Changes effected by tractors on corn-belt farms / L.A. Reynoldson and H.R. Tolley.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1922.
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Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 1296. |
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