[Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, 1981
Physical Details
ix, 152 pages, 84 folded pages of plates : illustrations, maps (1 color) ; 28 cm
OCLC
ocm07434582
Cover title.
Authors: Wells F. Andrews and Robert O. Dideriksen.
"In cooperation with Iowa Agriculture and Home Economics Experiment Station, Cooperative Extension Service, Iowa State University, and Department of Soil Conservation, state of Iowa."