Soil depletion on representative farms : reference report : Des Moines River Basin.

Bibliographic Details
Corporate Authors:	United States. Soil Conservation Service, United States. Department of Agriculture. Economic Research Service
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, Economic Research Service, [1983?]
Subjects:	Soil erosion > Des Moines River Watershed (Minn. and Iowa) Soil conservation > Minnesota. Soil conservation > Iowa. Agricultural conservation.

Evans: US Documents (Annex 5th floor)