1. Soil survey manual / by Soil Science Division Staff. United States. Natural Resources Conservation Service. Soil Science Division [Washington, D.C.] : United States Department of Agriculture, 2018. Book Online
2. Soil taxonomy : a basic system of soil classification for making and interpreting soil surveys / by soil survey staff. Washington, DC : U.S. Dept. of Agriculture, Natural Resources Conservation Service : For sale by the Supt. of Docs., U.S. G.P.O., 1999. Book Physical Online ReCAP A 1.76:436/999 Loading...
3. A catalog of the Coleoptera of America north of Mexico : family: Byturidae / by Charles A. Springer, Michael A. Goodrich ; prepared by Agricultural Research Service. Springer, Charles A. [Washington, D.C.] : The Service, 1991. Book Online
4. Nearctic pine tip moths of the genus Rhyacionia, biosystematic review : Lepidoptera--Tortricidae, Olethreutinae / by Jerry A. Powell and William E. Miller. Powell, Jerry A. Washington, D.C. : Forest Service, U.S. Dept. of Agriculture, 1978. Book Online
5. Soil taxonomy : a basic system of soil classification for making and interpreting soil surveys / Soil Survey Staff. Washington, D.C. : Soil Conservation Service, U.S. Dept. of Agriculture, 1975. Book Physical ReCAP S591.xU5.1975 Loading...
6. A system for visually classifying alfalfa flower color / by D.K. Barnes. Barnes, D. K., 1935- [Washington, D.C.] : Agricultural Research Service, U.S. Dept. of Agriculture, [1972] Book Online
7. Aerial-photo interpretation in classifying and mapping soils. Prepared by soil scientists and cartographers, soil survey staff, Soil Conservation Service. United States. Soil Conservation Service Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1966. Book Physical ReCAP 85378.922 Loading...
8. Soil taxonomy : a basic system of soil classification for making and interpreting soil surveys / Soil Survey Staff. United States. Soil Conservation Service Washington : Soil Conservation Service, U. S. Department of Agriculture : For sale by Supt. of Docs., U. S. Govt. Print. Off., 1975. Book Physical ReCAP S591 .A5524