United States In cooperation with Department of United States Department of Agriculture Agriculture, Forest Service; Soil Survey of Washington State Department of Natural Wenatchee Resources; and Washington State University, Agricultural Natural Research Center National Forest, Resources Conservation Service Naches Area, Washington, Parts of Kittitas and Yakima Counties How To Use This Soil Survey Detailed Soil Maps The detailed soil maps can be useful in planning the use and management of small areas. To find information about your area of interest, locate that area on the Index to Map Sheets. Note the number of the map sheet and turn to that sheet. Locate your area of interest on the map sheet. Note the map unit symbols that are in that area. Turn to the Contents, which lists the map units by symbol and name and shows the page where each map unit is described. The Contents shows which table has data on a specific land use for each detailed soil map unit. Also see the Contents for sections of this publication that may address your specific needs. i National Cooperative Soil Survey This soil survey is a publication of the National Cooperative Soil Survey, a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (formerly the Soil Conservation Service) has leadership for the Federal part of the National Cooperative Soil Survey. This survey was made cooperatively by the Natural Resources Conservation Service and the Forest Service, Washington State Department of Natural Resources, and Washington State University, Agricultural Research Center. Major fieldwork for this soil survey was completed in 1996. Soil names and descriptions were approved in 2003. Unless otherwise indicated, statements in this publication refer to conditions in the survey area in 1996. The most current official data are available on the Internet. Soil maps in this survey may be copied without permission. Enlargement of these maps, however, could cause misunderstanding of the detail of mapping. If enlarged, maps do not show the small areas of contrasting soils that could have been shown at a larger scale. Nondiscrimination Statement The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720- 6382 (TDD). USDA is an equal opportunity provider and employer. Cover Caption Naches Ranger District of Wenatchee National Forest. Lost Lake in foreground, and Divide Ridge in background. Additional information about the Nation’s natural resources is available online from the Natural Resources Conservation Service at http://www.nrcs.usda.gov. ii Contents How to Use This Soil Survey ......................................................................................i Contents...................................................................................................................... iii Foreword ..................................................................................................................... ix General Nature of the Survey Area..............................................................................2 History and Development ........................................................................................2 Physiography, Relief, and Drainage ........................................................................3 Geologic History ......................................................................................................3 Climate .....................................................................................................................6 Table 1.—Temperature and Precipitation ............................................................ 7 Table 2.—Freeze Dates in Spring and Fall ......................................................... 8 Table 3.—Growing Season .................................................................................8 How This Survey Was Made ........................................................................................ 9 Detailed Soil Map Units ............................................................................................11 Table 4.—Acreage and Proportionate Extent of the Soils ..................................... 12 1—Ainsley gravelly ashy sandy loam, 5 to 30 percent slopes .............................. 17 2—Ainsley gravelly ashy sandy loam, 30 to 55 percent slopes ............................ 18 3—Alfic Vitrixerands, 20 to 60 percent slopes** .................................................... 19 4—Andic Haplocryods, 10 to 30 percent slopes** ................................................. 20 5—Andic Haplocryods, 20 to 60 percent slopes** ................................................. 21 6—Andic Haplocryods-Rock outcrop-Chutes complex, 45 to 90 percent slopes** ...........................................................................................................22 7—Aquic Haploxererts, 0 to 3 percent slopes ....................................................... 23 8—Aquic Vitricryands-Cryaquands complex, 1 to 3 percent slopes** ................... 24 9—Badland, 5 to 30 percent slopes** ...................................................................26 10—Bearrun ashy sandy loam, 15 to 30 percent slopes ...................................... 26 11—Bearrun ashy sandy loam, cold, 30 to 55 percent slopes .............................. 27 12—Bearrun-Aquic Haploxererts complex, cold, 0 to 30 percent slopes .............. 28 13—Bearrun-Bograp complex, 3 to 15 percent slopes ......................................... 30 14—Bertolotti gravelly ashy loamy sand, 30 to 55 percent slopes........................ 31 15—Bocker-Gidwin complex, 0 to 25 percent slopes............................................ 32 16—Bocker-Gidwin-McDanielake complex, 0 to 15 percent slopes ..................... 34 17—Bocker-Naxing complex, 5 to 25 percent slopes ........................................... 36 18—Bocker-Stemilt complex, 0 to 25 percent slopes ............................................ 38 19—Bograp ashy fine sandy loam, 10 to 35 percent slopes ................................. 39 20—Bograp-McDanielake complex, 15 to 45 percent slopes ............................... 40 21—Bograp-Singh complex, 30 to 55 percent slopes ........................................... 42 22—Haplocryolls, 0 to 3 percent slopes ................................................................ 44 23—Cryosaprists-Cryaquands complex, 0 to 5 percent slopes** ......................... 45 24—Darland very gravelly ashy fine sandy loam, 5 to 15 percent slopes............. 46 25—Darland very gravelly ashy fine sandy loam, 30 to 70 percent slopes ........... 47 26—Darland-Naxing complex, 15 to 55 percent slopes ........................................ 48 27—Fifesridge-Pileup-Fiscus complex, 10 to 30 percent slopes .......................... 50 28—Fiscus ashy sandy loam, 25 to 55 percent slopes ......................................... 52 29—Fiscus ashy sandy loam, 55 to 70 percent slopes ......................................... 53 iii Soil Survey of Wenatchee National Forest, Naches Area, Washington 30—Fiscus-Pileup-Fifesridge complex, 30 to 55 percent slopes .......................... 54 31—Ghormley-Bearrun complex, 30 to 55 percent slopes ................................... 56 32—Ghormley-Bearrun-Aquic Haploxererts complex, 0 to 30 percent slopes ...... 58 33—Gilpar ashy sandy loam, 5 to 30 percent slopes ............................................ 60 34—Gilpar ashy sandy loam, 30 to 55 percent slopes .......................................... 61 35—Gilpar-Haywire complex, 5 to 30 percent slopes ........................................... 62 36—Gilpar-Walupt complex, 25 to 45 percent slopes ........................................... 64 37—Icksix gravelly ashy sandy loam, 5 to 30 percent slopes ............................... 65 38—Icksix gravelly ashy sandy loam, 30 to 55 percent slopes ............................. 66 39—Icksix gravelly ashy sandy loam, 55 to 80 percent slopes ............................. 67 41—Icksix gravelly ashy sandy loam, 20 to 80 percent slopes** .......................... 68 42—Icksix-Rock outcrop-Rubble land complex, 20 to 90 percent slopes** .......... 69 43—Jumpe stony ashy loam, 5 to 25 percent slopes............................................ 71 44—Jumpe stony ashy loam, 25 to 45 percent south slopes................................ 72 45—Jumpe stony ashy loam, 25 to 45 percent north slopes ................................ 73 46—Jumpe stony ashy loam, 45 to 65 percent north slopes ................................ 74 47—Kaner gravelly ashy sandy loam, 5 to 30 percent slopes .............................. 75 48—Kaner