NOTICE The Oregon Department of Geology and Mineral Industries is publishing this paper because the subject matter is consistent with the mission of the Department. To facilitate timely distribution of information, this report has not been edited to the usual standards of the Department of Geology and Mineral Industries. Index to Geologic Maps of Oregon by U.S. Geological Survey Topographic Quadrangle Name, Compiled by Peter L. Stark Map and Aerial Photography (MAP) Library University of Oregon Library Eugene, Oregon Th~sindex covers geologic maps of Oregon that were published in several U. S. Geological Survey series. Only maps fiom the "L" series (Land Use and Land Cover Maps) have been excluded. The index also includes maps that have been published by the Oregon Department of Geology and Mineral Industries and the Oregon Water Resources Department. It lists only those geological maps with a scale of 1: 125,000 or larger. Quadrangles whose names have been changed are listed under each of their names. Each entry includes the following elements: The quadrangle name; a reference to the publication series that contains a geologic map of part or all of the quadrangle; the scale of the geologic map expressed in thousands; and a description of the coverage of the quadrangle provided by the geologic map. Where appropriate, the subject coverage is noted if the map is not a standard geologic map. Abbreviations used for publications U.S. Geological Survey B Bulletin (1883-) GF Geologc Folio (1 894- 1945) GP Geophysical Investigations Map ( 1946-) GQ Geologic Quadrangle Map (1949-) HA Hydrologic Investigations Atlas (1954-) I Miscellaneous Investigations Series Map Before 1973: Miscellaneous Geologic Investigations Map (195 5-) MF Miscellaneous Field Studies Map (195 1-) OF Open-File Report (1967-) OM Oil and Gas Investigations Map (1943-) P Professional Paper (1902-) W Water-Supply Paper (1896-) WRI Water Resources Investigation (1974-) Oregon Department of Geology and Mineral Industries OrB Bulletin (1937-) OrGMS Geologic Map Series (1962-) Or0 - Open-File Report (1966-) OrOGI Oil and Gas Investigation (1963-) OrQM Quadrangle Map (1938-1968) Or SP Special Paper (197%) Oregon Water Resources Department OrGRW Groundwater Report (196 I-) Oregon Geologic Map Index 1 Quad name Publication Scale Coverage Abbott Butte 15' MF-1528 125k Complete Abbott Butte 15' OIQM-2 96k Complete Abbott Butte MF-1528 125k Complete Abbott Butte OIQM-2 96k Complete Adams W 1620 125k Complete Adams WRI 77-3 62k Umatilla Indian Reservation only Adobe Flat W 841 125k Complete Adrian OrGMS-2 125k Complete Adrian OrGMS-56 24k Complete Adrian OrGMS-77 look Complete Agness 15' B 1339 125k Complete Agness 15' GF-89 125k Complete Agness 15' MF-1381-A 48k Wild Rogue Wilderness Area only Agness 15' OrB 80 62k Coos County portion only Agness 15' OrB 90 62k E.-central portion Agness 15' OrB 93 125k Curry County portion only Agness B 1339 125k Complete Agness GF-89 125k Complete Agness OrB 90 62k E. of 124O06' Agness OrB 93 125k Complete Airlie North OF 80-678 62k Complete Airlie North OrB 35 62k Complete Airlie North OrGWR 28 62k Complete Airlie North W 890 125k Complete Airlie South GP-48 1 62k Complete Airlie South OF 80-678 62k N. of 40°39' Airlie South OM-150 62k Complete Airlie South OrB 98 62k Benton County portion only Airlie South OrGWR 28 62k N. of 40°39' Albany 15' GP-48 1 62k Complete, aerornagnetic Albany 15' OF 80-678 62k N. of 44O40' and W. of Willamette R. Albany 15' OM-150 62k Complete, W. of Willarnette R Albany 15' OrB 37 62k Complete Albany 15' OrB 84 62k Linn County portion only Albany 15' OrB 98 62k Benton County portion only Albany 15' OrGWR 28 62k N. of 44O40' and W. of Willarnette R Albany 15' W 2032 62k S. of 44O41' Albany 15' W 890 125k Complete Albany GP-48 1 62k Complete, aeromagnetic Albany OM-150 62k Complete Albany OrB 37 62k Complete Albany OrB 84 62k Linn County portion only Albany OrB 98 62k Benton County portion only Albany W 2032 62k S. of 44O41' Albany W 890 125k Complete Alder Creek B 1741-C look Complete except SW% Alder Creek OrGMS-77 look Complete Alderdale HA-3 87 125k Oregon portion only Aldrich Mountain 15' GQ-438 62k Complete Aldrich Mountain 15' MF-49 62k Complete Aldrich Mountain North GQ-438 62k Complete Aldrich Mountain North MF-49 62k Complete Oregon Geologic Map Index 2/16/95 Ouad name Publication Scale Coverage Aldrich Mountain South GQ-438 Complete Aldrich Mountain South MF-49 Complete Alfalfa B 1744-B S. of 44O02'30" Alfalfa OrQM-1 Complete Alkali Flat 1-540 Complete megany GF-73 Complete Allegany OrB 80 Complete megany OrB 87 Complete Allegany OrOGI 6 Complete Alsea 15' OM-162 Complete Alsea 15' OrB 81 Lincoln County portion only Alsea OM-162 Complete Alvord Hot Springs B 931-J SEN Alvord Hot Springs MF- 1876 Wilderness Area only Alvord Hot Springs MF-1916 Complete Amity OM-155 Complete Amity 010-8 1-5 Complete Amity W 1847 Complete Amity W 890 Complete Ana River MF-2 12 1 Complete Anderson Mountain 15' W 841 Tps.27,28 S., Rs. 34,35 E. Andies Prairie W 1620 Complete Andrews B 931-J Complete Andrews B 995-B W. % Aneroid Mountain B 1385-E Wildelness Area only Aneroid Mountain OrB 12 Complete Aneroid Mountain OrQM-10 Complete Anlauf 15' B 1122-D Complete Anlauf 15' B 850 S. %, except for SE portion Anlauf 15' WRI 76- 105 Douglas County only, except SE portion Anlauf B 1122-D Complete Anlauf WRI 76-105 Complete Anns Butte OF 82-847 Complete Antelope 15' 1-872 Complete Antelope 1-872 Complete Anthony Butte W 1597 N. of 45O05' Anthony Lakes OrQM-8 Complete Applegate MF-1528 Complete Applegate OF 81-1076 E. of 123O10' Applegate OrQM-3 Complete Arbuckle Mountain 010-86-5 Complete Arch Cape OM-42 Complete Arch Cape OrB 74 Complete Arch Cape QrOGI 14 Complete Arrastra Butte 1-872 Complete Arrowwood Point B 1744-A Wagon Butte area, SE corner Arrowwood Point OrQM-7 Complete Ashland 15' GQ-89 Complete Ashland 15' HA-42 1 Complete Ashland 15' MF-1528 Complete Ashland 15' OrB 94 N. of 42O07' Ashland 15' . OrQM-6 Complete Oregon Geologic Map Index 3 Quad name Publication Scale Coverage Ashland 15' P 1521 W.% Ashland GQ-89 Complete Ashland HA421 Complete Ashland MF-1528 Complete Ashland OrB 94 N. of 42O07' Ashland OrQM-6 Complete Ashland P 1521 Complete Ashwood B 1161-D T.9 S., Rs. 15, 16 E. Ashwood B 1161-D T.10 S., Rs. 15, 16 E. Ashwood 1-872 Complete Aspen Lake MF-1507-A Wilderness Area only Aspen Lake MF-1528 Complete Astoria 15' OM-42 Complete Astoria 15' OrB 74 Complete Astoria 15' OrOGI 14 Complete Astoria 15' W 1899-A W.% Astoria OM42 Complete Astoria OrB 74 Complete Astoria OrOGI 14 Complete Athena WRI 77-3 Umatilla Indian Reservation only Austin OrQM-8 Complete Avery Creek OrGMS-77 Complete Avery Creek 010-92-16 Complete Axehandle Butte 1-872 Complete Bachelor Butte 1-1967 Complete Bacona OM42 Complete Bacona OrOGI 5 Complete Badger Lake MF-1379-A Wilderness Area only Baker B 879 Complete Baker HA-242 Complete Baker 010-77-6 Complete Baker City B 879 Complete Baker City HA-242 Complete Baker City 010-77-6 Complete Baker Point OM42 Complete Baker Point OrOGI 5 Complete Baldy Mountain OM- 186 Complete Baldy Mountain WRI 834017 Douglas County portion only Ballston OM-155 Complete Ballston 010-82-2 Complete Balm Creek Reservoir B 830 T.7 S., R.13 E., secs. 15-22, 27-34 Balm Creek Reservoir B 830 T.8 S., R.43 E., secs. 2-11, 14-18 Balm Creek Reservoir OrGMS-1 Complete Bandon 15' B 945-E Complete, except SEX Bandon 15' GF-73 Complete Bandon 15' OrB 80 Complete Bandon 15' OrB 87 Complete Bandon 15' OrOGI 6 Complete Bandon B 945-E Complete Bandon GF-73 Complete Bandon OrB 80 Complete Bandon OrB 87 Complete Oregon Geologic Map Index 2/16/95 Ouad name Publication Scale Coverage Bandon OrOGI 6 Complete Bannock Ridge B 1741-D W. of 117O13', S. of 43O19' Bannock Ridge MF-1903 Complete Bannock Ridge OffiMS-78 Complete Barklow Mountain GF-89 Complete Barklow Mountain OrB 80 Coos County portion only Barklow Mountain OrB 93 Curry County portion only Barklow Mountain OffiMS-5 Complete Barnhart W 1620 Complete Barton Lake W 841 Complete Bassey Creek W 1620 Complete Bates 15' OrB 39 N. of Middle Fork John Day R Bates 15' OrGMS-29 NE% only Bates 15' OrGMS-3 1 NW% only Bates 15' OrGMS-35 SW% only Bates OrB 39 N. of Middle Fork John Day R. Bath Canyon B 1743-B North Pole Ridge, N of 45O05' Bath Canyon 1-872 Complete Battle Ax 15' OrB 15 S. of 44O50' Battle Ax 15' OffiMS-46 SE% Battle Ax OrB 15 S. of 44O50' Bearbones Mountain B 893 NW% Beaver OF 94-21 Complete Beaver OM42 Complete Beaver OrB 74 Complete Beaver Butte WRI 76-26 Warm Springs Indian Reservation only Beaver Charlie Breaks MF-1926 Owyhee Canyon area Beaver Creek OM-1 10 Complete Beaver Creek WRI 76-105 S. of 43O47', E. of 123O28' Beaver Lake MF-1528 Complete Beaver Lake OrQM-2 Complete Beaverdam Creek OrQM-8 Complete Beaverton 15' OM42 N. of Willamette R Beaverton 15' OrB 60 Complete Beaverton 15' OrB 99 Clackamas County portion only Beaverton 15' W 1697 Complete except for SW% Beaverton 15' W 890 Complete Beaverton OM42 Complete Beaverton OrB 60 Complete Beaverton W 1697 Complete Beaverton W 890 Complete Beech Creek Summit OF 67-213 Complete Belknap Springs OrGMS-48 Complete Belshaw Meadows OF 67-2 13 Complete Bend bF-2189 W.% Bend OrB 89 Complete Bend OrQM-1 Complete Bend Airport OrQM-1 Complete Benham Falls OF 82-847 Complete Bennet Peak OrB 12 Complete Bennet Peak OrQM- 10 Complete Beulah 15' B 875 T.19 S., R.36 E., secs.