 5/60- 9/60 2 OIH1/1DI 77 SWATARA CR AT RAVINE PA...... 114 5/59- 12/59 2 DIH1/10I 77 LOWER LITTLE SWATARA CREEK AT PINE GROVE PA...... 34.3 5/59-12/59 OIH1/10I 77 LITTLE SWATARA CR NR MT AETNA PA. 27.5 5/59-12/59 3 DIHl/lDI 1 0 77 LITTLE SWATARA CR NR JONESTOWN PA 63.7 5/59-12/59 2 DIHl/lDI 0 0 77 190 5/59-12/59 2 DIHl/lDI 0 0 77 SWATARA CR AT HARPER TAVERN PA... 333 5/59- 9/60 *A D43 1-6/1DI 1 0 1 77 QUITTAPAHULA CR NR SYNER PA..... 75.6 5/59-12/59 2 DIHl/lDI 1 0 77 32.0 5/59-12/59 2 DIHl/lDI 0 0 SPRING CR AT UNION DEPOSIT PA.... 24.6 5/59-12/59 5 DIHl/lDI 1 0 77 BEAVER CR AT HUMMELSTOWN PA 27.1 5/59-12/59 2 DIHl/lDI 0 0 77 SWATARA CR AT MIDDLETOWN PA...... 565 5/59-12/59 2 DIHl/lDI 0 0 77 CORDORUS CR AT SPRING GROVE PA... 74.3 2/53- 9/60 2 DIH1-6/1DI 1 1 0 77 CONESTOGA CR AT LANCASTER PA..... 324 2/53- 9/60 6 DH59 1/1DI 1 0 0 77 POTOMAC RIVER BASIN 45.7 0 NB POTOMAC RIVER AT PINTO MD..... 596 10/59- 9/60 18 DH59 1 0 1 80 146 DH59 1 0 Q f\ PATTERSON C NR HEADSVILLE W VA... 219 10/59- 9/60 9 DH59 1 0 1 80 SB POTOMAC RIVER AT FRANKLIN W VA 182 3/60- 9/60 2 DH59 1 0 0 80 NF OF SB POTOMAC R AT CABINS W VA 314 3/60- 9/60 6 DH59 1 0 1 80 SB POTOMAC R NR PETERSBURG W VA.. 642 3/60- 9/60 6 DH59 1 0 1 80 SF OF SB POTOMAC RIVER AT 102 nu R o 0 0 Q fl SF OF SB POTOMAC RIVER NR n o Q 1 p n SB POTOMAC R NR SPRINGFIELD w VA. 1,478 10/59- 9/60 17 DH59 1 0 1 80 POTOMAC RIVER AT PAW PAW w VA.... 3.110 3/59- 9/60 21 DH59 1 0 1 80 CACAPON R NR GREAT CACAPON W VA.. 677 10/59- 9/60 25 DH59 1 0 1 80 CONOCOCHEAGUE CR AT FAIRVIEW MD.. 494 8/48- 9/50 *H DIM 0 0 86.87 DO 494 10/59- 9/60 17 DH59 1 0 1 80 OPEQUONC NR MARTINSBURG W VA.... 272 1/60- 9/60 6 DH59 1 0 1 60 ANTIETAM CR NR WAYNESBORO PA..... 93.5 10/50- 6/51 30 DIHl/lDI 1 0 0 86 ANTIETAM C NR SHARPSBURG MD...... 281 1/60- 9/60 8 DH59 1 0 1 60 375 2 nuSQ 1 0 0 DURQ 1 0 1 80 SF SHENANDOAH R A FRONT ROYAL VA. 1*638 4/53- 9/56 *A D49 1/lDI 1 0 1 7,13 DO 1*636 3/60 7 DH59 1 0 1 60 NF SHENANDOAH R A COOTES STORE VA 215 3/60- 9/6Q 2 DH59 1 0 0 60 N F SHENANDOAH R NR STRASBURG VA. 772 10/55- 9/56 *A D49 1/lDI 1 0 0 13 DO 772 4/60- 9/60 6 DH59 1 0 1 60 POTOMAC R AT POINT OF ROCKS MD... 9*651 10/59- 9/60 64 DH59 *I 1 1 1 60 MONOCACY R AT BRIDGEPORT MD...... 173 10/50- 6/51 30 DIHl/lDI 1 0 0 66 BIG PIPE CREEK AT BRUCEVILLE MD.. 102 3/60- 9/60 12 DH59 1 0 1 60 LINGANORE CREEK NR FREDERICK MD.. 82.3 3/60- 9/60 13 DH59 1 0 1 60 MONOCACY RIVER NR FREDERICK MD... 617 3/59- 9/60 29 DH59 1 1 1 60 Qf.tL 12/59- 9/60 12 DH59 1 0 1 60 338 3/59- 9/60 6 DH59 1 0 0 60 * See footnotes at end of Part 1. PART 1. NORTH ATLANTIC SLOPE BASINS Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended POTOMAC RIVER BASIN-CON TINUED BROAD RUN AT HWY 7 NR ASHBURN VA 10/59 7 DH59 1-2/1DI 0 0 80 SENECA CREEK AT DAWSONVILLE MD. 101 3/59- 9/60 12 DH59 1 80 WATTS BRANCH AT ROCKVILLE MD.*. 3.7 3/57- 9/60 47 DIH 1 0 1 80 DIFFICULT RUN NR GREAT FALLS VA 58 3/59- 9/60 8 DH59 1 1 1 80 POTOMAC RIVER NR WASHINGTON D C 11*560 1/60- 9/60 16 D49 1 0 1 80 LITTLE FALLS B NR BETHESDA MD*. 4.1 3/57- 9/60 45 DIH 1 0 1 80 UNNAMED TRIBUTARY AT ARDENNES ST TWINBROOK SUBDIVISION ROCKVILLE M 8/60 5 DH59 2-4/1D1 0 0 80 ROCK CR AT HWY 28 E ROCKVIULE MD. 11/59 6 DH59 2-4/1 D I 1 0 0 80 ROCK CREEK AT CONN AVE AT 11/59 9 DH59 2-4/1DI 1 0 0 80 UNNAMED TRIBUTARY ON WEXFORD 00.91 4/59 66 DIH2-4/1DI 1 1 1 80 ROCK c SHERRILL DRIVE WASH DC**. 62.2 10/59- 9/60 49 DH59 1 0 1 80 N E BRANCH ANACOSTIA RIVER AT 72.8 3/60- 9/60 16 DH59 1 1 1 80 N W BRANCH ANACOSTIA RIVER NR 21.3 4/60- 9/60 7 DH59 1 0 1 80 N W BRANCH ANACOSTIA RIVER NEAR 49.4 3/60- 9/60 14 DH59 1 0 1 80 FOURMILE RUN AT ALEXANDRIA VA.... 14.4 1/60- 9/60 4 DH59 1 0 0 80 7.11 10/59- 9/60 6 DH59 1 0 0 80 23.6 10/59- 9/60 4 DH59 1 1 1 80 147 9/60 3 DH59 1 1 1 80 MATTAWOMAN CREEK NR POMONKEY MD.. 57.7 9/60 4 DH59 1 0 0 80 RAPPAHANNOCK RIVER BASIN HAZEL RIVER AT RIX£YVILLE VA..... 286 10/51- 9/55 #A D49 1/1DI 1 0 1 7.13 RAPPAHANNOCK R AT REMINGTON VA.*. 616 4/51- 9/60 #A D49 1/1DI 1 0 1 7.79 RAPIDAN RIVER NR CULPEPER VA...*. 465 5/51- 9/56 »A D49 1/lDI 1 0 1 7.13 YORK RIVER BASIN HUDSON CR NR BOSWELLS TAVERN VA.. 4.1 9/51- 9/56 #H 1/1DI 1 0 0 7.13 RECORDS OF SEDIMENT OBSERVATIONS 21

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WACCAMAW RIVER BASIN WACCAM<\W RIVER AT FREELAND N C... 626 10/50- 9/51 36 Bl/101 0 0 10

PEE DEE RIVER BASIN REDDIES R AT NORTH WILKESBORO N C 93.9 10/54- 9/55 37 B1/1DI 0 0 8 YADKIN R AT YADKIN COLLEGE N C... 2,280 10/50- 9/51 36 B1/1DI 0 0 10 DO 2.280 1/51- 9/60 *A D49 1/101 1 0 1 79 THIRD C 7A INFLOW NR STONY PT N C 8/57- 9/60 *E DIH1/1DI 1 0 1 79 THIRD C 7A OUTFLOW NR STONY PT NC 4.84 7/57- 9/60 *C DIH1/1DI 1 0 1 79 THIRD C 21 INFLOW AT TROUTMAN N C 4/55- 6/57 *D DIH1/1DI 4 0 1 79 THIRD C 21 OUTFLOW AT TROUTMAN NC 1.62 4/55- 6/57 *C DIH1/1DI 4 0 1 5 SOUTH YADKIN R NR MOCKSVlLLE N C. 313 1/58- 9/60 *A D49 1/1DI 1 0 1 79 SOUTH YADKIN R AT COOLEEMEE N C.. 569 10/55- 9/56 14 Bl/101 0 0 9 ROCKY RIVER NEAR NORWOOD N C..... 1,370 10/55- 9/60 2Q3 Bi/inl 0 0 79 PEE DEE RIVER NR ROCKINGHAM N C.. 6.870 10/57-10/58 36 Bl/101 0 0 118 SANTEE RIVER BASIN CATAWBA RIVER AT CATAWBA N C..... 1,535 10/54- 9/55 40 B1/1DI 0 0 8 SECOND BROAD R AT CLIFFSIDE N C.. 211 10/56- 9/58 73 B1/1DI 0 0 118 BROAD R NR BOILING SPRINGS N C... 864 10/56- 9/58 72 B1/1DI 0 0 118

COOPER RIVFR BASIN TAILRACE CAN AT MONCKS CORNER S C 15,040 10/50- 4/51 *G D43 1/1DI 4 0 0 16 DO 15.040 4/52- 6/52 *G D43 1/1DI 4 0 0 16 SAVANNAH RIVER BASIN CHAuGA RIVER NEAR WESTMINSTER S C 60 4/56 8 Bl/lS 1 0 0 31 LITTLE BEAVERDAM C ON HWY 243 S C 26 1/56- 5/58 38 B1/1S 1 0 0 31 BEAVERDAM CR NR OCONEE AND 45 2/56- 5/58 36 Bl/lS 1 0 0 31 KEOWEE R ON HWY 183 NR PICKENS SC 270 2/56- 5/58 70 Bl/lS 1 0 0 31 See footnotes at end of Part 2. PART 2. SOUTH ATLANTIC AND EASTEBN GULF OF MEXICO BASINS Continued Number Particle-size Drainage Period oi Sampling analyses Source Stream and location area oi obser equipment and Units No. (sq mi) record vations method Bed Sus pended SAVANNAH RIVER BASIN-CONTINUED LITTLE RIVER NEAR NEWRY S C...... 175 2/56- 5/58 81*1 B1/1S 31 KEOWEE RIVER NEAR NEWRY S C...... 455 11/55- 5/58 37*1 B1/1S 31 TWELVEMILE C NEAR LIBERTY S C.... 106 2/56- 10/57 36*1 B1/1S 31 TWELVEMILE C ON STATE HWY 133 S C 160 10/55' 10/58 315*J B1/1S 31 SENECA RIVER NEAR CLEMSON S C.... 670 10/55- 10/58 297*J B1/1S 31 CONNEROSS C NEAR RICHLAND S C.... 75 10/55- 4/56 24 B1/1S 31 EIGHTEENMILE C NR PENDLETON S C.. 55 2/56- 10/58 55*1 B1/1S 31 TWENTYSIX MILE C NR ANDERSON S C. 50 10/55- 10/58 164*J B1/1S 31 TWENTYTHREE MILE C ON U S ROUTE 76 NR LAFRANCE S C...... 60 2/56-10/58 44*1 B1/1S 31 SENECA RIVER ON STATE HWY 24 NEAR ANDERSON S C...... 890 11/55- 10/58 51*1 B1/1S 31 DEEP CREEK NEAR ANDERSON S C..... 136 11/55- 10/57 147*1 Bl/lS 31 SENECA RIVER NEAR ANDERSON S C... 1.026 11/55- 10/58 63*1 B1/1S 31 TUGALOO RIVER NEAR HARTWELL GA... 909 10/55- 10/58 296 Bl/lS 31 SAVANNAH RIVER NEAR HARTWELL S C. 2»088 1/56- 12/58 246*J Bl/lS 31 SAVANNAH RIVER NEAR IVA S C...... 2.231 10/55- 10/58 32*1 Bl/lS 31 SAVANNAH R NR CALHOUN FALLS S C.. 2,876 12/50- 7/51 38 D43 1/1DI 31 N F BROAD R RES NR TOCCOA GA..... 1.2 11/57- 9/59 *K 1/1DI 74 BROAD RIVER NEAR BELL GA...... 1,430 12/50- 1/58 49 D43 1/1DI 31 DO 1,430 12/57- 5/59 97 1-6/1DI 74 LITTLE RIVER NR MOUNT CARMEL S C. 217 12/50- 7/51 39 D43 1/1DI 31 LITTLE RIVER NR WASHINGTON GA.... 291 12/50- 7/51 37 D43 1/1DI 31 CLARK HILL RES NR CLARK HILL S C. 6,150 10/50- 3/54 *G D43 1/1DI 31 DO 6,150 4/54- 9/60 *G Bl/1 31 BRIER C AT MILLHAVEN GA...... 646 12/57- 9/59 22 1/1DI 74 SAVANNAH RIVER NEAR CLYO GA...... 9,850 10/50- 9/60 *J D43 1-3/1DI 31 OGEECHEE RIVER BASIN ROCKY COMFORT C NR LOUISVILLE GA. 268 12/57-12/58 18 1/1DI 74 OGEECHEE R NR LOUISVILLE GA...... 500 12/57-12/58 19 1/1DI 74 OGEECHEE R NR EDEN GA...... 2,650 7/58- 4/59 26 1/1DI 74 CANOOCHEE R NR CLAXTON GA...... 555 12/57- 5/59 13 1/1DI 74 ALTAMAHA RIVER BASIN OCMULGEE R AT MACON GA...... 2,240 12/57- 1/59 15 1/1DI 74 DRY B AT DRY BRANCH GA...... 12/58 1 1/1DI 74 OCMULGEE R AT LUMBER CITY GA..... 5,180 1/58- 3/59 12 1/1DI 74 LITTLE OCMULGEE R AT TOWNS GA.... 783 2/58- 1/59 7 1/1DI 74 OCONEE R NR GREENSBORO GA...... 1,090 12/57-12/58 18 1/1DI 74 OCONEE R AT MILLEDGEVILLE GA..... 2,950 12/57- 9/58 12 1/lDI 5 0 74 LlTL COMMISSIONERS C NR GORDON GA 32 4/58- 3/59 6 1/lDI 5 oooc 0 74 COMMISSIONERS C AT TOOMSBORO GA.. 97 12/58- 5/59 2 1/lDI 0 74 LITTLE COMMISSIONERS C NR 4/58- 3/59 28 1/lDI 0 10 1/lDI 0 1/lDI 1/lDI 0 o / ca« 5 / R o 3/58- 1/59 1/lDI 1 0 SATILLA RIVER BASIN

LAKE OKEECHOBEF AND THE EVERGLADES ST LUCIE CANAL AT PORT MAYACA FLA *H 10/57- 9/60 10 P46 3/1DI 4 0 0 19 ST LUCIE CANAL NR INDIANTOWN FLA. 32.5 10/56- 8/57 4 P46 1/1M 4 0 0 19 ST LUCIE CANAL NR STUART FLA..... *H 11/53- 9/60 17 P46 2-3/1DI 4 0 0 19 SUWANNEE RIVER BASIN 11 1 547 10 1 1 OCHLOCKONFF RIVER BASIN OCHLOCKONEE R NR THOMAsvILLE GA.. 550 2/59- 4/59 4 1/lDI 5 1 0 74 APALACHICOLA RIVER BASIN 150 0 f. 1 74 CHESTATEE R NR DAHLON'GA GA...... 153 12/57- 4/59 20 1/lDI 5 0 0 74 CHATTAHOOCHEE R AT ATLANTA GA.... 1,450 11/57-12/58 16 1/lDI 5 0 0 74 CHATTAHOOCHEE R AT WEST POINT GA. 3,550 6/56- 9/6Q *G DIH1/1DI 1 0 0 22 DO 3,550 12/57- 5/59 21 1/lDI 5 0 1 74 CHATTAHOOCHEE R AT FT GAINES GA.. 7,600 3/51- 9/60 *G DIH1/1DI 1 0 0 22 CHATTAHOOCHEE R NR COLUMBIA ALA.. 8,040 8/51- 9/60 *G DIH1/1DI 1 0 1 22 CHATTAHOOCHEE R AT BAINBRIDGE GA. 7,350 3/52- 9/60 *G DIH1/1DI 1 0 1 22 17 1/lDI 5 74 25 1/lDI 5 O / C Q_ ^ / C Q 11 1/lDI 0 0 0 ICHAWAYNOCHAWAY C AT MlLFORD GA.. 620 11/58- 5/59 49 1/lDI 5 0 0 74 MOBILE RIVER BASIN 1,610 11/58- 5/59 44 1/lDI 5 0 1 74 * See footnotes at end of Part 2. PART 2. SOUTH ATLANTIC AND EASTERN GULF OF MEXICO BASINS Cont inued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended MOBILE RIVER B ASIN--CONTI NU E D 605 12/57- 5/59 70 1/101 5 1 1 74 4»040 12/57- 1/59 11 1/1DI 5 0 0 74 CHATTOOGA R AT SUMMERVlLLE GA.... 193 12/57- 1/59 17 1/101 5 0 0 74 ALABAMA R HWY 84 NR CLAIBORNE ALA 22,000 8/51- 9/60 *G OIH1/10I 1 0 1 22 TOMBIGBEF R HWY 43 NR JACKSON ALA 19,100 6/51- 9/60 *G OIH1/10I 1 0 1 22 PASCAGOULA RIVFR BASIN PASCAGOULA R AT BENNOALE MISS.... 6,650 6/59- 9/60 12 043 1/101 4 0 0 72 RECORDS OF SEDIMENT OBSERVATIONS 27

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619952 O -62 -3 PART 3. OHIO RIVER BASIN Number Par tic le-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended MONONGAHELA RIVER BASIN SALEM F SUB NO 11A VARNER HOLLOW Ol IM f MFl AUf MD CAI PU U V/A 0*29 2/55- 9/60 *E DIH1/1D! 0 1 71 SALEM F SUB NO 11A VARNER HOLLOW 0*29 10/54- 2/55 3AJO DIH1/1DI 1 0 0 71 00 0.29 2/55- 9/60 *F DIH1/1DI 1 0 1 71 SALEM FORK SUB NO 9 WEST BRANCH PATTERSON FORK NEAR SALEM W VA... 0*92 1/56 *G DIH1/1DI 1 0 1 71 8.32 10/54- 9/60 *G D49 1/1DI 1 0 1 115,71 OHIO RIVER BASIN ELK LICK WATERSHED 1 PARSONS W VA 0.116 8/51- 5/56 32 Bl/1 1 0 0 46 00 0.116 12/57-11/60 *A Bl/1 1 0 0 46 ELK LICK WATERSHED 2 PARSONS W VA 0.059 7/51- 5/56 32 Bl/1 1 0 0 46 DO 0.059 12/57-11/60 *A Bl/1 1 0 0 46 ELK LICK WATERSHED 3 PARSONS W VA 0.132 8/51- 5/56 32 Bl/1 1 0 0 46 DO 0.132 12/57-11/60 *A Bl/1 1 0 0 46 ELK LICK WATERSHED 4 PARSONS w VA 0.149 8/51- 5/56 32 Bl/1 1 0 0 46 DO 0.149 12/57-11/60 *A Bl/1 1 0 0 46 ELK LICK WATERSHED 5 PARSONS W VA 0.140 8/51- 5/56 32 Bl/1 1 0 0 46 DO 0.140 12/57-11/60 *A Bl/1 1 0 0 46 MUSKINGUM RIVER BASIN MUSKINGUM RIVER AT DRESDEN OHIO,. 5*982 10/52- 9/60 *H 049 1/1DI 1 0 1 115,71 HOCKING RIVER BASIN HOCKING R SUB NO 1 NR HOOKER OHIO 1.06 5/56- 9/60 *f 043 1/1DI 1 0 1 71 HOCKING RIVER AT ATHENS OHIO..... 944 10/56- 9/60 »H D49 1/1DI 1 0 1 71 KANAWHA RIVER BASIN S F NEW RIVER NR JEFFERSON N C... 207 6/60- 9/60 19 DH59 1/1DI 1 0 0 79 N F NEW RIVER AT CRUMPLER N C...* 277 6/60- 9/60 20 DH59 1/1DI 1 0 0 79

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SNOIIVAH3SBO SOH033H PART 3. OHIO RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended TRADEWATER RIVER BASIN TRADEWATER RIVER AT OLNEY ICY..... 255 10/52- 9/60 *H 043 1/1DI 1 0 1 115*71 CUMBERLAND RIVER BASIN CUMBERLAND R AT WILLIAMSBURG ICY.. 1*607 10/52- 9/60 *H D49/1DI 1 0 1 115*71 CANE BRANCH NR PARKERS LAKE ICY... 0.67 1/56- 9/60 *F DIH1/1DI 1 0 2 115.71 W F CANE BRANCH NR PARKERS LAKE K 0.26 7/56- 9/58 27 DIH1/1DI 0 0 71 DO 0.26 10/58- 9/59 *F DIH1/1DI 0 1 71 HELTON BRANCH AT GREENWOOD ICY.... 0.85 1/56- 9/58 *H DIH1/1DI 1 0 1 71 DO 0.85 10/58- 9/59 30 DIH1/1DI 1 0 0 71 TENNESSEE RIVER BASIN LITTLE RIVER NR CEDAR MOUNTAIN NC 33.0 2/57- 9/60 36 B1/10I 0 0 79 LITTLE RIVER NEAR PENROSE N C.... 41.4 10/53- 9/54 36 B1/1DI 0 0 6 FRENCH BROAD R AT BLANTYRE N C... 296 10/52- 9/53 46 B1/1DI 0 0 2 MILLS RIVER NEAR MILLS RIVER N C. 66.7 10/51- 9/52 36 B1/1DI 0 0 1 FRENCH BROAD RIVER NR ARDEN N C.. 662 10/53- 9/54 40 B1/1DI 0 0 6 FRENCH BROAD R AT ASHEVILLE N C.. 945 10/50- 9/51 28 B1/1DI 0 0 10 PARKER BRANCH LEICESTER N C...... 1.51 3/53- 9/60 *C AUTO 1 1 0 14 FRENCH BROAD R AT MARSHALL N C... 1»332 10/57- 9/60 72 B1/1DI 0 0 79 BIG LAUREL CR NR STACKHOUSE N C.. 126 10/51- 9/52 36 B1/1DI 0 0 1 fAMP P T l/CP MP CTHIIV M f* 157 10/51- 9/52 36 B1/1DI 0 0 1 608 10/53- 9/54 35 B1/1DI 0 0 6 WATAUGA RIVER NR SUGAR GROVE N C. 90.8 10/52- 9/53 36 B1/1DI 0 0 2 DO 90.8 6/60- 9/60 18 DH59 1/1DI 1 0 0 79 LITTLE TENN R AT PRENTISS N C.... 140 10/52- 9/53 36 B1/1DI 0 0 2 COWEETA CR NO 10 NR FRANKLIN N C. 0*33 /50- /57 *A B1/1DI 1 0 0 44 COWEETA CR NO 34 NR FRANKLIN N C. 0.12 /51- /58 *A Bl/101 1 0 0 44 COWEETA CR NO 41 NR FRANKLIN N C. 0*11 /55- /59 *A B1/1DI 1 0 0 44 TUCKASEGEE R AT BRYSON CITY N C . 655 10/50- 9/51 36 B1/1DI 0 0 10 WHITE CREEK SHARPS CHAPEL TENN. . 2.68 10/50- 9/60 *C AUTO 1 0 0 14 VALLEY RIVER AT TOMOTLA N C.... . 104 10/52- 9/53 36 B1/1DI 0 0 2 POTATO CR TRIB 1W DUCK TOWN TENN . 0.008 10/50- 1/52 *C AUTO 1 0 0 14 POTATO C TRIB IE DUCKTOWN TENN. . 0.01 10/50- 1/52 *C AUTO 1 0 0 14 L CHESTUEE CREEK WILSON STA TEN . 8.24 10/50- 6/55 *A TVA 1 0 0 14 CHESTUEE C*EEK ENGLEWOOD TENN.. . 14.8 10/50- 6/55 *A TVA *D 1 0 0 14 CHESTUEE CREEK ZION HILL TENN.. . 37.8 10/50- 6/55 *A TVA *D 1 0 0 14 MIDDLE CREEK ENGLEWOOD TENN.... . 32.7 10/50- 6/55 *A TVA *D 1 0 0 14 78.1 10/50- 7/54 *A TVA *D 1 0 0 14 CHESTUEE CREEK DENTVILLE TENN.... 114 10/50- 6/55 *A TVA *D 1 0 0 14 S CHICKAMAUGA CR CHATTANOOGA TENN 249 11/52- 9/57 *A 043 1 0 0 14 1 0 0 14 WALKER SWITCH CR BURNSVILLE MISS. 11.9 11/59- 9/60 *A 043 1 0 0 14 YELLOW CREEK BURNSVILLE MISS..... 75.5 11/59- 9/60 *A 043 1 0 0 14 CANEY CREEK GRISSOM CHAPEL MISS 14.0 11/59- 9/60 *A 043 1 0 0 14 COKE CREEK CHAPEL HILL MISS 18.7 11/59- 9/60 *A 043 1 0 0 14 LITTLE YELLOW CR BURNSVILLE MISS. 15.4 11/59- 9/60 *A 043 1 0 0 14 1C O 3/53- 9/60 *A 1 0 0 14 WOLF CREEK GRAPPER SPRINGS TENN.. 11.7 3/53- 6/55 *A 043 1 0 0 14 PINE TREE BRANCH LEXINGTON TENN.. 0.14 10/50- 9/60 *A 8 1 I 0 14 HARMON CREEK LEXINGTON TENN...... 6.87 3/53-11/53 *A 043 1 0 0 14 19.2 3/53-11/53 *A 043 1 0 0 14 00 19.2 5/57- 9/60 *A 043 1 0 0 14 HALEY CREEK CHESTERFIELD TENN.... 8.3 3/53-11/53 *A 043 1 0 0 14 BEECH RIVER CHESTERFIELD TENN.... 115 3/53- 6/54 *A 043 1 0 0 14 00 115 2/6°- 9/ftO *A 043 1 0 0 14 16.8 3/53- 9/60 *A 1 0 0 14 BROWNS CREEK CHESTERFIELD TENN... 20.2 3/53- 9/60 *A 043 1 0 0 14 13.8 3/53-11/53 *A 043 1 0 0 14 10.6 *A Hi a 1 0 0 14 GCCfU D f \/CD F\ ADDFM TFMU *. 165 7/54- 1/60 *A 043 1 0 0 14 TURKEY CREEK DECATURVILLE TENN... 8.4 3/53-11/53 »A 043 1 0 0 14 00 8.4 7/55- 9/60 *A 043 1 0 0 14 RUSHING CREEK DECATURVILLE TENN.. 17.0 3/53- 6/55 *A 043 1 0 0 14

FOOTNOTES PART 3 A WEEKLY SAMPLING R DAILY SAMPLING C CONTINUOUS SAMPLING D ALSO D43 E ONE TO THREE SAMPLES PER STORM RUNOFF f SUFFICIENT OBSERVATIONS TO DEFINE DAILY LOADS G INTERMITTENT SAMPLING H MINIMUM OF ONE SAMPLE PER DAY WITH MORE ON CHANGING STAGE I ALSO DIHJ/1D! PART 4. ST. LAWRENCE RIVER BASIN Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended STREAMS TRIBUTARY TO LAKE ERIE ST JOSEPH RIVER NR NEWVILLE INO. 614 4/52- 5/52 15 049 1-3/1DI 71 ST MARYS R NEAR FORT WAYNE IND.. 753 5/53- 9/60 »A GHl/1 57 MAUMEE RIVER AT ANTWERP OHIO.... 2.049 4/52- 5/52 14 049 1-4/1DI 71 TIFFIN RIVER AT STRYKER OHIO.... 441 4/52- 5/52 14 049 1-3/1DI 71 AUGLAIZE RIVER NR DEFIANCE OHIO. 2,329 3/52- 5/52 15 D49 1-4/1DI 71 MAUMEE RIVER AT FLORIDA OHIO.... 3/52- 5/52 14 049 1-5/1D1 71 MAUMEE RIVER AT WATERVILLE OHIO. 6,314 4/50- 9/60 »B 049 1/1DI 115*71 PORTAGE RIVER AT WOODVILLE OHIO. 433 10/50- 9/56 »B 043 1/1DI 108*71 SANDUSKY RIVER NR FREMONT OHIO.. 1,248 10/50- 9/56 *B 049 1/1DI 108*71 CUYAHOGA RIVER AT INDEPENDENCE 0 709 10/50- 9/60 *B 049 1/101 115,71 BUFFALO CREEK AT GARDENVILLE N Y 145 3/53- 3/60 193*C OIH1-6/10I 38 CAYUGA CREEK NR LANCASTER N Y... 93.3 12/53- 3/60 151*C OIH1-6/10I 38 CAZENOVlA CREEK AT EBENEZER N Y. 136 3/53- 3/60 169*C DIH1-6/10I 38

STREAMS TRIBUTARY TO NIAGARA RIVER BEAVER MEADOW BROOK NR AKRON N Y, 2.18 8/54 OIH1/20I 67

FOOTNOTES PART 4 A DAILY SAMPLING B MINIMUM OF ONE SAMPLE PER DAY WITH MORE ON CHANGIN STAGE C SAMPLING DURING FLOOD PERIODS ONLY PART 5. HUDSON BAY AND UPPER MISSISSIPPI RIVER BASINS Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended RED RIVER OF THE NORTH BASIN 17,600 8/56- 9/56 10 DIH2-5/2DI 1 0 1 73 DO 17,600 10/56- 9/57 20 DIH2-6/2DI *A 1 0 1 73 DO 17,600 10/57- 9/58 7 DIH2-5/2DI *A 1 0 1 73 DO 17,600 10/58- 9/59 13 DIH2-6/2DI *A 1 0 1 73 PAINT CREEK RIVER BASIN PAINT CREEK AT WATERVILLE IOWA... 42.8 11/52- 9/57 *C D49 1/2DI *A 1 0 1 119 WISCONSIN RIVER BASIN DELL CREEK NR LAKE DELTON WIS.... 44.9 9/57 *C DIH1/1DI *D 1 1 1 71 BLACK EARTH CR AT BLACK EARTH WIS 45.9 2/54- 9/60 *C DIH1/1DI *A 1 1 1 109,71 TURKEY RIVER BASIN 1,545 10/57- 9/6Q *C D49 1/2DI *A 1 1 1 119 MISSISSIPPI RIVER MAIN STEM MISSISSIPPI R AT EAST DUBUQUE ILL 81,600 10/50- 7/55 *B RI1/1DI 4 0 1 28 DO 81,600 7/55- 9/60 *B D49 1/1DI 4 0 1 28 (5ALENA RIVER RAStN 128 10/50- 9/60 *B D43 1/1DI 4 0 1 £. } OQ WAPSIPINICON RIVER BASIN WAPSIPINICON RIVER NR DEWITT IOWA 2,300 10/50- 9/60 *B 043 1/1DI 4 0 1 28 ROCK RIVER 8ASIN YELLOWSTONE R NR BLANCHARDVILLE V 29.1 8/54- 9/60 *C DIH1/1DI *A 1 1 1 109,71 MT VERNON CREEK NR MT VF.RNON WIS. 16.1 1/54- 9/60 *C DIH1/1DI *D 1 1 1 109,71 IOWA RIVER BASIN T AW A P T W FD KlPAP PHUI AM T HW A . 429 10/57- 9/60 *C D49 1/2DI *A 1 1 1 119 IOWA RIVER AT MARSHALLTOWN IOWA.. 1,500 10/50- 9/60 *B D43 1/1DI 4 0 1 28 2,794 5/57- 9/60 *B D49 1/1DI 40 1 2 8 3,271 10/50- 9/56 *C D49 1/2DI *A 1 0 1 109 DO 3.271 10/56- 9/57 *C D49 1/2DI 1 0 1 119 RALSTON CREEK AT IOWA CITY IOWA.. 3/01 4/52- 9/52 *C D49 1/2DI *A 1 0 1 109 DO 3.01 10/52-10/55 *C D49 -1/2DI *A 1 1 1 109 DO 3.01 1/56- 9/60 *C D49 1/2DI *A 1 0 1 11-9 CEDAR RIVER AT CEDAR RAPIDS IOWA. 6,510 10/50- 9/54 D49 1/2DI *A 1 0 1 119 MISSISSIPPI RIVER MAIN STF.M MISSISSIPPI R AT BURLINGTON IOWA. 114,000 10/50- 7/55 *B RI1/1DI 4 0 1 28 DO 114»000 7/55- 9/60 *B D49 1/1DI 4 0 1 28 MISSISSIPPI RIVER MAIN STFM MISSISSIPPI RIVER AT KEOKUK IOWA. 119,000 10/50- 4/60 *B RI1/1DI 4 0 1 28 DO 119,000 4/60- 9/60 *B D49 1/1DI 4 0 1 28 £ OES MOINES RIVER BASIN 8 DES MOINES RIVER NR BOONE IOWA 5,511 10/50- 9/60 *B D43 1/1DI 4 0 1 28 p DES MOINES R AT DES MOINES IOWA.. 6.245 11/54- 9/60 *C D49 1/2DI *A 1 0 0 119 a E F HARDIN CREEK NR CHURDAN IOWA. 24.0 7/52- 9/57 *C D49 1/2DI *A 1 0 1 109 0 RACCOON R-IVER AT VAN MErER IOWA 3.441 10/50- 9/60 *B D43 1/1DI 4 0 1 28 ^ DES MOINFS RIVER NR TRACY IOWA... 12.479 10/50- 9/60 *B D43 1/1DI 4 0 1 28 Cfl *B 28 S MISS RIVER AT HANNIBAL MO...... 137,200 10/50-9/60 Rll : 1DI 4 0 1 O THE SNY BASIN 1 t HADLEY CREEK AT KINDERHOOK ILL... 72.7 10/50- 9/60 152 D43 1/1DI 4 0 1 28 § 162 10/50- 9/60 198 D43 1/1DI 4 0 1 28 ^

FOOTNOTES PART 5 A ALSO D43 B DAILY EXCEPT WINTER MONTHS C MINIMUM OF ONE SAMPLE PER DAY WITH MORE ON CHANGING STAGE D ALSO D49 PART 6. MISSOURI RIVER BASIN Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended MISSOURI RIVER MAIN STEM 8EAVERHEAD R AT BARRATTS MONT.... 2,737 10/50- 9/51 23 D43 1/2DI 89 BIG HOLE RIVER BASIN BIG HOLE R NR MELROSE MONT. 2,476 8/56- 9/57 *A D43 1/2DI 84 BIRCH CREEK NR GLEN MONT... 36.0 9/58- 9/59 *B DIH M/DI 84 00 36.0 8/60- 9/60 *8 DIH M/DI 84 MISSOURI RIVER MAIN STEM JEFFERSON R NR TWIN BRIDGES MONT. 7t632 9/57- 9/59 *A D43 1/2DI DD 7.632 8/60- 9/60 *A D43 1/2DI MADISON RIVER BASIN MADISON R NR W YELLOWSTONE MONT.. 419 9/59 1 G1/2DI 84 SF MADISON R NR W YELLOWSTONE MON 9/59 3 DIH M/DI 84 COUGAR CR NR GRAYLING MONT..... 9/59 2 DIH1/2DI 84 DUCK CREEK NR GRAYLING MONT...... 9/59 1 DIH1/2DI 84 GRAYLING CR NR GRAYLING MONT..... 9/59 1 DIH1/2DI 84 MADISON R 8L HEBGEN LAKE MONT.... 905 9/59 1 D43 3/2DI 84 MADISON R BL EARTHQUAKE SLIDE MON 9/59 16 D43 3/3DI 84 MADISON R AT REYNOLDS PASS BRIDGE MONT...... 9/59 10 DIH3/3DI 84 MADISON R AT KIRBY RANCH MONT.... 9/59- 9/60 *C4 D43 1/2DI 84 WF MADISON R AT KIRBY RANCH MONT. 9/59 1 DIH M/DI 84 MADISON R NR CAMERON MONT...... 1.669 9/59 6 G3/4DI 84 MADISON R NR MCALLISTER MONT..... 2.186 9/59-10/59 2 G3/2DI 84 GALLATIN RIVER BASIN GALLATIN R NR GALLATIN GATE MONT. 825 8/56- 9/57 *A D43 1/2DI 84 MISSOURI RIVER MAIN STEM MISSOURI R AT TOSTON MONT...... 14,669 12/50- 9/51 *A D43 1/2DI 89

MARIAS RIVER BASIN MARIAS RIVER NR SHELBY MONT...... 2*610 10/50- 9/51 D43 1/2DI 89 DO 2.610 10/51- 4/52 D43 1/2DI 93. TETON RIVER NR DUTTON MONT..... 8/54- 9/57 043 1/2DI 84 MISSOURI RIVER MAIN STEM MISSOURI RIVER NR ZORTMAN MONT. 40.600 10/50- 9/51 *D D43 5/1DI 26 DO 40*600 7/57- 9/60 *D D43 3/1DI 1 1 1 26 MUSSELSHELL RIVFR BASIN MUSSELSHELL R AT HARLOWTON MONT.. 1»130 5/59- 9/60 1 G1/2DI 1 0 0 84 MUSSELSHELL R NR ROUNDUP MONT.... 4,320 3/39- 9/60 1 G1/2DI 1 0 0 84 MUSSELSHFLL R AT MOSBY MONT.....* 8»010 3/39- 9/60 1 G1/2DI 1 0 0 84 MISSOURI RIVER MATN STEM MISSOURI R BL FORT PECK MONT..... 37,723 10/30- 9/60 *E B1/1S 0 0 26 MILK RIVER BASIN WILLOW CREEK NR GLASGOW MONT...*. 336 10/33- 9/60 *A D43 1/2DI 1 0 1 84 MTI tf D T UPD AT MAeUllA MftUT 23,300 10/30- 9/60 *D D43 3/1DI 1 1 0 26 DO 23,300 3/39- 9/60 1 G1/2DI 1 0 0 84 MISSOURI RIVER MAIN STEM MISSOURI RIVER NR WOLF POINT MONT 83*200 10/50- 9/60 *D D43 5/1DI 1 1 1 26 POPLAR RIVFR BASIN POPLAR RIVER NR POPLAR MONT...... 3,070 5/39- 9/60 1 G1/2DI 1 0 0 84 MISSOURI RIVER MAIN STEM MISSOURI RIVER NR CULBERTSON MONT 92,500 10/30- 9/31 *D D43 3/1DI 1 0 0 26 DO 92,500 4/58- 9/60 »D P46 1/1DI 1 1 1 26 YELLOWSTONE rtlVER BASIN SWEETER ASS CR AB MELVILLE MONT... 39.6 5/59- 9/60 1 G1/2DI 1 0 0 84 3/60- 9/60 *G DIM M/DI 1 1 0 84 BLUEWATER C NR BRIDGER MONT...... 3/60- 9/60 *G DIM M/DI 1 0 1 84 YELLOWSTONE R AT BILLINGS MONT... H»870 3/31- 9/51 8 G4/2DI 1 0 0 89 233 4/51- 6/53 9 D43 4/2DI 1 0 1 97 EAST FORK WIND R NR DUBOIS WYO... 439 4/31- 7/33 *C D43 1/2DI 1 0 0 97 WAYNE CREEK *1 DUBOIS WYOMING.... 0.09 4/59- 6/59 4 Bl/lM 1 0 0 52 DO 0.09 4/60 7 B1/1M 1 0 0 52 WAYNE CREEK 02 DUBOIS WYOMING.... 0.10 5/39- 6/39 6 Bl/lM 1 0 0 32 DO 0.10 4/60- 7/60 9 Bl/lM 1 0 0 32 WAYNE CREEK *3 DUBOIS WYOMING.... 0.17 3/39- 6/59 6 Bl/lM 1 0 0 52 DO 0.17 4/60- 7/60 10 Bl/lM 1 0 0 32 2,320 10/30-12/33 *A D43 1/2DI 1 0 1 97 DO 2»320 8/34-10/36 *A D43 1/2DI 1 0 1 109 DO 2*320 10/56-10/38 *B D43 1/2DI 1 0 1 84 DO 2*320 10/39- 9/60 *B D43 1/2MDI 1 0 1 84 BEAVER CREEK NR ARAPAHOE WYO..... 410 LITTLE WIND R NR RIVER TON WYO.... 2*010 10/30-12/33 *A D43 1 1 1 97 DO 2*010 10/53-10/36 *A 1/2DI 1 0 1 109 * See footnotes at ent of Part 6. PART 6. MISSOURI RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended YELLOWSTONE RIVER BASIN-CONTINUED LITTLE WIND R HR RIVERTON WYO..,.. 2*010 10/56-10/58 *A 1/2DI 84 DO 2»OlO 10/59- 9/60 *B D43 1/2MDI 84 KIRBY DRAW NR RIVERTON WYO..*..*. 155 4/51- 9/53 3 DIH1/2DI 97 MUSKRAT C NR SHOSHONI WYO...... 760 4/50- 8/58 *A DIH M/DI 84 DO 760 10/59- 9/60 *A DIH M/DI 84 FIVEMILE CREEK NR PAVILLION WYO.. 143 10/50- 9/58 *A DIH1-3/2DI 84 OCEAN DRAIN A 0 L 0 N PAVIL WYO.. 10/50- 8/51 DIH3/2DI 89 OCEAN DRAIN NR PAVILLION WYO...*. 6/51- 8/51 DIH3/2DI 89 FIVEMILE CREEK NR RIVERTON WYO... 342 10/50- 9/58 »A DIH M/DI 84 DO 342 10/59- 9/60 »A DIH M/DI 84 SAND GULCH NR SHOSHONI WYO...... 7/51- 8/51 DIH3/2DI 89 FIVEMILE CREEK NR SHOSHONI WYO... 397 10/50- 9/60 »A DIH3/2DI 84 POISON CREEK NR SHOSHONI WYO..... 519 10/50-12/53 12 DIH1-2/2DI 97 DO 519 8/54- 9/56 12 DIH1-2/2DI 109 BADWATER C AT BONNEVILLE WYO..... 790 10/50- 9/53 *A DIH1-4/2DI 97 DO 790 8/54- 9/60 »A DIH1-4/2DI 84 MUDDY CREEK NR PAVILLION WYO..... 257 10/50-11/53 *A DIH1/2DI 97 DO 257 8/54- 9/58 *A DIH1/2DI 84 MUDDY CREEK NR SHOSHONI WYO...... 340 10/50- 9/60 *A DIH M/DI 109*84 DRY COTTONWOOD C NR BONNEVILLE WY 10/50- 9/53 *A DIH M/DI 93*97 BIGHORN R AT THERMOPOLIS WYO..... 8*080 10/50- 9/52 *A D43 1/2DI 93 DO 8*080 10/52-11/53 »B 4/2DI 97 BIGHORN R BL THERMOPOLIS WYO..... 8*080 10/51 1 DIH1/2DI 93 GOOSEBERRY C AT PULLIAM WYO...... 371 3/51- 6/53 *A DIH1/2DI 93*97 NOWATER C NR WORLAND WYO...... 6/51- 9/60 I DIH1/3DI 109*84 FIFTEEN MILE C NR WORLAND WYO.... 594 3/51- 9/60 »A DIH M/DI 109*84 SLICK CREEK NR WORLAND WYO...... 6/51- 9/60 DIH1/3DI 109*84 TENMILE CREEK NR WORLAND WYO..... 7/51- 9/60 DIH M/DI 109*84 BIGHORN R NR MANDERSON WYO...... 10/50-11/53 *A D43 1/2DI 97 DO 10/55- 9/56 *A D43 1/2DI 109 NOWOOD CREEK AT MANDERSON WYO.... 10/50 D43 3/2DI 89 ELK CREEK NR BASIN WYO...... 10/50- 9/51 DIH M/DI 89 ANTELOPE CREEK NR BASIN WYO...... 10/50- 9/51 DIH M/DI 89 SUNSHINE C NR MEETEETSE WYO...... 5/51 D43 3/2DI 89 GREYBULL RIVER AT MEETEETSE WYO.. 690 8/54- 9/56 »A D43 1/2DI 109 GREYBULL R MR BASIN WYO...... 1*130 10/50- 9/60 1 D43 3/2DI 109*84 DRY CREEK AT GREYBULL WYO...... 10/50- 3/51 »A DIH1/2DI 89 DO 4/51- 6/53 *A DIH1/2DI 97 DO 10/58- 9/60 »B DIH1/2DI 84 BIGHORN RIVER AT KANE WYO...... 15*900 10/50- 9/60 »A D43 1/2DI 109*84 RECORDS OF SEDIMENT OBSERVATIONS 39

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619952 O -6Z -4 PART 6. MISSOURI RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended BIG SIOUX RIVER BASIN BIG SlOUX RIVER AT AKRON IOwA.... 9,030 10/50- 9/51 *D 01-3/1-3VC 1 1 0 26 MISSOURI RIVER MATN STEM MISSOURI RIVER AT SIOUX CITY IOWA 314,600 9/54-12/54 *D D43 3-5/1DI 1 0 1 26 DO 314,600 4/55- 7/55 *D D43 1-10/1DI 1 1 2 26 DO 314,600 8/55- 9/60 *D P46 1-10/1-6V *M 1 2 2 26 FLOYD RIVER BASIN QO ) Oo& 3/54- 4/57 *D D43 1-3/1DI 1 1 0 26 LITTLE SIOUX RIVER BASIN MAPLE RIVER AT MAPLETON IOWA..... 669 10/50- 9/51 *D 01/1-3VC 1 1 0 26 LIT SIOUX R AT CORRECTIONVLE IOWA 2,500 5/50- 9/51 *C D49 1/2DI *K 1 0 1 109 DO 2,500 10/51- 9/52 *C 049 1/2DI *K 1 1 1 109 DO 2,500 10/52- 9/60 *c D49 1/2DI *K 1 0 1 119 LITTLE SlOUX R NR KENNEBEC IOWA.. 2,738 ' 5/50- 9/56 *c D49 1/2DI *K 1 0 1 109 DO 2.738 10/56- 9/57 *c D49 1/2DI *K 1 0 1 119 LITTLE SIOUX R NR TURIN IOWA..... 3,526 10/50- 9/51 *D 01-4/1-3VC 1 1 0 26 DO 3,526 6/56-12/57 *D D43 1-3/1DI 1 0 0 26 DO 3.526 1/58- 6/90 *D D43 1-3/1DI *P 1 0 0 26 W F DITCH AT HOLLY SPRINGS IOWA.. 399 8/57- 9/60 *D D43 1-3/1DI *P 1 0 0 26 WOLF CREEK AT HOLLY SPRINGS IOWA. 115 8/57- 9/60 *D D43 1-3/1DI *P 1 0 0 26 MONONA-HARRISON DITCH NR TURIN I. 900 10/50- 9/51 *D 01-3/1-3VC 1 2 0 26 DO 900 6/56-12/57 *D 043 1-3/101 1 0 0 26 00 900 1/58- 9/60 *D 043 1-3/101 *P 1 0 0 26 SOLDIER RIVER BASIN SOLDIER RIVER AT PIS6AH IOWA..... 407 10/50- 9/51 *D 01/1-5VC 1 1 0 26 80YER RIVER BASIN 8Z1 10/50- 9/51 #D 01-3/1-3VC 1 1 0 26 MISSOURI RIVER MAIN STEM MISSOURI RIVER AT OMAHA NEBR..... 322, 800 10/50- 3/52 *D 01-3/3-5 1 2 0 26 DO 322.800 4/52- 6/52 *D 01-3/3-5 *M 1 1 2 26 DO 322»800 7/52- 9/52 *D 01-3/3-5 *M 1 1 0 26 DO 322*800 10/52- 3/55 *D P46 1-5/1DI *M 1 2 0 26 DO 322*800 4/55- 6/55 »D P46 1-10/1-6V *M 1 1 2 26 DO 322*800 7/55- 9/60 »D P46 1-10/1-6V *M 1 2 2 26 INDIAN CREEK BASIN INDIAN CREEK AT COUNCIL BLUFFS IA 7.99 4/56- 8/56 *D B1/1-3S 1 0 0 26 DO 7.99 7/59 *D B1/1-3S 1 0 0 26 PLATTE RIVER BASIN LITTLE MEDICINE BOW R NR MEDICINE 5/58 1 DIH 1 0 1 84 ROCK CREEK AT ATLANTIC CITY WYO.. 21.3 5/57- 9/60 *A DIH M/OI 1 0 1 84 BATES CREEK NR FREELANO WYO 5/58 1 DIH 1/201 1 0 0 84 377 8/56-10/58 *A DIH M/OI 1 0 1 84 STINKING CR NR FREELAND WYO...... 5/58- 9/60 2 DIH 1/2DI 1 0 1 84 NORTH PLATTE R NR GOOSE EGG WYO.. 11.500 6/50- 9/53 *A 043 1/201 1 0 1 97 00 11*500 8/56- 9/58 *A 043 1/201 1 0 1 84 NORTH PLATTE R BL CASPER WYO..... 12.600 10/50- 9/52 *A 043 1/201 1 0 1 93 NORTH PLATTE R NR DOUGLAS WYO.... 14*300 10/50- 9/52 *A 043 1/2DI 1 0 1 93 NORTH PLATTE R AT ORIN JUNCTION W 14.800 8/59- 9/59 2 043 5/2DI 1 0 0 84 NORTH PLATTE R BL GLENDO DAM WYO. 15.400 8/59- 9/59 2 043 3/201 1 0 0 84 DO 15*400 7/60- 9/60 13 049 1 0 0 66 NORTH PLATTE R NR CASSA WYO...... 15*700 10/50- 6/52 *A 043 1/2DI 1 1 1 93 NORTH PLATTE R NR WENDOVER WYO... 7/60- 9/60 25 OIH 1 0 0 66 NORTH PLATTE R BL GUER RES WYO... 16*200 10/50- 6/53 *A 043 1/2DI 1 0 1 97 DO 16*200 8/59- 9/59 5 043 4/DI 1 0 1 84 N PLATTE R BL GUERNSEY RES WYO... 16*200 7/60- 9/60 47 049 1 0 1 66 2*100 6/59- 9/59 2 DIH M/OI 1 0 1 84 BLUEGRASS CR NR WHEATLAND WYO.... 6/59- 9/59 2 DIH 1 0 1 84 WHEATLAND CAN*1 NR WHEATLAND WYO. 6/59- 9/59 4 DIH 5/201 1 0 1 84 WHEATLAND CAN*2 NR WHEATLAND WYO. 6/59- 9/59 3 DIH 5/201 1 0 1 84 4,440 10/52- 9/57 *A DIH 1/201 1 1 1 109*84 N PLATTE R WYO-NEBRASKA ST LINE.. 22,100 7/60- 9/60 7 D49 1 0 0 66 SOUTH PLATTE R AT LITTLETON COLO. 3.090 10/50- 6/52 *D B1/1S *K 1 1 0 26 ?64 10/50-12/51 *D B1/1S 1 1 0 26 369 10/50-10/51 *D B1/1S 1 1 0 26 CLEAR CREEK NR IDAHO SPRINGS COLO 264 3/52- 9/52 *C 043 1/2 *I 1 0 1 93 DO 264 10/52- 9/53 *C 043 1/2 *I 1 0 1 97 DO 264 10/53- 9/54 *C 043 1/2 *I 1 0 1 101 DO 264 10/54- 6/55 *C 043 1/2 *I 1 0 1 105 N CLEAR CREEK NR BLACKHAWK COLO.. 55.8 3/52- 9/52 *C DIH1/2 1 0 1 93 DO 55*8 10/52- 9/53 *C DIH1/2 1 0 1 97 00 55.8 10/53- 9/54 *C DIH1/2 1 0 1 101 DO 55.8 10/54- 6/55 *C DIH1/2 1 0 1 105 600 10/50-10/51 *D B1/1S *K 1 0 0 26 SOUTH PLATTE R AT HENDERSON COLO. 4*740 10/50- 6/52 *D B1/1S *I 1 1 0 26 ST VRAIN C NR PLATTEVILLE COLO... 1*000 10/50- 7/51 *D B1/1S *I 1 1 0 26 BIG THOMPSON R AT ESTES PARK COLO 137 10/52- 5/53 6 D43 1/2 *I 1 0 1 97 DO 137 5/53- 7/53 *C D43 1/2 *I 1 0 1 97 DO 137 7/53- 9/53 9 D43 1/2 *I 1 0 1 97 DO 137 10/53- 8/54 95 043 1/2 *U 1 0 1 101 BIG THOMPSON R NR LASALLE COLO... 818 10/50-10/51 *D B1/1S *I 1 1 0 26 * See footnotes at end of Part 6. PART 6. MISSOURI RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended PLATTE RIVER BASIN-CONTINUED CACHE LA POUDRE R NR FT COLL INS C 1*048 10/50-10/51 *D 81/1S *I 1 0 0 26 CACHE LA POUDRE R NR GREELEY COLO 1,840 10/50- 6/52 *D 81/1S *I 1 1 0 26 SOUTH PLATTE R AT SU8LETTE COLO.. 12,900 10/50-10/51 *D 81/1S *I 1 1 0 26 DO 12*900 3/52- 9/52 42 DIH1/1DI *L 1 0 1 93 KIOWA CREEK NR EASTONVlLLE COLO.. 3.2 4/56- 9/56 *C DIH *0 1 0 1 73 DO 3.2 10/56- 9/57 *C DIH *0 1 0 1 73 DO 3.2 10/57- 9/58 *C DIH *0 0 1 73 DO 3.2 10/58- 9/59 *C DIH *0 0 1 73 DO 3.2 10/59 *C DIH *0 0 1 73 28.6 4/56- 9/56 *0 DIH *0 0 1 73 DO 28.6 10/56- 9/57 10 DIH *0 0 1 73 DO 28.6 10/57- 9/58 *0 DIH *0 1 1 73 DO 28.6 10/58- 9/59 *0 DIH *0 1 0 1 73 DO 28.6 10/59 *Q DIH *0 1 1 1 73 111 4/56- 9/56 *Q D49 * 1 1 1 109 DO 111 10/56- 9/57 *0 D49 * 1 1 1 73 DO 111 10/57- 9/58 *0 049 * 1 1 1 73 DO 111 10/58- 9/59 *0 D49 * 1 1 1 73 DO 111 10/59 *Q D49 * 1 1 1 73 13,200 12/52-10/53 27 DIH 1 1 1 97 1,420 10/50- 9/51 43 D43 1-3/1-2DI * 1 0 1 89 DO 1,420 10/51- 9/52 13 D43 1-5/1-2DI * 1 0 1 93 DO 1*420 10/52- 9/53 32 DIH1-4/1-2DI 1 1 1 97 DO 1,420 10/53- 9/54 *0 DIH1-3/1-2DI 1 1 1 101 DO 1,420 10/54- 9/55 *Q DIH1-4/1-2DI 1 1 1 105 DO 1»420 10/55- 7/56 20 DIH1-3/1-2DI 1 0 1 73 SOUTH PLATTE R AT FT MORGAN COLO. 14,800 10/50- 6/52 *D 81/1S *K 1 1 0 26 DO 14»800 10/52-12/52 8 DIH1/3-7V 1 0 1 97 SOUTH PLATE R AT BALZAC COLO..... 17.700 10/50-10/51 *D B1/1S *I 1 1 0 26 SOUTH PLATTE R AT JULESBURG COLO. 22,800 10/50- 6/52 *D 81/1S *I 1 1 0 26 PLUM CREEK NR SMITHFIELD NEBR.... 268 9/50- 9/51 24 D43 1-4/2DI 1 0 1 89 Dl ATTC P MD m/FPTDM MFflD 58,400 10/50- 9/51 44 D43 5-20/2DI 1 0 1 89 DO 58i400 10/51- 9/52 48 D43 5-20/2DI 1 0 1 93 DO 58,400 10/52- 9/53 39 D43 5-20/2DI 1 1 1 97 DO 58*400 10/55- 9/56 24 D43 5-20/2DI 1 1 1 109 UAAf\ D AID DTwPDrtAI C MPOD 379 10/50- 9/51 *C D43 1/2 1 0 1 89 DO 379 10/51- 1/52 »C D43 1/2 1 0 1 93 DO 379 10/55- 7/56 10 D43 1/2 1 0 1 109 MIDDLE LOUP R AT SENECA NEBR..... 1,140 10/50- 9/51 26 DIH3-5/2DI 1 0 1 89 MIDDLE LOUP R SEC A DUNNING NEBR. 1,760 10/50- 9/51 22 DIH5-7/2DI 1 1 1 89 DO 1,760 10/51- 9/52 12 DIH5-22/2DI 1 1 1 93 DO 1,760 10/52- 9/53 5 DIH12-16/2DI 1 1 1 73 DO 1,760 10/53- 9/54 4 DIH9-18/2DI 1 1 1 73 DO 1,760 10/53" 9/54 3 DIH9/4V 1 1 1 73 DO 1,760 10/54- 9/55 5 DIH12-27/2DI 1 1 1 73 MIDDLE LOUP R SEC B DUNNING NEBR. 1,760 10/50- 9/51 12 DIH6/2DI 1 1 1 89 DO 1,760 10/50- 9/51 1 DIH5/3V 1 0 1 89 DO 1,760 10/51- 1/52 1 DIH 1 1 1 93 DO 1.760 10/50- 9/51 4 DIH4-7/2DI 1 1 1 89 DO 1,760 10/51- 9/52 16 DIH4/2DI 1 1 1 93 DO 1,760 10/52- 9/53 7 DIH4-19/2DI 1 0 1 73 DO 1,760 10/52- 9/53 3 DIH5-7/4V 1 0 1 73 DO 1,760 10/53- 9/54 4 DIH5-16/2DI 1 0 1 73 DO 1.760 10/53- 9/54 3 DIH8-10/4V 1 0 1 73 DO 1,760 10/54- 9/55 1 DIH16/2DI 1 1 1 73 DO 1.760 10/54- 9/55 2 DIH4-8/4V 1 0 1 73 MIDDLE LOUP R SEC C2 DUNNING NEBR 1,760 10/50- 9/51 15 DIH6/2DI 1 1 1 89 DO 1,760 10/51- 9/52 16 DIH4-15/1-2DI 1 1 1 93 DO 1,760 10/52- 9/53 8 DIH4-30/1-2DI 1 1 1 73 DO 1.760 10/52- 9/53 3 DIH5/3V 1 0 1 73 DO 1,760 10/53 1 DIH20/1DI 1 1 1 73 DO 1,760 11/55- 3/56 4 DIH40/2DI 1 1 1 73 DO 1,760 11/55- 3/56 4 DIH5/5V 1 0 1 73 MIDDLE LOUP R SEC C DUNNING NEBR. 1.760 10/50- 3/51 5 DIH15/2DI 1 1 1 89 MIDDLE LOUP R SEC D DUNNING NEBR. 1.760 10/50- 9/51 *C DIH4/2DI 1 1 1 89 DO 1,760 10/51- 9/52 *C DIH4/2DI 1 1 1 93 DO 1»760 10/52- 9/53 30 DIH4/2DI 1 1 1 97 DO 1»760 10/53- 9/54 22 DIH4-15/2DI 1 1 1 101 DO 1»760 10/54- 9/55 18 DIH4-16/2DI 1 0 1 105 DO 1»760 10/55- 9/56 20 DIH4-16/2DI 1 0 1 109 DO 1.760 10/56- 7/57 5 DIH4-12/2DI 1 1 1 73 DO 1,760 10/59- 9/60 7 DIH4-16/2DI 1 1 1 73 MIDDLE LOUP R SEC E DUNNING NEBR. 1,760 10/50- 9/51 16 DIH5-10/2DI 1 1 1 89 DO 1,760 10/51- 9/52 12 DIH7-15/1-2DI 1 1 1 93 DO 1,760 10/52- 9/53 13 DIH5-20/1-2DI 1 1 1 73 DO 1,760 10/52- 9/53 3 DIH5/2-4V 1 0 1 73 DO 1,760 10/53- 9/54 3 DIH9/2DI 1 1 1 73 DO 1,760 10/53- 9/54 3 DIH5-9/4DI 1 0 1 73 DO 1.760 10/57- 9/55 5 DIH18-40/1-2DI 1 1 1 73 DO 1,760 10/55- 5/56 2 DIH3-52/3-8DI 1 1 1 73 £.oo O 1,760 10/50- 9/51 DIH5-10/1-2DI 1 0 1 Ono 7 DISMAL RIVER AT DUNNING NEBR..... 1.780 10/50- 9/51 30 DIH5-10/2DI 1 1 1 89 DO 1.780 10/51- 9/52 32 DIH5-10/1-2DI 1 1 1 93 DO 1.780 10/52- 7/53 22 DIH5-8/1-2DI 1 1 1 97 DO 1.780 10/55- 7/56 15 DIH7-10/2DI 1 1 1 109 DO 1.780 7/56- 9/56 2 DIH 1 1 1 109 * See footnotes at end of Part 6. PART 6. MISSOURI RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended PLATTE RIVER BASIN--CONTI NU ED DISMAL RIVER AT DUNNING NEBR.... 1.780 10/56- 7/57 5 DIH 1 1 1 73 MIDDLE LOW RIVER AT MILBURN NEBR 10/50- 9/51 26 DIH5-10/1-2DI 1 1 1 89 DO 10/51-11/51 3 DIH5-7/2DI 1 1 1 93 MIDDLE LOUP R NR MILBURN NEBR*... 11/51- 9/52 26 DIH4-10/1-2DI 1 1 1 93 DO 10/52- 9/53 25 DIH5-11/1-2DI 1 1 1 97 DO 10/52- 9/53 4 DIH3/4V 1 0 1 73 DO 10/53- 9/54 18 DIH5-10/1-2DI 1 1 1 101 DO 10/53- 9/54 4 DIH3/4V 1 0 1 73 DO 10/54- 6/55 12 DIH5-10/1-2DI 1 1 1 105 DO 10/54- 6/55 6 DIH3/4V 1 0 1 73 LILLIAN CREEK AT WALWORTH NEBR... 1/51- 9/51 17 1 0 1 89 DO 10/55- 9/56 7 1 0 1 73 MIDDLE LOUP R AT ARCADIA NEBR.... 4,470 10/50- 9/51 49 043 4-5/2DI *I 1 1 1 89 DO 4,470 10/51" 9/52 30 D43 4-5/2DI *I 1 1 1 93 DO 4,4.70 10/52- 9/53 24 D43 4-5/2DI *I 1 1 1 97 DO 4,470 10/53- 9/54 19 043 4-5/2DI *I 1 1 1 101 DO 4,470 10/54- 9/55 18 043 4-5/2DI *I 1 1 1 105 DO 4.470 10/55- 9/56 18 043 4-5/2DI *I 1 1 1 109 DO 4,470 9/56- 6/57 14 D43 4-5/2DI *I 1 1 1 73 MIDDLE LOUP R AT LOUP CITY NEBR.. 10/50- 9/51 49 DIH5-10/1-2DI 1 1 1 89 DO 10/51- 9/52 20 DIH5-7/2DI 1 1 1 93 1*340 10/50- 9/51 33 DIH5-10/1-2DI 1 0 1 89 DO 1*340 10/51-12/51 2 DIH5-10/1-2DI 1 0 1 89 SOUTH LOUP R AT ST MICHAEL NEBR.. 2*560 10/50- 9/51 *C 043 1-10/1-201*1 1 0 1 89 DO 2*560 10/51- 9/52 *C 043 1-17/1-201*1 1 1 1 93 DO 2*560 10/52- 6/53 *c D43 1-11/1-201*1 1 1 1 97 DO 2*560 7/53- 9/53 2 DIH8-9/1DI 1 1 1 97 DO 2*560 10/55- 9/56 18 DIH5-9/2DI 1 1 1 109 DO 2*560 10/56- 9/57 21 DIH4-16/2DI 1 1 1 73 DO 2*560 10/57- 9/58 23 DIH5-15/2DI 1 1 1 73 OAK CREEK NR LOUP CITY NEBR...... 41.9 4/51- 9/51 9 D43 2-3/3-4DI 1 0 1 89 DO 10/51- 9/52 3 D43 2-3/3-4DI 1 0 1 73 DO 10/52- 9/53 3 043 3/2DI 1 0 1 73 DO 10/53-11/53 3 D43 3/2DI 1 0 1 73 DO 7/55- 9/55 1 D43 3/2DI 1 0 1 73 DO 10/55- 9/56 30 D43 3/2DI 1 0 1 109 DO 10/56- 9/57 1 043 3/2DI *R 1 0 1 73 DO 10/57- 8/58 11 043 3-4/2DI *R 1 0 1 73 MIDDLE LOUP R AT ST PAUL NEBR.... 7,720 10/50- 9/51 *C D43 4/2DI 1 0 1 89 DO 7,720 10/51- 9/52 *c D43 4/2DI 1 1 1 93 DO 7,720 10/52- 6/53 *C D43 4/2DI 1 1 1 97 DO 7,720 7/53- 9/53 6 DIH4-12/1-2D1 1 1 1 97 DO 7,720 10/53- 6/54 5 DIH6-20/1-2D1 1 1 1 101 DO 7,720 7/55- 9/55 5 DIH6-9/2DI 1 1 1 105 DO 7,720 10/55- 9/56 19 D1H8-12/2DI 1 1 1 109 DO 7,720 10/56- 9/57 25 D1H5-13/2DI 1 1 1 73 DO 7,720 10/57- 9/58 21 D1H5-10/2D1 1 1 1 73 N i /\nD p AT CtDPbJCTPP MCTQP . ~ It560 10/50-11/50 4 D1H3-5/2D1 1 0 1 89 2,510 10/50- 9/51 30 D43 5-8/2D1 1 1 1 89 DO 2,510 10/51- 9/52 29 D43 5-11/2DI 1 1 1 93 DO 2»510 10/52- 9/53 27 D43 5-11/2D1 1 1 1 97 DO 2»510 10/52- 9/53 3 DIH5-6/4V 0 1 73 DO 2t510 10/53- 9/54 28 D43 7-12/1DI 1 1 1 101 DO 2.510 10/53- 9/54 4 D1H3/4-5V 0 1 73 DO 2,510 10/54- 9/55 18 D43 2-9/2DI 1 1 1 105 DO 2»5lO 10/54- 9/55 3 DIH3/4V 0 1 73 DO 2»510 10/55- 9/56 16 D43 2-12/2DI 1 1 1 109 DO 2.510 10/56- 6/57 14 D43 2-12/2DI 1 1 1 73 2O 1.210 10/50- 9/51 3O D1H3-6/2DI 1 1 1 89 DO l»2lO 10/51- 9/52 29 DIH3-6/2DI 1 1 1 93 DO 1,210 10/52- 9/53 28 DIH2-6-2/4DI 1 1 1 97 DO l»2lO 10/52- 9/53 4 DIH3-4V 1 0 1 73 DO 1»210 10/53- 9/54 20 DIH2-6/4DI 1 1 1 101 DO 1.210 10/53- 9/54 3 DIH3/4V 1 0 1 73 DO 1.210 10/54- 9/55 12 DIH2-8/2-3DI 1 0 1 105 DO l»2lO 10/54- 9/55 1 DIH3-4V 1 0 1 73 DO 1*210 10/55- 8/56 7 DIH3/4V 1 1 1 109 2,510 10/50- 9/51 12 DIH5-7/2DI *K 1 0 1 89 DO 2,510 10/51- 1/52 6 OIH5-12/2D1 *K 1 1 1 93 DO 2,510 10/52- 9/53 23 D43 7-12/2D1 *I 1 1 1 97 DO 2,510 10/52- 9/53 2 D1H5/4V 0 1 73 DO 2,510 10/53- 9/54 19 DIH5-12/2D1 *R 1 1 1 101 DO 2,510 10/53- 9/54 3 DIH2-5/4V 0 1 73 DO 2,510 10/54- 7/55 13 DIH2-12/2D1 1 1 1 105 DO 2,510 10/54-11/55 5 D43 5/4V *R 0 2 73 DAVIS CREEK NR COTESFIELD NEBR.^. 10/52- 5/53 9 D43 2-9/2DI *1 1 0 1 97 DO 10/55- 9/56 21 D43 2-8/2DI *I 1 0 1 109 DO 10/56- 6/57 13 043 2-7/2DI *1 1 0 1 73 1/51- 9/51 24 D1H5/2D1 1 0 1 89 DO 10/51-12/51 3 DIH2-10/2C1 1 0 1 93 DO 10/52- 9/53 28 DIH2-5/2D1 1 1 1 97 DO 10/53-11/53 3 DIH2-3/2D1 1 1 1 101 4,460 10/50- 9/51 *C D43 3-7/2D1 *1 1 0 1 89 DO 4,460 10/51- 9/52 *C D43 3-7/2DI *I 1 0 1 93 DO 4,460 10/52- 6/53 *c D43 3-7/2D1 *I 1 1 1 97 DO 4,460 7/53- 9/53 3 D43 2-8/2D1 *I 1 1 1 97 See footnotes at end of Part 6. PART 6. MISSOURI RIVER BASIN Continued Number Particle-size Drainage Period Of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended PLATTE RIVER B ASIN-CONT INU ED N LOUP R AT ST PAUL NEBR...... 4,460 10/53-11/53 3 D43 2-9/2DI *I 1 1 1 101 DO 4,460 7/55- 9/55 4 0.43 3-9/20 1 *I 1 0 1 105 DO 4,460 10/55- 9/56 18 D43 6-9/2DI *I 1 1 1 109 DO 4,460 10/56- 9/57 25 043 6-10/2DI *I 1 1 1 73 DO 4,460 10/57- 9/58 24 D43 6-10/2DI *I 1 1 1 73 LOUP RIVER AT FULLERTON NEBR..... 3/51- 9/51 66 DIH3-7/2DI 1 2 1 89 DO 10/51- 9/52 43 DIH4-10/2DI 1 1 1 93 DO 13/51- 9/52 1 DIH5/4V 1 0 1 73 DO 10/53- 6/53 30 DIH5-7/2DI 1 1 1 97 DO 10/53- 6/53 1 DIH6/4V 0 1 73 CEDAR RIVER NR SPALDING NEBR..... 794 9/57- 9/58 18 DIH5-12/2DI 1 1 1 73 DO 794 10/58- 9/59 17 DIH4-15/2DI 1 1 1 73 DO 794 10/58- 9/59 6 OIH3/4V 0 1 73 DO 794 10/59- 9/60 13 DIH7-29/2 1 1 1 73 DO 794 10/59- 9/60 17 DIH7-29/2 1 0 2 73 10/57- 9/58 20 D43 6-12/2DI 1 1 1 73 DO 8/59- 9/59 4 D43 6-12/2DI 1 1 1 73 DO 8/59- 9/59 8 DIH 1 0 1 73 DO 10/59- 9/60 12 043 4-12/2DI 1 1 2 73 DO 10/59- 9/60 6 DIH 1 0 1 73 CEDAR RIVER NR FULLERTON NEBR.... 1.220 8/57- 9/57 3 DIH9-10/2DI 1 1 1 73 DO 1.220 10/57- 9/58 22 DIH6-24/2DI 1 1 1 73 DO 1*220 8/59- 9/59 3 DIH6-9/2DI 1 1 1 73 DO 1.220 10/59- 9/60 23 DIH4-10/2DI 1 1 1 73 LOUP R POWER CANAL AT GENOA NEBR. 10/50- 9/51 12 043 5-7/2DI 1 1 1 89 DO 10/51- 9/52 17 043 5-10/1-2DI 1 0 1 93 DO 10/52- 7/53 9 D43 5/2DI 1 0 1 97 BEAVER CREEK NR LORETTD NEBR..... 311 10/50-11/50 *C 043 1-10/1-2DI*! 1 0 1 89 SHELL CREEK AT PLATTE CENTER NEBR 27* 3/54- 9/60 *D 043 1-5/1DI *P 1 0 0 26 ELKHORN RIVER AT EWING NEBR...... 10/50- 9/51 27 DIH5-10/1-2DI 1 0 1 89 DO 5/60- 9/60 7 DIH16/20I 1 1 1 73 ELKHORN RIVER AT NELI6H NEBR..... 2*200 10/50 3 043 5/2DI 1 0 1 89 ELKHORN RIVER AT WATERLOO NEBR... 6*900 3/51 *D 043 2-3/101 1 0 0 26 DO 6*900 3/52- 9/52 34 043 3-6/1DI 1 0 1 93 DO 6*900 10/52 3 D43 6/101 1 0 1 97 DO 6*900 6/56 1 043 7/2DI 1 1 1 73 DO 6*900 3/60- 9/60 12 043 4-30/2DI 1 1 1 73 PLATTE RIVER AT ASHLAND NEBR..... 10/50- 9/51 *D 01-3/3-5VC 1 1 0 26 DO 5/52- 6/52 *D 01-3/3-5VC 1 1 0 26 DO 3/60- 4/60 2 DIH2/2DI 1 0 1 73 RECORDS OF SEDIMENT OBSERVATIONS 51

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SAN JUAN RIVER BASIN 8 RIO BLANCO AT MOUTH NR TRUJILLO C 10/57 1 DIH1/1DI 0 1 68 0 NAVAJO RIVER NEAR CHROMO COLO.. 97.4 10/57 1 DIH1/1DI 0 1 68 g NAVAJO RIVER AT EDITH COLORADO. 172 10/57 1 DIH1/1DI 0 1 6 8 ^3 CAT CREEK AT PAGOSA JCT COLO... 10/57 1 DIH1/1DI 0 1 68 ^ SAN JUAN RIVER AT ARBOLES COLO. 10/57 1 DIH1/1DI 0 1 68 STOULSTEIMER CR NR PIEDRA COLO. 10/57 1 DIH3/1DI 0 1 68 g PIEDRA RIVER NEAR ARBOLES COLO. 10/57 1 DIH1/1DI 0 1 68 CO SAN JUAN RIVER AT ROSA N MEX... It990 9/49- 9/50 *E DIH3/1DI 1 0 1 68 g SAMBRITO CREEK AT MOUTH N MEX.. 9/59 1 DIH5/1DI 0 0 68 COYOTE CR NR SPRINGERVILLE ARIZ.. 9/57 1 DIH1/1DI 0 1 68 LITTLE COLO R AT ST JOHNS ARIZ... 9/57 1 B1/1S 0 1 68 LITTLE COLO R AT WOODRUFF ARIZ... 8*100 6/50- 6/57 *E DIH3/1DI *A 1 0 1 111.68 PUERCO RIVER NR GALLUP N HEX..... 8/57- 9/57 2 B1/1S 0 1 68 PUERCO R HWY 66 AT' GALLUP N MEX.. 558 10/57 1 DIH1/1DI 0 1 68 BLACK CR HWY 66 AT HOUCK ARIZ.... 8/57 1 DIH2/1DI 0 1 68 DEAD R HWY 66 NR HOLBROOK ARIZ... 10/57 1 B1/1S 0 1 68 BIG CARRIZO C HWY 66 E HOLBROOK A 8/57 2 B1/1S 0 1 68 RIVER DE FLAG AT FLAGSTAFF ARIZ.. 50.4 3/58 1 B2/1S 0 0 68 UNNAMED WASH NR CAMERON ARIZ..... 8/57 2 B1/1S 0 1 68 LITTLE COLO R AT CAMERON ARIZ.... 10/49- 9/57 *E DIH3/1DI *A 1 0 1 68 DO 10/57- 9/60 *E DIH3/1DI *A 1 0 1 68 FIVE MI WASH HWY 89 NR CAMERON AR 8/57 2 B1/1S 0 1 68 UNNAMED WASH HWY 89 NR CAMERON A. 8/57 1 B2/1S 0 1 68 8/57 1 B1/1S 0 1 68 MOENKOPI WASH NEAR CAMERON ARIZ.. 2*590 6/56- 9/60 *F DIH3/1DI 1 0 1 68 LITTLE COLO R NR CAMERON ARIZ.... 26.500 7/57- 9/58 *E DIH3/1DI 1 0 1 68 COLORADO RIVER MAIN STEM COLORADO R NR GRAND CANYON ARIZ.. 137*800 10/49- 9/60 *E D43 3/1DI 1 1 1 111.68 BRIGHT ANGEL CREEK BASIN BRIGHT ANGEL CR NR GR CANYON ARIZ 98.4 12/57 1 DIH6/1DI 0 0 68 VIRGIN RIVER BASIN VIRGIN RIVER AT LITTLEFIELD ARIZ. 5.090 10/50- 9/60 *C DIH3/1DI *A 1 1 1 111*82 MUDDY RIVER NEAR GLENDALE NEV.... 8.120 12/59 1 DIH3/1DI 0 0 82

COLORADO RIVER MAIN STEM COLORADO RIVER SEC 33 NEAR 7/55- 9/58 25 DX49 25/1DI 1 1 1 64 * See footnotes at end of Part 9. PART 9. COLORADO RIVER BASIN--Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended COLORADO RIVER MAIN STEM--CONTD COLO R SEC 33 NR NEEDLES CALIF... 7/60 DX49 25/1DI COLORADO RIVER NEEDLES BRIDGE AT NEEDLES CAL...... 7/55- 9/60 *G DX49 28/1DI 64 COLORADO R NR TOPOCK ARIZ...... 172.300 9/55- 9/60 *G DX49 25/1DI 64 COLORADO R SEC 43 NR TOPOCK ARJZ. 9/55- 9/60 *G DX49 25/1DI 64 BILL WILLIAMS RIVER BASIN SANTA MARIA R NR ALAMO ARIZ...... 1.520 2/60 B 68 BIG SANDY R HWY 93B WIKIEUP ARIZ. 9/57 B1/1S 68 COLORADO RIVER MAIN STEM COLORADO R WATER WHEEL BL PARKER DAM ARIZ-CALIF...... 4/58- 9/60 DX49 25/1DI COLORADO RIVER BL PALO VERDE DAM ARIZ-CALIF...... 182.200 9/55- 9/60 *G DX49 25/1DI 64 COLORADO R NEAR RIPLEY CAL..... 5/39- 9/60 *G DX49 25/1DI 64 COLORADO R BL CIBOLA VALLEY ARIZ. 183,300 11/56- 9/60 *G DX49 25/1DI 64 COLORADO R IMPERIAL DAM SLUICEWAY ARIZ-CALIF...... 184.600 6/38- 9/60 *G D43 3/1DI GILA RIVER BASIN GILA RIVER NEAR GILA N HEX...... 1*864 7/59- 9/60 *E DIH3/1DI 68 GILA R NR VIRDEfc N M ST HWY 82B.. 3,203 8/57 DIH3/1DI 68 JENKINS CREEK AT RESERVE N MEX».. 8/57 DIH2/1DI 68 LEGGETT C 28 N GLENWOOD NM HWY12B 8/57 DIH1/1DI 68 SAN FRANCISCO R ST HWY 260 NR GLENWOOD N MEX...... 1,653 8/57 DIH1/1DI 68 SAN FRANCISCO R NR GLENWOOD N MEX 1,653 8/57- 6/59 DIH2/1DI 68 BIG DRY C 12S GLENWOOD NM HWY260B 8/57 DIH1/1DI 68 PINE CIENEGA CR ST HWY 78 NR NM ARIZ LINE...... 8/57 Bl/lS 68 MULE CR 6 E NM-AR BORDER HWY 78B 8/57 B1/1S 68 UNNAMED WASH ST HWY 78 AT NM ARIZ LINE...... 8/57 Bl/lS 68 SAN FRANCISCO R AT CLIFTON ARIZ.. 2,766 9/57 DIH2/1DI 68 GOLD GULCH NEAR 80*IE ARIZ...... 104 6/57- 8/59 *E DIH2/1DI 68 SAN SIMON NR SOLOMON ARIZ...... 2,192 6/56- 9/56 *E DIH3/1DI 111 DO 2,192 7/57- 8/57 *E DIH3/1DI 68 GILA RIVER AT WINKELMAN ARIZ..... 13,268 9/57 DIH2/1DI 68 SAN PEDRO R AT PALOMINAS ARIZ.... 741 9/57 DIH1/1DI 68 SAN PEDRO R AT FAIRBANK ARJZ..... 9/57 1 DIH1/1DI 0 1 68 CIENEGA CR HWY 80 NR BENSON ARIZ. 9/57 1 B1/1S 0 1 68 SAN PEORO R 6 S WINKELMAN ARIZ... 4.480 9/57 1 B1/1S 0 1 68 18*011 1/58- 9/60 *E DIH3/1DI *A 1 1 1 68 RINCON CREEK NEAR TUCSON ARIZ.. . 44.8 12/59 1 B 1 0 68 TURKEY CREEK NR FT APACHE ARIZ. . 12.7 11/55- 6/56 *H DIH3/1DI 0 1 68 N FK WHITE R AT PO CANYON ARIZ. . 5/58- 7/58 *I DIH2/1DI 0 1 68 EF WHITE RIVER NR WHITERIVER AR Z 9/57 1 DIH2/1DI 0 1 68 ALCHESAY SPR NR WHITERIVER ARIZ . 5/58- 7/58 *I DIH3/1DI 0 1 68 ROCK CREEK NR FT APACHE ARIZ... . 20.3 11/55- 6/56 *H DIH3/1DI 0 1 68 CARRIZO CREEK NEAR SHOW LOW ARIZ. 459 9/57 1 B2/1S 0 1 68 0.5 *I B 1 0 0 53 0.5 *I B 1 0 0 53 WORKMAN C MAIN DAM GLOBE ARIZ.... 2 10/50- 9/60 *I B 1 0 0 53 SALT RIVER NR CHRYSOTILE ARIZ.... 2»849 9/57- 7/56 2 DIH1-2/1DI 0 1 68 BEAVER C WATERSHED 1 FLAGSTAFF A. 0.48 /57- 9/60 3 Bl/1 1 0 0 49 DO WATERSHED 2...... 0.36 /57- 9/60 2 Bl/1 1 0 0 49 0.55 /57- 9/60 Bl/1 *J 1 0 0 49 DO WATERSHED 4...... 0.47 /57- 9/60 12 Bl/1 *J 1 0 0 49 0.23 Bl/1 1 0 0 49 0.34 /58- 9/60 5 D 1 / 1 1 0 0 49 DO WATERSHED 7...... 3.20 /57- 9/60 23 Bl/1 1 0 0 49 no uATPOcum ta /57- 9/60 45 Bl/1 1 0 0 49 nn uATPDeum Q _ 1.87 /57- 9/60 29 Bl/1 1 0 0 49 /57- 9/60 18 1 0 0 49 DO WATERSHED 11..... 0.23 /58- 9/60 16 B101 1 0 0 49 DO WATERSHED 12..... 1.56 /58- 9/60 21 Bl/1 *J 1 0 0 49 DO WATERSHED 13..... 2 1/60 10 Bl/1 1 0 0 49 DO WATERSHED 14..... 2 1/60 9 Bl/1 1 0 0 49 VERDE RIVER 1 MI S CAMP VERDE ARI 9/57 1 DIH1/1DI 0 1 68 VERDE R 2 MI N FORT MCDOWELL ARIZ 9/57 1 DIH1/1DI 0 1 68 AQUA FRIA MINGUS A PRESCOTT ARIZ. 0.17 7/59- 9/60 AUTO 1 0 0 53 f\A 0^ _ 0.10 AUTO 1 0 0 53 r\f\ f 0.10 AUTO 1 0 0 53 HASSAYAMPA WHITESPAR A PRESCOTT A 0.5 7/59- 9/60 AUTO 1 0 0 53 0.5 7/59- 9/60 AUTO 1 0 0 53 BURRO CR N CONGRESS ARIZ HWY 93B. 9/57 1 B1/1S 0 1 68 COLORADO RIVER MAIN STEM 242,900 5/09- 9/60 D43 16/101 1 1 1 64 DIVERSIONS AND RETURN FLOWS AT AND BELOW IMPERIAL DAM GILA GRAVITY MAIN CANAL AT 9/52- 9/60 *G D43 6/1DI 1 0 0 64 * See footnotes at end of Part 9. PART 9. COLORADO RIVER BASIN Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended BELOW IMPERIAL DAM-CONTINUED ALL-AMERICAN CANAL INTAKE 1/58- 9/60 I DX49 9/1DI 1 0 0 61 DESILTING WORKS SLUDGE PIPES 11/45- 9/60 «G *L ALL-AMERICAN CANAL NEAR IMPERIAL 1 0 0 64,61 3/39- 9/60 «G DX49 1 0 0 61 RESERVATION CANAL NEAR YUMA ARIZ 6/52- 2/60 «G D43 3/1DI 1 0 0 64 TITSINK LATERAL NR YUMA ARIZ.... 6/52- 2/60 «G D43 3/1DI 1 0 0 64 YAOUI LATERAL NEAR YUMA ARIZ.... 6/52- 2/60 «G D43 3/1DI 1 0 0 64 PONTIAC LATERAL NR YUMA ARIZ.... 6/52- 2/60 *G D43 3/1DI 1 0 0 64 WALAPAI TURNOUT NR YUMA ARIZ.... 6/56- 2/60 «G D43 3/1DI 1 0 0 64 YUMA MAIN CANAL AT SIPHON-DROP 8/41- 9/60 *G 043 6/1DI 1 0 0 64 YUMA MAIN CANAL BELOW COLORADO 1/43- 9/60 «G 043 6/1DI 1 0 0 64 ALL-AMERICAN CANAL ABOVE PILOT- 7/47- 9/60 *G DX49 1 0 0 61 PILOT KNOB POWERPLANT AND WASTEWAY NEAR PILOT KNOB CALIF... 1/57- 9/60 «M DX49 1 0 0 61 ALL-AMERICAN CANAL STA 2973 CALIF 4/48- 9/60 »G DX49 1 0 0 61 ALL-AMERICAN CANAL STA3258 CALIF. 2/56- 9/60 «G 0X49 1 0 0 61 COACHELLA CANAL STA 10 CALIF..... 4/45- 9/56 «G DX49 1 0 0 61 DO 1/58- 9/60 «G DX49 1 0 0 61 COACHELLA CANAL STA 2619 CALIF... 1/58- 9/60 «G DX49 1 0 0 61 EAST HIGHLINE CANAL AT 2/46- 9/60 *G DX49 1 0 0 61 CENTRAL MAIN CANAL AT 2/46- 9/60 «G DX49 1 0 0 61 WEST SIDE MAIN CANAL AT 2/46- 9/60 «G DX49 1 0 0 61 FOOTNOTES PART 9 G TWICE MONTHLY SAMPLING A ALSO 043 ON HIGH WATER STAGE H MONTHLY SAMPLING B HOURLY SAMPLING DURING PEAK SNOWMELT TWICE DAILY ON CHANGING STAGE I WEEKLY SAMPLING c DAILY SAMPLING J ALSO AUTOMATIC SAMPLER D ALSO DIH ON LOW WATER STAGE K 2 OR ? SAMPLES PER WEEK E MINIMUM OF ONE SAMPLE PFR DAY WITH MORE ON CHANGING STAGE L VACUUM SUCTION SAMPLER F INTERMITTENT SAMPLING M WEEKLY DURING POWER PLANT OPERATION RECORDS OF SEDIMENT OBSERVATIONS 89

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FOOTNOTES PART 11 A ALSO D49 8 ALSO D43 C INCLUDES SAMPLES BY EQUAL TRANSIT RATE METHOD D DAILY SAMPLING LESS FREQUENT DURING PERIODS OF LOW FLOW 6 ALSO DIH F PERIODIC SAMPLING WITH ONE OR MORE SAMPLES ON CHANGING STAGE G DAILY SAMPLING H MINIMUM OF ONE SAMPLE PER DAY WITH MORE ON CHANGING STAGE I MONTHLY SAMPLING J 77 SAMPLES TAKEN ON INTERMITTENT TRIBUTARIES PART 12. PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLORADO RIVER BASIN Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended OUWAMISH RIVER BASIN GREEN RIVER NR PALMER WASH. 230 10/50- 2/51 *A DH48 1-3/1DI 32 DO 230 10/50- 9/57 *B D43 111,78 KOOTENAI RIVER BASIN KOOTENAI RIVER ATNEWGATEB C.. 7.660 4/51 D43 5/1DI 32 DO 7,660 10/50- 4/51 DH48 1-5/1DI 32 KOOTENAI RIVER AT LEONIA IDAHO. 11«740 4/51 D43 3/1DI 32 DO 11,740 10/50- 4/51 DH48 1-5/1DI 32 PEND OREILLE RIVER BASIN FLINT CR NR DRUMMOND MONT...... 490 5/50 1 DIH1/1DI 63 BLACKFOOT R NR OVANDO MONT...... 1»274 5/50 1 DIH1/1DI 63 BLACKFOOT R NEAR PO TO WAC MONT.... 2t046 5/56- 6/56 8 B1/1S 63 DO 2,046 8/56- 7/57 23 D49 1-6/1DI 63 LIT BLACKFOOT R NR GARRISON MONT. 5/50 1 DIH1/1DI 63 CLARK FORK R BETWEEN GARRISON & DEER LODGE MONT...... 5/50 1 DIH1/1DI 63 RYE CREEK NEAR CONNER MONT...... 5/50 1 DIH1/1DI 63 EF 8ITTERROOT R AT CONNER MONT... 405 5/50 1 DIH1/1DI 63 LOLO CREEK NEAR LOLO MONT...... 231 5/50 1 DIH1/1DI 63 CLARK FORK AT PLAINS MONTANA..... 19,900 4/51 1 D43 5/1DI 32 DO 19,900 10/50- 4/51 DH48 1-5/1DI 32 COLUMBIA RIVER MAIN STEM COLUMBIA R AT BRIDGEPORT WN...... 6/55 DIH1/1DI 63 COLUMBIA R NEAR BRIDGEPORT WN.... 5/58 63 OKANOGAN RIVER BASIN OKANOCAN R NEAR MONSE WASH...... 11/54- 6/55 DIH1/1DI 63 DO 5/58- 6/58 63 COLUMBIA RIVER MAIN STEM COLUMBIA R NEAR BREWSTER WN...... 11/54 DIH1/1DI 63 DO 5/58- 6/58 63 EAST LOW CANAL & MAIN CANAL NEAR STRATFORD WASHINGTON...... 3/60- 5/60 17 60 FOOTNOTES pART 12 A GENERALLY EvERY OTHER DAYi AT FLOOD STAGES EVERY DAY B DAILY SAMPLING 96 INVENTORY OF PUBLISHED AND UNPUBLISHED SEDIMENT-LOAD DATA

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FOCTNOTES PART 13 A ALSO DIH PART 14. PACIFIC SLOPE BASINS IN OREGON AND LOWER COLORADO RIVER BASIN Number Particle-size Drainage Period of Sampling analyses Source Stream and location area Of obser equipment and Units No. (sq mi) record vations method Bed Sus pended COLUMBIA RIVER MAIN STEM COLUMBIA RIVER AT PASCO WASH..... 102*600 6/50- 7/52 47 P46 4/4V 1 0 1 35 WALLA WALLA RIVER BASIN WALLA WALLA R NR MILTON OREGON... 155 10/50- 7/51 40 DIH1/1DI 1 0 0 63 EF TOUCHET R NR DAYTON WASH...... 102 10/50- 7/51 41 DIH1/1DI 1 0 0 63 TOUCHET R NR TOUCHET WASH...... 736 10/50- 7/51 50 DIH1/1DI 1 0 0 63 00 736 1/51- 5/53 79 D43 I/ IB 1 0 1 35 WALLA WALLA R NR TOUCHET WASH.... 1.660 1/51- 5/53 89 D43 1/1V 1 0 1 35 JOHN DAY RIVER BASIN JOHN DAY R AB JOHN DAY OREGON.... 5/50 1 DIH1/1DI 1 0 0 63 JOHN DAY R NR DAYVILLE OREGON.... 5/50 1 DIH1/1DI 1 0 0 63 DESCHUTES RIVER BASIN CROOKED RIVER NEAR POST OREGON... 2»160 7/59- 9/60 314 D49 1 0 1 78 CROOKED R NR PRINEVILLE OREGON... 2»760 4/58- 5/58 5 1 0 0 63 DO 2»760 4/58- 7/59 251 D49 1 1 1 78 COLUMBIA RIVER MAIN STEM COLUMBIA R NR HOOD RIVER OREGON.. 238»700 7/59- 8/60 21 P46 5/3V 1 0 1 27 HOOD RIVER BASIN MIDDLE FORK CANAL NR PARKDALE ORE 6/58- 9/58 99 DIM 1 0 1 57 DO 6/59- 8/59 35 DIM 1 0 1 57 SANDY RIVER BASIN S F BULL RUN R NO 1 NR BULL RUN 0 0.2 10/57- 9/60 *A Bl/1 1 0 0 47 SF BULL RUN R NO 2 NR BULL RUN 0* 0.2 10/57- 9/60 *A Bl/1 1 0 0 47 SF BULL RUN R NO 3 NR BULL RUN 0. 0.2 10/57- 9/60 *A Bl/1 1 0 0 47 COLUMBIA RIVER MAIN STEM COLUMBIA R AT VANCOUVER WASH..... 242»000 4/51- 6/51 11 D43 5/1S 1 0 1 27 DO 242»000 6/59- 6/60 6 P46 5/3V 1 0 1 27 WILLAMETTE RIVER BASIN I MF WILLAMETTE R AT LOWELL OREGON. 994 10/50- 6/51 28 D43 3/1DI *B 1 0 0 27 COAST FORK WILLAMETTE R AT LONDON 69 5/50 1 1 0 0 63 DO 69 10/50- 6/51 26 D43 3/1DI 1 0 0 27 COAST FORK WILLAMETTE R BL 104 10/50- 6/51 27 D43 3/lDI 1 0 0 27 211 10/50- 6/51 25 D43 3/lDI 1 0 0 27 ROW R MR COTTAGE GROVE OREGON.... 266 10/50- 6/51 25 D43 3/lDI 1 0 0 27 WILLAMETTE R AT SPRINGFIELD OREG. 2.030 10/50- 6/51 28 D43 3/lDI 1 0 0 27 LOOKOUT NO 1 NR BLUE RIVER OREGON 0.3 10/56- 9/60 »C Bl/1 1 0 0 47 LOOKOUT C NO 2 NR BLUE RIVER OREG 0.3 10/56- 9/60 »C Bl/1 1 0 0 47 LOOKOUT C NO 3 NR BLUE RIVER OREG 0.3 10/56- 9/60 »C Bl/1 1 0 0 47 1 '100337 10/50- 6/51 26 D43 3/lDI 1 0 0 27 10/50- 6/51 29 D43 3/lDI 1 0 0 27 COYOTE CREEK NR VENETA OREGON.. . 100 10/50- 6/51 29 D43 3/lDI 1 0 0 27 LONG TOM R NR SMITHFIELD OREGON . 252 10/50- 6/51 30 D43 3/lDI 1 0 0 27 159 10/50- 6/51 31 D43 3/lDI 1 0 0 27 CALAPOOYA R AT ALBANY OREGON... . 372 10/50- 6/51 32 D43 3/lDI 1 0 0 27 N SANTIAM R AT MEHAMA OREGON... . 665 10/50- 6/51 29 D43 3/lDI 1 0 0 27 s SANTIAM R AT WATERLOO OREGON. . 640 10/50- 6/51 25 D43 3/lDI 1 0 1 27 SANTIAM R AT JEFFERSON OREGON.. . 1.790 10/50- 6/51 32 D43 3/lDI 1 0 1 27 LUCKIAMUTE R NR SUVER OREGON... . 240 10/50- 6/51 30 D43 3/lDI 1 0 0 27 WILLAMETTE R AT SALEM OREGON... . 7.280 10/50- 6/51 30 D43 3/lDI 1 0 1 27 s YAMHILL R NR WHITESON OREGON. . 502 10/50- 6/51 31 043 3/lDI 1 0 0 27 WILLAMETTE R AT NEWBERG OREGON. . 8.300 7/59- 8/60 25 P46 3/3V 1 0 1 27 323 10/50- 6/51 £Oo a D43 3/lDI 1 0 1 27 479 10/50- 6/51 29 D43 3/lDI 1 0 0 27 TUALATIN R AT FARMINGTON OREGON.. 568 10/50- 6/51 31 D43 3/lDI 1 0 1 27 ALSEA RIVER BASIN NEEDLE BRANCH NEAR SALADO OREGON. 0*32 11/58- 9/60 391 DIM 1 0 0 78 FLYNN CREEK NEAR SALADO OREGON... 0.84 11/58- 9/60 342 DIM 1 0 0 78 DEER CREEK NEAR SALADO OREGON.... 1.20 11/58- 9/60 401 DIM 1 0 0 78 UMPQUA RIVER BASIN SOUTH UMPQUA R AT TILLER OREGON.. 449 2/56- 8/60 100 1/1V 0 0 4 COW CREEK NEAR AZALEA OREGON..... 78 2/56- 7/60 99 D49 1/1DI 0 0 63 456 2/56- 8/60 105 1/1V 0 0 4 OLALLA CREEK NEAR TENMILE OREGON. 60.5 10/56- 7/60 88 D49 1/1DI 0 0 63 LOOKINGGLASS C AT BROCKWAY OREGON 158 2/56- 7/60 86 1/lV 0 0 4 S UMPQUA R NEAR BROCKWAY OREGON.. 1,670 2/56- 7/60 100 D49 2/1DI 0 0 63 STEAMBOAT CREEK NR GLIDE OREGON.. 227 3/56- 9/60 99 1/lV 1 0 0 4 N UMPQUA R AT WINCHESTER OREGON.. 1,344 2/56- 7/60 101 049 2/1DI 1 0 0 63 CALAPOOYA CREEK NR OAKLAND OREGON 210 2/56- 9/60 119 1/lV 1 0 0 4 104 2/56- 7/60 100 D49 1/1DI 1 0 0 63 UMATILLA RIVER NR UMATILLA OREGON 2.290 3/51- 5/51 16»D DIH 1 0 0 58 DO 2.290 10/51- 4/52 72»D OIH 1 0 0 58 UMATILLA R AT UMATILLA OREGON.... 637 2/51- 5/53 36 D43 I/ IV 0 1 35 See footnotes at end of Part 14. 100 INVENTORY OF PUBLISHED AND UNPUBLISHED SEDIMENT-LOAD DATA

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INDIAN CREEK BASIN INDIAN CREEK HOLLIS ALASKA...... 11/57- 2/58 Bl/1 DO 6/58- 9/58 Bl/1

HARRIS RIVER BASIN HARRIS RIVER HOLLIS ALASKA...... 7/57 Bl/1 DO 11/57- 2/58 Bl/1 00 6/58- 9/58 Bl/1

MAYBFSO CRFEK BASIN MAYBESO CREEK HOLLIS ALASKA...... 1/58 Bl/1 76 DO 5/58- 9/58 Bl/1 76 OLD TOM CRFEK BASIN OLD TOM CREEK KASAAN ALASKA...... 7/58- 8/58 Bl/1 76

SPEEL RIVER BASIN SPEEL RIVER JUNEAU ALASKA...... 9/60 DIH4/1DI RT FK SPEEL RIVER JUNEAU ALASKA., 9/60 DIH2/1DI SPEEL RIVER JUNEAU ALASKA...... 5/60- 9/60 D49 1/2DI

CHILKAT RIVER BASIN KLEHINI RIVER KLUKWAN ALASKA..... 7/60 DIH3/1DI 76 CHILKAT RIVER KLUKWAN ALASKA..... 5/60- 9/60 D49 1/2DI 76

RESURRECTION RIVER BASIN RESURRECTION RIVER SEWARD ALASKA, 7/59 D49 3/2DI

COPPER RIVER BASIN CHISTOCHINA R CHISTOCHINA ALASKA, 7/53 1 D49 3/2DI 76 GAKONA RIVER GAKONA ALASKA...... 620 5/53- 1/54 16 D49 3/2DI 113 DO 62° 4/54- 1/55 12 D49 3/2DI 113 DO 620 4/55- 9/55 6 D49 3/2DI 113 DO 620 5/56- 8/56 5 D49 3/2DI 113 DO 620 5/57-11/57 6 D49 V2DI 116 DO 620 5/58- 9/58 6 D49 3/2DI 116 * See footnotes at end of Alaska. ALASKA Continued Number Particle-size Drainage Period of Sampling analyses Source Stream and location area of obser equipment and Units No. (sq mi) record vations method Bed Sus pended COPPER RIVER BASIN- -CONTINUED GULKANA RIVER GULKANA ALASKA..... 1.980 5/59- 9/59 5 D49 3/2DI 1 0 1 76 DO 1.980 12/59 1 DIH1/2DI 0 0 76 DO 1.980 4/60- 8/60 2 D49 3/2DI 1 0 0 76 TAZLINA RIVER GLENNALLEN ALASKA.. 2*670 5/53- 1/54 14 D49 3/2DI *B 1 0 0 113 DO 2.670 4/54-11/54 7 D49 3/2DI *B 1 0 1 113 DO 2»670 8/55 1 D49 3/2DI 1 0 1 113 DO 2.670 5/56- 8/56 5 D49 3/2DI 1 0 1 113 DO 2.670 5/57-11/57 5 D49 3/2DI *B 1 0 1 116 DO 2*670 5/58- 9/58 6 D49 3/2DI 1 0 1 116 DO 2.670 5/59- 9/59 5 D49 3/2DI 1 0 1 76 DO 2»670 4/60- 8/60 4 D49 3/2DI 1 0 0 76 KLUTINA RIVER COPPER CTR ALASKA.. 880 5/53- 1/54 13 D49 3/2DI *B 1 0 0 113 DO 880 5/54- 9/54 5 D49 3/2DI 1 0 1 113 DO 880 5/56- 8/56 3 D49 3/2DI 1 0 0 113 DO 880 5/57 1 D49 3/2DI 1 0 0 114 DO 880 9/57-11/57 3 D49 3/2DI *B 1 0 1 116 DO 880 5/58- 9/58 6 D49 3/2DI 1 0 1 116 TONSINA RIVER TONSINA ALASKA..... 420 5/53- 1/54 11 D49 3/2DI *B 1 0 0 113 DO 420 5/54- 9/54 5 D49 3/2DI 1 0 1 113 DO 420 5/56- 8/56 5 D49 3/2DI 1 0 0 113 DO 420 5/57-11/57 5 D49 3/2DI *B 1 0 1 116 DO 420 5/58- 9/58 6 D49 3/2DI 1 0 1 116 DO 420 5/59-11/59 7 D49 3/2DI *B 1 0 1 76 DO 420 4/60- 8/60 4 D49 3/2DI 1 0 0 76 20.600 1/54- 2/54 2 DIH1-6/1DI 1 0 0 113 DO 20.600 5/54- 9/54 27 D49 3/2DI 1 0 1 113 DO 20.600 5/55- 9/55 8 D49 3/2DI 1 0 1 113 DO 20.600 5/56- 9/56 13 D49 3/2DI 1 0 1 113 DO 20.600 6/57- 9/57 *A D49 3/2DI 1 0 1 114 6/53 2 D49 3/2DI 0 0 76 LOWE RIVER BASIN 236 5/53- 8/53 8 D49 3/2DI 1 0 1 76 ANCHOR RIVER BASIN ANCHOR RIVER ANCHOR PT ALASKA.... 226 7/53- 9/53 25 D49 1/2DI 1 0 1 112 DEEP CREEK BASIN 208 7/59- 9/59 3 D49 3/2DI 1 0 0 76 DO 208 2/60 1 DIH1/2DI 0 0 76 RECORDS OF SEDIMENT OBSERVATIONS 103

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FOOTNOTES ALASKA A DAILY SAMPLING B ALSO DIH DURING MONTHS OF ICE COVER C ALSO P46 D MINIMUM OF ONE SAMPLE PER DAY WITH MORE ON CHANGING STAGE E WEEKLY SAMPLING F MONTHLY SAMPLING 106 INVENTORY OF PUBLISHED AND UNPUBLISHED SEDIMENT-LOAD DATA

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INDEX

Page Accotink Creek, Va...... 20 Beave Creek, Wyo...... 37,41,81 Alabama River, Ala...... 26 Beave Kill, N. Y. 16 Alameda Creek, Calif...... 91 Beave Meadow Brook, N. Y. 32 Alamosa River, N. Mex...... 75 Beave dam Creek, S. C..... 23 Alapaha River, Ga...... 25 Beave head River, Mont 36 Albuquerque Main Canal, N. Mex.... 73 Beech River, Tenn. 31 Albuquerque Main Canal Wasteway, Belen High Line Canal, N. Mex... 74 N. Mex...... 73 Belle Fourche River, S. Dak..... 41 Alchesay Spring, Ariz...... 87 Belle Fourche River, Wyo...... 41 Alkali Creek, Wyo...... 39 Berea Creek, Miss...... 31 Ail-American Canal, Ariz-Calif.... 88 Berwick Bay, La...... 67 Altamaha River, Ga...... 25 Big Blue River, Kans. 57 American River, Calif...... 92 Big Blue River, Nebr...... 56, 57 Anchor River, Alaska...... 103 Big Butte Creek, Oreg...... 101 Angelica Creek, N. Y...... 32 Big Carrizo Creek, Ariz...... 85 Angelina River, Tex...... 68 Big Creek, Ga...... 25 Angostura Diversion Dam, N. Mex... 73 Big Creek, Kans...... 55 Animas River, Colo...... 84 Big Creek, Tenn...... 31 Animas River, N. Mex...... 84 Big Cypress Creek, Tex...... 67 Antelope Creek, Utah...... 82 Big Dry Creek, N. Mex...... 86 Antelope Creek, Wyo...... 38 Big Grizzly Creek, Calif...... 92 Antietam Creek, Md...... 19 Big Hill Creek, Kans...... 63 Antietam Creek, Pa...... 19 Big Hole River, Mont...... 36 Antis Run, Pa...... 18 Big Laurel Creek, N. C...... 30 Apishapa River, Colo...... 61 Big Pipe Creek, Md...... 19 Agua Fria, Ariz...... 87 Big River, Mo...... 60 Arenal M. Canal, N. Mex...... 74 Big Sandy Creek, Wyo...... 81 Arikaree River, Nebr...... 52 Big Sandy River, Ariz...... 86 Arkansas River, Ark...... 64, 65 Big Sioux River, Iowa...... 44 Arkansas River, Colo...... 61 Big Thompson River, Colo...... 45 Arkansas River, Okla...... 62,63,64 Big Timber Creek, Kans...... 55 Ashley Creek, Utah...... 82 Big Walnut Creek, Ohio...... 29 Atchafalaya River, La...... 67 Bighorn River, Mont...... 39 Atrisco Feed Canal, N. Mex...... 73 Bighorn River, Wyo...... 38 Auglaize River, Ohio...... 32 Bijou Creek, Colo...... 46 Ausable River, N. Y...... 33 Birch Creek, Idaho...... 96 Birch Creek, Mont...... 36 B Bird Creek, Okla...... 63 Bitter Creek, Wyo...... 39, 81 Bad River, S. Dak...... 41 Bixler Run, Pa...... 18 Badwater Creek, Wyo...... 38 Black Bear Creek, Okla...... 62 Baldwin Creek, N. J...... 16 Black Creek, Ariz...... 85 Barren River, Ky...... 29 Black Creek, N. Y...... 32, 33 Bates Creek, Wyo...... 45 Black Earth Creek, Wise...... 34 Battle Creek, Calif...... 91 Black Mesa No. 4, Colo...... 79 Bay Creek, 111...... 35 Black Mesa No. 6, Colo...... 79 Bayou Bodcau, Ark...... 67 Black River, Ark...... 60, 61 Bayou Bodcau, La...... 67 Black River, Mo...... 60 Bayou Cocodrie, La...... 67 Black River, N. C...... 23 Bayou La Fourche, La...... 67 Black Vermillion River, Kans..... 57 Bayou Meto, Ark...... 65 Blackfoot River, Mont...... 95 Bea Creek, Ga...... 25 Blacks Fork, Wyo...... 81 Bean Creek, Calif...... 90 Blue River, Okla...... 66 Bear Creek, Calif...... 92 Bluegrass Creek, Wyo...... 45 Bear Creek, Colo...... 45, 61 Bluewater Creek, Mont...... 37 Bear Creek, Nebr...... 43 Boggy Bayou, La...... 67 Bear River, Idaho...... 89 Boulder Creek, Utah...... 83 Bear River, Utah...... 89 Bourbeuse River, Mo...... 60 Beaver Creek, Colo...... 61, 80 Bow Creek, Kans...... 56 Beaver Creek, Kans...... 54 Box Creek, Wyo...... 41 Beaver Creek, Nebr...... 50, 54 Boyer River, Iowa...... 44 Beaver Creek, Okla...... 66 Brandywine Creek, Del...... 17 Beaver Creek, Pa...... 19 Brays Bayou, Tex...... 69 Beaver Creek, Watershed 1, Ariz... 87 Brazos River, Tex...... 69, 70 Beaver Creek, Watershed 2, Ariz... 87 Brier Creek, Ga...... 24 Beaver Creek, Watershed 3, Ariz... 87 Bright Angel Creek, Ariz...... 85 Beaver Creek, Watershed 4, Ariz... 87 Broad River, Ga...... 24 Beaver Creek, Watershed 5, Ariz... 87 Broad River, N. C...... 23 Beaver Creek, Watershed 6, Ariz... 87 Broad Run, Va...... 20 Beaver Creek, Watershed 7, Ariz... 87 Brodhead Creek, Pa...... 16 Beaver Creek, Watershed 8, Ariz... 87 Brownell Creek, Subwatershed 1, Beaver Creek, Watershed 9, Ariz... 87 Nebr...... 51 Beaver Creek, Watershed 10, Ariz.. 87 Brownell Creek, Subwatershed 1A, Beaver Creek, Watershed 11, Ariz.. 87 Nebr...... 51 Beaver Creek, Watershed 12, Ariz.. 87 Browns Creek, Tenn...... 31 Beaver Creek, Watershed 13, Ariz.. 87 Bruneau River, Idaho...... 96 Beaver Creek, Watershed 14, Brush Creek, Utah...... 82 Ariz...... 87 Brushy Creek, Nebr...... 52 109 110 INDEX

Page Page Bryant Creek, Mo...... 60 Cimarron River, Okla...... 63 Buffalo Bayou, Tex...... 69 Cimarron Creek, Colo...... 79 Buffalo Creek, N. Y...... 32 Clark Creek, Kans...... 56 Buffalo River, Ark...... 60 Clark Fork, Mont...... 95 Bull Run, Va...... 20 Clark Hill Reservoir, S. C...... 24 Bullit Run, Pa...... 18 Clear Boggy, Okla...... 66 Bully Creek, Ore...... 97 Clear Creek, Calif...... 91 Burro Creek, Ariz...... 87 Clear Creek, Colo...... 45 Bush Kill, Pa...... 16 Clear Creek, Wyo...... 39 Butcher Creek, Mont...... 37 Clear Fork Brazos, Tex...... 69 Butternut Creek, N. Y...... 17, 33 Clear Fork Trinity River, Tex... 68 Clover Fork, Ky...... 29 Coachella Canal, Calif...... 88 Coast Fork Willamette River, Ore 98, 99 Cacapon River, W. Va...... 19 Cochiti E M Canal, N. Mex...... 73 Cache Creek, Calif...... 92 Cockleburr Creek, Colo...... 61 Cache Creek, Okla...... 66 Cohocton River, N. Y...... 18 Cache La Poudre River, Colo...... 46 Coke Creek, Miss...... 31 Caddo River, Ark...... 67 Coldwater Creek, Okla...... 64 Calamus River, Nebr...... 49 Colorado River, Ariz...... 85, 87 Calapooya Creek, Oreg...... 99 Colorado River, Ariz-Calif...... 86 Callicoon Creek, N. Y...... 16 Colorado River, Calif...... 85 Canadian River, Okla...... 64 Colorado River, Colo...... 78,79,80 Canadian River, Tex...... 64 Colorado River, Tex...... 70, 71 Canaseraga Creek, N. Y...... 32 Colorado River, Utah...... 80, 83 Cane Branch, Ky...... 30 Colorado River Water Wheel, Cane Creek, Tenn...... 31 Ariz-Calif...... 86 Cane River, N. C...... 30 Columbia River, Oreg...... 98 Caneada Creek, N. Y...... 32 Columbia River, Wash...... 95, 98 Caney Creek, Miss...... 31 Commissioners Creek, Ga...... 25 Caney Creek, Okla...... 63 Conestoga Creek, Pa...... 19 Caney River, Kans...... 63 Connecticut River, Conn...... 14 Canisteo River, N. Y...... 17 Connerly Bay, Ark...... 67 Cannonball River, N. Dak...... 40 Conneross Creek, S. C...... 24 Canoochee River, Ga...... 24 Conococheague Creek, Md...... 19 Canyon Largo, N. Mex...... 84 Conveyance Channel, N. Mex...... 75 Cape Fear River, N. C...... 23 Coosa River, Ga...... 26 Caribou Creek, Alaska...... 103 Copper River, Alaska...... 102 Carr Fork, Ky...... 29 Cordorus Creek, Pa...... 19 Carrizo Creek, Ariz...... 87 Corey Creek, Pa...... 17 Cartecay River, Ga...... 25 Cosumnes River, Calif...... 91 Castle Creek, Calif...... 92 Cottonwood Creek, Calif...... 91 Cat Creek, Colo...... 83 Cottonwood Creek, Utah...... 81,82,83 Catawba River, N. C...... 23 Cottonwood Creek, Wyo...... 81 Catskill Creek, N. Y...... 15 Cottonwood River, Kans...... 63 Cayuga Creek, N. Y...... 32 Cougar Creek, Mont...... 36 Cazenovia Creek, N. Y...... 32 Cow Creek, Kans...... 62 Cedar Creek, Kans...... 55,57,63 Cow Creek, Oreg...... 99 Cedar Creek, Mo...... 59 Coweeta Creek, N. C...... 30 Cedar Draw, Idaho...... 96 Coyote Creek, Ariz...... 85 Cedar Pond Branch, N. Y...... 15 Coyote Creek, Oreg...... 99 Cedar River, Iowa...... 35 Cranberry Lake Outlet and Cedar River, Nebr...... 50 Tributary, N. Y...... 16 Cedro Creek, N. Mex...... 74 Crazy Woman Creek, Wyo...... 39 Central Main Canal, Calif...... 88 Crooked River, Oreg...... 98 Chaco River, N. Mex...... 84 Crosswicks Creek, N. J...... 17 Challis Creek, Idaho...... 97 Cryder Creek, N. Y...... 32 Chamberlin Creek, Alaska...... 105 Crystal River, Colo...... 78, 79 Chandler Creek, Colo...... 61 Cub River, Idaho...... 89 Chapman Creek, Kans...... 56 Culebra Creek, Colo...... 73 Chariton River, Iowa...... 58 Cumberland River, Ky...... 30 Charlotte Creek, N. Y...... 17 Currant Creek, Colo...... 79 Chattahoochee River, Ala...... 25 Currant Creek, Utah...... 82 Chattahoochee River, Ga...... 25 Currecanti Creek, Colo...... 79 Chattooga River, Ga...... 26 Current River, Mo...... 60, 61 Chauga River, S. C...... 23 Cuyahoga River, Ohio...... 32 Chemung River, N. Y...... 18 Cuyama River, Calif...... 90 Chena River, Alaska...... 105 Cypress Bayou, La...... 67 Chenango River, N. Y...... 17 Cypress Creek, Tex...... 67 Cherry Creek, Colo...... 45 Chestatee River, Ga...... 25 Chestuee Creek, Tenn...... 30 Cheyenne River, S. Dak...... 41 Dallas Creek, Colo. 80 Cheyenne River, Wyo...... 41 Dan River, N. C.... 22 Chico Arroyo, N. Mex...... 74 Dan River, Va...... 22 Chicorica Creek, N. Mex...... 63 Davids Creek, Iowa. 51 Chikaskia River, Kans...... 62 Davis Creek, Nebr.. 49 Chilkat River, Alaska...... 101 Dead River, Ariz... 85 Chilligan River, Alaska...... 104 Deep Creek, Alaska. 103 Chinle Creek, Ariz-Utah...... 85 Deep Creek, S. C... 24 Chisholm Creek, Kans...... 62 Deep Fork, Okla.... 64 Chistochina River, Alaska...... 101 Deep River, N. C... 23 Chittenango Creek, N. Y...... 33 Deer Creek, Kans... 51 Cienega Creek, Ariz...... 87 Deer Creek, Oreg... 99 INDEX 111 Page Deer River, N. Y...... Explanation of table and defini Delaware River, Kans...... 58 tion of terms...... 2-13 Delaware River, N. J...... 16, 17 Delaware River, N. Y...... 16 Dell Creek, Wise...... 34 Delta Mendota Canal, Calif..... 91 Fall River, Kans...... 63 Denton Creek, Tex...... 68 Falls Creek, Colo...... 84 Des Moines River, Iowa...... 35 Farmington River, Conn..... 14 Desilting Works Sludge pipes, Feather River, Calif...... 92 Ariz-Calif...... 88 Fifteen Mile Creek, Wyo.... 38 Diamond Fork, Utah...... 89 Five Mile Wash, Ariz...... 85 Difficult Run, Va...... 20 Fivemile Creek, Wyo...... 38 Dirty Devil River, Utah...... 83 Flat Creek, Tenn...... 31 Disappointment Creek, Colo..... 80 Flint Creek, Mont...... 95 Dismal River, Nebr...... 47, 48 Flint River, Ga...... 25 Ditch Bayou, Ark...... 67 Florida River, Colo...... 84 Dolores River, Colo...... 80 Floyd River, Iowa...... 44 Dolores River, Utah...... 80 Flynn Creek, Oreg...... 99 Doodletown Brook, N. Y...... 15 Fontenelle Creek, Wyo...... 81 Double C Reservoir No. 5, Okla. 63 Fortification Creek, Colo.. 82 Double Mountain Fork Brazos Fountain Creek, Colo...... 61 River, Tex...... 69 Fourche La Fave River, Ark. 65 Drainage area...... 2-3 Fourmile Run, Va...... 20 Drehersville, Pa...... 17 Fortymile River, Alaska.... 104 Dry Brook, Ga...... 24 Fox Creek, Nebr...... 52 Dry Cottonwood Creek, Wyo...... 38 Fremont River, Utah...... 83 Dry Creek, Idaho...... 97 French Broad River, N. C... 30 Dry Creek, Nebr...... 53 Frio River, Tex...... 72 Dry Creek, Wyo...... 38 Duchesne River, Utah...... 82 Duck Creek, Mont...... 36 Dutch Creek, Ark...... 65 Gabilan Creek, Calif...... 90 Dyke, N. Y...... 32 Gaines Creek, Okla...... 64 Gakona River, Alaska...... 101 Galena River, Wise...... 34 Galisteo Creek, N. Mex...... 73 Eagle Creek, Kans...... Gallatin River, Mont...... 36 Eagle River, Colo...... Gasconade River, Mo...... 59 East Branch Bixler Run, Pa...... Genegantslet Creek, N. Y...... 17 East Branch Delaware River, N. Y Genesee River, N. Y...... 32 East Branch Elk Run, Pa...... Gila Gravity Canal, Ariz-Calif. 87 East Branch Hackensack River,N.Y Gila River, Ariz...... 86, 87 East Branch Oswegatchie, N. Y... Gila River, N. Mex...... 86 East Cache Creek, Okla...... Glowegee Creek, N. Y...... 15 East Fork Big Creek, Colo...... Gold Gulch, Ariz...... 86 East Fork Big Creek, Mo...... Goose Creek, Va...... 19 East Fork Bitterroot River, Mont Gooseberry Creek, Wyo...... 38 East Fork Carson River, Nev..... Grand River, Mo...... 58 East Fork Hardin Creek, Iowa.... Grand River, S. Dak...... 40 East Fork of Smith Fork, Wyo.... Grass River, N. Y...... 33 East Fork Russian River, Calif.. Grasshopper Creek, Kans...... 57 East Fork San Jacinto River, Tex Grayling Creek, Mont...... 36 East Fork Touchet River, Wash... Great Brook, N. Y...... 17 East Fork Trinity River, Tex.... Great Chazy River, N. Y...... 33 East Fork White River, Ariz..... Green River, Ky...... 29 East Fork, Wyo...... Green River, Utah...... 81, 82 East Fork Wind River, Wyo...... Green River, Wash...... 95 East Highline Canal, Calif...... Green River, Wyo...... 81 East Low Canal and Main Canal, Greybull River, Wyo...... 38 Wash...... Guadalupe River, Calif...... 91 East Rifle Creek, Colo...... Guadalupe River, Tex...... 71 East Salt Creek, Colo...... Gulkana River, Alaska...... 102 Eel River, Calif...... Gunnison River, Colo...... 79, 80 Eighteenmile Creek, S. C...... El Pijo Creek, Calif...... H Eleven Point River, Ark...... Hackensack River, N. Y...... 15 Eleven Point River, Mo...... Hadley Creek, 111...... 35 Elk Creek, Kans...... Haley Creek, Tenn...... 31 Elk Creek, Okla...... Halfmoon Creek, Colo...... 61 Elk Creek, Oreg...... Hamilton Creek, Idaho...... 97 Elk Creek, Wyo...... Hams Fork, Wyo...... 81 Elm Fork Trinity River, Tex..... Hardscrabble Creek, Colo..... 61 Elk Lick watershed, W. Va...... Harlan Irrigation Ditch, Wyo. 39 Elk River, Kans...... Harmon Creek, Tenn...... 31 Elk Run, Pa...... Harris River, Alaska...... 101 Elkhorn River, Nebr...... Hassayampa Whitespar, Ariz... 87 Embudo Arroyo, N. Mex...... Hat Creek, S. Dak...... 41 Embudo Creek, N. Mex...... Haw River, N. C...... 22, 23 Escalante River, Utah...... Hazel River, Va...... 20 Escondido Reservoir No. 1, Tex.. Healy River, Alaska...... 105 Etowah River, Ga...... Heart River, N. Dak...... 40 112 INDEX Page Page 70 41 Henrys Fork, Utah...... 45 High Prarrie Creek, Calif...... 94 Last Chance Creek, Calif ...... 92 00 71 QQ 29 Holmes Run , Va ...... 20 Leggett Creek, N. Mex...... 86 Holt Hollow, Pa...... 18 16 Hominy Creek, Okla...... 63 70 Honeoye Creek, N. Y...... 32 28 16 18 58 29 70 Lillian Creek, Nebr...... 48 14 33 14 19 20 62 Hudson River, N. Y...... 15 23 Huerfano River, Colo...... 61 Little Blackfoot River, Mont..., 95 89 Little Blue River, Nebr...... 57 18 30 Little Colorado River, Ariz. .... 85 I Little Commissioners Creek, Ga. . 25 Little Falls Branch, Md...... 20 25 Little Hoosick, N. Y...... 15 Illinois Bayou, Ark...... 64 18 Illinois River, Okla...... 45 101 Little Miami River, Ohio...... 29 Indian Creek, Calif...... 92 Little Missouri River, Mont..... 39 Indian Creek, Iowa...... 44 Little Missouri River, N. Dak... 39, 40 81 24 59 Iowa River, Iowa...... 34, 35 Little Red River, Ark...... 61 79 24, 25 Isleta Es Canal, N. Hex...... 74 Little River, Okla...... 64 22, 30 J Little River, S. C...... 23, 24 33 J Bar U Ditch, Wyo...... 39 Little Schuylkill River, Pa..... 17 44 81, 82 103 65 19 Jefferson River, Mont...... Little Tallahatchie, Miss...... 65 73 30 86 Little Weiser River, Idaho...... 97 98 Little Wind River, Wyo...... 37, 38 105 Little Wood River, Idaho...... 96 96 Little Yellow Creek, Miss...... 31 84 71 18 1 95 43 99 e'7 eo 99 Kasilof River, Alaska...... 103 99 83 103 83 50 50 Kern River, Calif...... 91 103 Keshegua Creek, N. Y...... 32 Lower Chestuee Creek, Tenn...... 30 43 18 18 Kings River, Calif...... 91 99 46 56 Kirby Draw, Wyo...... 38 93, 94 Klehini River, Alaska...... 101 11 Klutina River, Alaska...... 102 Knife River, N. Dak...... 39, 40 McElmo Creek, Colo-Utah...... 85 Knight Creek, N. Y...... 32 McKenzie River, Oreg...... Knik River, Alaska...... 103 McKinley River, Alaska...... 95 104 95 Macon Lake, Ark...... 84 Mad River, Calif...... 93 Madison River , Mont ...... L Mahwah River, N. Y...... 16 84 84 Mann Creek, Idaho...... Maple River, Iowa...... Marais Des Cygner, Kans...... 59 Marias River, Mont...... Lake Tioratti Branch. N. Y...... 15 Marmaton River, Kans...... 59 INDEX 113

Page Page Marsh Creek, N. Y...... 32 Neosho River , Kans ...... 63 Marsh Creek, Pa...;.,... 18 Neshaminy Creek, Pa...... 17 Marys River, Oreg...... 99 Neuse River, N. C...... 22 Massie Creek, Ohio...... 29 Nevers ink River, N. Y...... 16 Matanuska River, Alaska. 103 New Creek, W. Va...... 19 Mattawoman Creek, Md,... 20 New Fork River, Wyo...... 81 Maumee River, Ohio...... 32 New Hope River, N. C...... 23 Maybeso Creek, Alaska. 101 Newtown Creek, N. Y...... 18 Medicine Creek, Nebr...... 5Z.53.54 Ninnescah River, Kans...... 62 Medicine Lodge Creek, Idaho..... 96 Niobrara River, Nebr...... 42, 43 Medicine Lodge River, Kans...... 62 Nishnabotna River, Iowa...... 51 Meramec River, Mo...... 60 Nittany Creek, Pa...... 18 Miami River, Ohio...... 29 Nolichucky River, N. C...... 30 Middle Creek, Tenn...... 30 Nolin River, Ky...... 29 Middle Fork American River,Calif 92 North Bald Eagle Creek, Pa...... 18 Middle Fork Big Creek, Colo..... 79 North Bosque River, Tex...... 69 Middle Fork Canal, Oreg...... 98 North Branch Bixler Run, Pa...... 18 Middle Fork Eel River, Calif.... 93 North Branch Black Vermillion Middle Fork Feather River, Calif 92 River, Kans...... 57 Middle Fork Little Red River,Ark 61 North Branch Corey Creek, Pa..... 17 Middle Fork Powder River, Wyo... 39 North Branch Great Chazy River, Middle Fork Willamette River, N. Y...... 33 Oreg...... 98 North Branch Potomac River, Md. . . 19 Middle Loup River, Nebr...... 46,47,48 North Canadian River, Okla...... 64 Middle River, Va...... 19 North Clear Creek, Colo...... 45 Milk River, Mont...... 37 North Concho River, Tex...... 70 Mill Creek, Kans...... 57 North Fork Broad River Res., Ga.. 24 Mill Creek, Utah...... 81 North Fork Cache Creek, Calif.... 92 Mills River, N. C...... 30 North Fork Crazy Woman Creek, Wyo 39 Minisceongo Creek, N. Y...... 15 North Fork Grand River, N. Dak... 40 Mink Creek, Idaho...... 89 North Fork Grand River, S. Dak... 40 Minnie Maud Creek, Utah...... 82 North Fork Kentucky River, Ky.... 29 Mission Creek, Calif...... 90 North Fork Little Miami, Ohio.... 29 Mississippi River, 111...... 34 North Fork Malheur River, Oreg. . . 97 Mississippi River, Iowa...... 35 North Fork Massie Creek, Ohio. ... 29 Mississippi River, La...... 67 North Fork Matilija Creek, Calif. 90 Mississippi River, Mo...... 35,60 North Fork New River, N. C...... 28 Missouri River, Iowa...... 44 North Fork Ninnescah River, Kans. 62 Missouri River, Mo...... 52,58,59 North Fork of South Branch River, Missouri River, Mont...... 36, 37 W. Va...... 19 Missouri River, Nebr...... 44, 51 North Fork Powder River, Wyo..... 39 Missouri River, N. Dak...... 39,40,43 North Fork Red River, Okla...... 66 Missouri River, S. Dak...... 40,41,42 North Fork River, Mo...... 60 Mitehe11 Creek, Nebr. 53 North Fork Shenandoah River, Va. . 19 Moenkopi Wash, Aria...... 85 North Fork Solomon River, Kans... 56 Mohawk River, N. Y...... 15 North Fork White River, Ariz. . . . . 87 Mokelumne River, Calif...... 91 North Fork White River, Colo..... 82 Mola1la River, Oreg...... 99 North Fork Workman Creek, Ariz... 87 Mongaup River, N. Y...... 16 North Loup River, Nebr...... 49, 50 Monocacy River, Md...... 19 North Platte River, Wyo...... 45 Monona-Harrison Ditch, Iowa..... 44 North Platte River, Wyo-Nebr. . . . . 45 Monroe Creek, Idaho...... 97 North River, Va...... 19 Moose Creek, Alaska...... 103 North Santiam River, Oreg...... 99 Mora River, N. Mex...... 63 North Umpqua River, Oreg...... 99 Moreau River, S. Dak...... 41 Northeast Branch Anacostia, Md... 20 Mount Vernon Creek, Wise...... 34 Northeast Cape Fear River, N. C. . 23 Muddy Boggy, Okla...... 66 Northwest Branch Anacostia, Md. . . 20 Muddy Creek, Colo...... 79 Nowater Creek, Wyo...... 38 Muddy Creek, Utah...... 83 Nowood Creek, Wyo...... 38 Muddy Creek, Wyo...... 38 Nueces River, Tex...... 72 Muddy River, Nev...... 85 Number of observations...... Mulberry Creek, Tex...... 66 Mulberry River, Ark...... 64 Mule Creek, Iowa...... 51 Mule Creek, N. Mex-Ariz...... 86 Oak Creek, Colo...... 61 Musconetcong River, N. J...... 16 Oak Creek, Nebr...... 48 Muskingum River, Ohio...... 28 Oaks Creek, N. Y...... 17 Muskrat Creek, Wyo...... 38 Oatka Creek, N. Y...... 32 Musselshell River, Mont...... 37 Ocean Drain, Wyo...... 38 Ochlockonee River, Ga...... 25 N Ocmulgee River, Ga...... 24 Oconee River, Ga...... 24, 25 Nacimiento River, Calif.... 90 Ogeechee River, Ga...... 24 Nagishlamina River, Alaska. 104 Ogotoruk River, Alaska...... 105 Napa River, Calif...... 93 Ohoopee River, Ga...... 25 Natchaug River, Conn...... 14 Oil Creek, Colo...... 61 Naugatuck River, Conn...... 14 Okanogan River, Wash...... 95 Nauraushaun Branch, N. Y... 15 Olalla Creek, Oreg...... 99 Navajo River, Colo...... 83 Old Tom Creek, Alaska...... 101 Navasota River, Tex...... 70 One hundred ten mile Creek, Kans. 59 Neches River, Tex...... 68 Onion Creek, Calif...... 92 Needle Branch, Oreg...... 99 Onondaga Creek, N. Y...... 33 Nemaha River, Nebr...... 51 Oompaul Creek, Idaho...... 97 Nenana River, Alaska...... 105 Oostanaula River, Ga...... 25 114 INI)EX Page Page 19 Quittapahilla Creek, Pa...... 19 59 33 R Otego Creek, N. Y...... 17 17 29 63 35 17 96 17 35 96 15 20 P 20 33 34 Rays town Branch Juniata River, Pa 18 29 Records of sediment observations 14-107 69 39 64 80 78 66 55 67 85 Red River, N. Mex...... 73 30 Red River, Okla...... 66 6 66 15 Red Willow Creek, Nebr...... 52 26 Reddles River, N. C...... 23 15 Redwood Creek, Calif ...... 93 19 23 28 54, 55 62 52, 54 97 88 75, 76 Resurrection Creek, Alaska...... 103 71 101 23 Revuelto Creek, N. Mex...... 64 3 Rifle Creek, Colo...... 78 17 Right Fork Speel River, Alaska.. 101 65 87 82 Rio Blanco, Colo...... 83 74 Rio Canas Tributaries, P. R..... 106 83 Rio Chama, N. Mex...... 73 Pigeon Roost Creek Watershed, 106 65 107 Pilot Knob Powerplant and 106 88 Rio De La Plata, P. R...... 106 69 Rio Fajardo, P. R...... 106 16 Rio Grande, N. Mex...... ,73 ,74,75 Pine Cienega Creek, N. Mex-Ariz. 86 Rio Grande Conveyance Channel, 18 N. Mex...... 75 31 107 31 Rio Grande De Arecibo, P. R. . . . . 106 39 Rio Grande De Loiza, P. R...... 106 Piney Fork Strawberry River, Ark 61 106 91 Rio Grande Floodway, N. Mex..... 75 103 107 79 Rio Guana jibo, P. R...... 107 76 106 ,50,51 106 64 Rio Hondo, N. Mex...... 73, 76 29 Rio Humacao, P. R...... 106 46, 48 106 29 76 38 Rio Puerco, N. Mex...... 74 63 Rio Salado, N. Mex...... 75 59 75 15 Rio Tallaboa, P. R...... 107 42 106 63 Rio Toro Negro, P. R...... 106 88 75 37 85 32 78 30 22 19 22 29 78 20 105 59 87 39 96 39 Rock Creek, Md...... 20 39 66 54 Rock Creek, Wash., D. C...... 20 66 45 82 24 99 23 85 100 62 18 39 Q 29 99 14 28 14 Run Outflow, W. Va...... 28 INDEX 115

Page Page Rush Creek, Okla.... 66 Sheep Creek, Utah...... 81 Rushing Creek, Term. 31 Shell Creek, Nebr...... 50 Rye Creek, Mont..... 95 Shepaug River, Conn...... 14 Shetucket River, Conn...... 14 Shoshone River, Wyo...... 39 Showers Creek, Calif...... 93 Sabetha Reservoir, Kans...... 51 Sili M, Canal, N. Mex...... 73 Sabine Lake, Tex...... 68 Silver Lake Outlet, N. Y...... 32 Sabine River, La...... 68 Six Mile Creek No. 6, Ark...... 64 Sabine River, Tex...... 68 Skaneateles Creek, N. Y...... 32 Sac River, Mo...... 59 Slater Fork, Colo...... 81 Sacramento River, Calif...... 91, 92 Slick Creek, Wyo...... 38 Saddle River, N. Y...... 16 Smith Fork, Colo...... 79 Sage Creek, Wyo...... 39 Smith River, Calif...... 94 Saint Charles River, Colo...... 61 Smoky Hill River, Kans...... 55, 56 Saint Joseph River, Ind...... 32 Snake River, Idaho...... 96 Saint Lucie Canal, Fla...... 25 Snake River, Nebr...... 43 Saint Marys River, Ind...... 32 Snake River, Oreg...... 97 Saint Regis River, N. Y...... 33 Snake River, Wash...... 97 Saint Vrain Creek, Colo...... 45 Snow River, Alaska...... 103 Salcha River, Alaska...... 105 Soap Creek, Colo...... 79 Salinas River, Calif...... 90 Socorro Main Canal North, N.Mex.. 75 Saline River, Kans...... 55, 56 Soldier Creek, Kans...... 57 Salem Fork subwatershed, W. Va. 28 Soldier River, Iowa...... 44 Salem Fork, W. Va...... 28 Solomon River, Kans...... 56 Salmon Brook, Conn...... 14 Sonoma Creek, Calif...... 93 Salmon Falls Creek, Nev...... 96 Sources of data...... 6-13 Salmon River, Calif...... 93 Souris River, N. Dak...... 34 Salmon River, N. Y...... 33 South Branch Corey Creek, Pa...., 17 Salsipuedes Creek, Calif...... 90 South Branch Elk Run, Pa...... 17 Salt Creek, Kans...... 55, 58 South Branch Potomac River,W.Va.. 19 Salt Creek, Nebr...... 51 South Branch Raritan River, N.J.. 16 Salt Creek, Wyo...... 39 South Canadian River, N. Mex..... 64 Salt Fork Arkansas River, Okla. 62 South Chickamauga Creek, Tenn.... 30 Salt Fork Brazos River, Tex.... 69 South Fork American River, Calif .' 92 Salt Fork Red River, Okla...... 66 South Fork Bull Run Rivef, Oreg.. 98 Salt River, Ariz...... 87 South Fork Eel River, Calif...... 93 Salt River, Ky...... 29 South Fork Fortymile River,Alaska 104 Sambrito Creek, N. Mex...... 83 South Fork Grand River, S. Dak... 40 Sampling equipment...... 3 South Fork Little Red River, Ark. 61 San Antonio River, Calif...... 90 South Fork Madison River, Mont... 36 San Antonio River, Tex...... 72 South Fork Massie Creek, Ohio.... 29 San Francisco River, N. Mex.... 86 South Fork New River, N. C...... 28 San Gabriel River, Tex...... 70 South Fork Ninnescah River, Kans. 62 San Joaquin River, Calif...... 91 South Fork of Solomon River, Kans 56 San Jose River N. Mex...... 75 South Fork of South Branch San Juan Canal N. Mex. 74 Potomac River, W. Va...... 19 San Juan River Colo... 83 South Fork Payette River, Idaho.. 97 San Juan River N. Mex. 83, 84 South Fork Powder River, Wyo..... 39 San Juan River Utah... 85 South Fork Shenandoah River, Va.. 19 San Miguel River, Colo... 80 South Fork Shoshone River, Wyo... 38 San Pedro River, Ariz.... 86, 87 South Fork Trinity River, Calif.. 94 San Rafael River, Utah... 83 South Fork White River, Colo..... 82 San Ramon Creek, Calif... 91 South Fork White River, S. Dak... 42 San Simon, Ariz...... 86 South Fork Workman Creek, Ariz... 87 Sand Creek, Okla...... 63 South Francisquito Creek, Calif.. 90 Sand Gulch, Wyo...... 38 South Grand River, Mo...... 59 Sandusky River, Ohio..... 32 South Loup River, Nebr...... 48 Santa Anna Creek, N. Mex. 74 South Platte River, Colo...... 45, 46 Santa Anna Waste, N. Mex. 74 South Santiam River, Oreg...... 99 Santa Cruz River, N. Mex. 73 South Umpqua River, Oreg...... 99 Santa Fe River, N. Mex... 73 South Yadkin River, N. C...... 23 Santa Maria River, Ariz.. 86 South Yamhill River, Oreg...... 99 Santiam River, Oreg...... 99 Sparkill Creek, N. Y...... 15 Sappa Creek, Kans...... 54 Speel River, Alaska...... 101 Sappa Creek, Nebr...... 54 Spring Creek, Colo...... 83 Saranac River, N. Y...... 33 Spring Creek, Pa...... 19 Satilla River, Ga...... 25 Spring Valley Creek, Idaho...... 97 Savannah River, Ga...... 24 Spruce Run, N. J...... 16 Savannah River, S. C..... 24 Steamboat Creek, Oreg...... 99 Savery Creek, Wyo...... 81, 82 Still River, Conn...... 14 Scantic River, Conn...... 14 Stinking Creek, Wyo...... 45 Schoharie Creek, N. Y.... 15 Stollsteimer Creek, Colo...... 83 Schuylkill River, Pa..... 17 Stony Brook, N. J...... 16 Scioto River, Ohio...... 29 Stony Creek, Calif...... 92 Scott River, Calif...... 93 Stranger Creek, Kans...... 58 Second Broad River, N. C. 23 Strawberry River, Ark...... 61 Seneca Creek, Md...... 20 Strawberry River, Utah...... 82 Seneca River, N. Y...... 32 Sulphur River, Tex...... 66 Seneca River, S. C...... 24 Sunshine Creek, Wyo...... 38 Sespe Creek, Calif...... 90 Surface Creek, Colo...... 80 Sespie Creek, Calif...... 90 Susitna River, Alaska...... 104 Shara Ditch, Wyo...... 39 Susquehanna River, N. Y...... 17 Shasta River, Calif...... 93 Susquehanna River, Pa...... 18 116 INDEX

Page Page Swatara Creek, Pa...... 18, 19 Verde River, Ariz...... 87 Sweet Grass Creek, Mont...... 37 Verdigris River, Kans.. 63 Switzler Creek, Kans...... 58 Verdigris River, Okla.. 63 Vermejo River, N. Mex.. 63 Vermillion Creek, Colo. 81 Vermillion Creek, Kans. 57 Tailhold Creek, Idaho...... 97 Virgin River, Ariz..... 85 Tailrace Canal, S. C...... 23 Tanana River, Alaska...... 104, 105 Tappan Wash, Arils...... 85 Tazlina River, Alaska...... 102 Waccamaw River, N. C...... 23 Tar River, N. C...... 22 Wakarusa River, Kans...... 58 Teakettle, Calif...... 91 Walapai Turnout, Ariz...... 88 Tenmile Creek, Wyo...... 38 Walker Creek, Kans...... 55 Tenmile River, Conn...... 14 Walker Switch Creek, Miss...... 31 Teton River, Idaho...... 96 Walla Walla River, Oreg...... 98 Teton River, Mont...... 36 Walla Walla River, Wash...... 98 Third Creek inflow and outflow, Walnut Creek, Calif...... 91 N. C...... 23 Walnut Creek, Kans...... 62 Thompson River, Iowa...... 58 Walnut River, Kans...... 57 Thompson River, Mo...... 58 Wapsipinicon River, Iowa...... 34 Tiekel River, Alaska...... 102 Ward Creek, Colo...... 79 Tiffany Channel, N. Mex...... 75 Washita River, Okla...... 66 Tiffin River, Ohio...... 32 Watauga River, N. C...... 30 Tioga River, N. Y...... 17, 18 Watersheds, Tex...... 69 Tioughnioga River, N. Y...... 17 Watts Branch, Md...... 20 Titsink Lateral, Ariz...... 88 Wax Lake Outlet, La...... 67 Todd Fork, Ohio...... 29 Wayne Creek, Wyo...... 37 Tohickon Creek, Pa...... 16 Weber River, Utah...... 89 Tombigbee River, Ala...... 26 Weiser River, Idaho...... 97 Tongue Arroyo, N. Mex...... 73 West Branch Delaware River, N.Y. 16 Tongue River, Mont...... 39 West Branch Farmington River, Tonsina River, Alaska...... 102 Conn...... 14 Torne Branch Tributary, N. Y.... 16 West Branch Snake Creek, S. Dak. 43, 44 Touchet River, Wash...... 98 West Branch Susquehanna River,Pa 18 Tradewater River, Ky...... 30 West Divide Creek, Colo...... 78 Tributary to Pascack Branch, N.Y 15 West Fork Cane Branch, Ky...... 30 Trinity River, Calif...... 93, 94 West Fork Ditch, Iowa...... 44 Trinity River, Tex...... 68, 69 West Fork Madison River, Mont... 36 Trout River, N. Y...... 33 West Fork of Smith Fork, Wyo.... 81 Truckee River, Calif...... 90 West Fork San Jacinto River, Tex 69 Tualatin River, Oreg...... 99 West Side Main Canal, Calif..... 88 Tuckasegee River, N. C...... 30 West Walker River, Calif...... 89 Tug Fork, Ky...... 28 Westfield River, Mass...... 14 Tugaloo River, Ga...... 24 Wheatland Canal, Wyo...... 45 Turkey Creek, Ariz...... 87 White Creek, Tenn...... 30 Turkey Creek, Kans...... 51, 56 Whiteoak Bayou, Tex...... 69 Turkey Creek, Tenn...... 31 White Oak Creek, Tex...... 66 Turkey River, Iowa...... 34 White River, Ark...... 60 Tuscarora Creek, N. Y,...... 18 White River, Colo...... 82 Twelvemile Creek, Alaska...... 101 White River, Mo...... 60, 61 Twelvemile Creek, S. C...... 24 White River, S. Dak...... 42 Twentysix Mile Creek, S. C...... 24 White River, Utah...... 82 Twentythree Mile Creek, S. C.... 24 White Rock Creek, Kans...... 54 Tygarts Creek, Ky...... 28 Whiterocks River, Utah...... 82 Whitewater Creek, Ga...... 25 U Whitney Creek, Calif...... 93 Willamette River, Oreg...... 99 Uinta River, Utah...... 82 Williams Fork, Colo...... 82 Umatilla River, Oreg...... 99 Willimantic River, Conn...... 14 Unadilla River, N. Y...... 17 Willow Creek, Mont...... 37 Uncompahgre River, Colo...... 80 Willow Creek, Utah...... 82 Units of expression for load.... 5-6 Wills Creek, Pa...... 19 Unnamed Arroyo, N. Mex...... 73,74, 75,84 Wind River, Wyo...... 37 Unnamed Stream, Conn...... 14 Wiscoy Creek, N. Y...... 32 Unnamed Tributary, Md...... 20 Wolf Creek, Iowa...... 44 Unnamed Tributary, Wyo...... 39 Wolf Creek, Kans...... 52, 56 Unnamed Tributary at Dempsy Pond, Wolf Creek, N. Y...... 32 Nebr...... 53 Wolf Creek, Okla...... 64 Unnamed Tributary Tobiassen Wolf Creek, Tenn...... 31 Farm, Nebr...... 53 Wood River, Nebr...... 46, 48 Unnamed Wash, Ariz...... 85 Woodsville Brook, N. J...... 16 Unnamed Wash, N. Mex...... 75 Workman Creek, Main Dam, Ariz... 87 Ute Creek, N. Mex...... 64

Yadkin River, N. C...., 23 Valdez Draw, N. Mex.... Yaloo River, Miss...... 65 Vallecito Creek, Colo.. Yampa River, Colo...... 81 Valley River, N. C..... Yaqui Lateral, Van Camp Creek, N. Y... Ariz...... 88 Van Duzen River, Calif. Yegua Creek, Tex...... 70 Vandermark Creek, N. Y. Yellow Breeches Creek, Ventura River, Calif... Pa...... 18 INDEX 117 Page Page Yellow Creek, Miss...... 31 Yuma Main Canal, Ariz. 88 Yellowstone River, YWCA Wash, N. Mex. 74 Mont...... 37, 39 Y3llowstone River, Wise...... 34 Yolo Bypass, Calif...... 92 Yukon River, Alaska...... 104 Zayante Creek, Calif. 90

U.S. GOVERNMENT PRINTING OFFICE: 196Z O -61995Z