. ([1982) The Great Plains conservation programWashington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service,MLA Citation
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The Great Plains conservation program [electronic resource].
|Published:||Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service, |
Program aid (United States. Dept. of Agriculture) ; no. 1317.
|Topics:||Soil conservation - Great Plains. | Great Plains Conservation Program.|
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