Soil survey of Washington County, Iowa
By: United States Department of Agriculture, Soil Conservation Service ; in cooperation with Iowa Agriculture and Home Economics Experiment Station, Cooperative Extension Service, Iowa State University, and Department of Soil Conservation, State of Iowa.
Contributors: United States. Soil Conservation Service.; Iowa Agriculture and Home Economics Experiment Station.; Iowa State University. Cooperative Extension Service.; Iowa. Dept. of Soil Conservation.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1986
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 244
Subjects: Soils -- Iowa -- Washington County -- Maps.; Soil surveys -- Iowa -- Washington County -- Maps.
Notes: Bibliography: p. 137.
Cover title.
"Issued November 1986"--P. iii.