Sherwood, M. A. (1985). Soil survey of Greene County, Iowa. U.S. Dept. of Agriculture, Soil Conservation Service.
Chicago Style (17th ed.) CitationSherwood, Max A. Soil Survey of Greene County, Iowa. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1985.
MLA (9th ed.) CitationSherwood, Max A. Soil Survey of Greene County, Iowa. U.S. Dept. of Agriculture, Soil Conservation Service, 1985.
Warning: These citations may not always be 100% accurate.