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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
Kermit D Voy; United States. Soil Conservation Service.
"Issued March 1980."
|Description:||ix, 183 pages,  folded leaves of plates : illustrations ; 28 cm|
|Responsibility:||[by Kermit D. Voy] ; United States Department of Agriculture, Soil Conservation Service in cooperation with the Iowa Agriculture and Home Economics Experiment Station, and the Cooperative Extension Service, Iowa State University, and the Department of Soil Conservation, State of Iowa.|