Harvesting small grain, soybeans, and clover in the corn belt with combines and binders
Reynoldson, L.A., HUmphries, W.R., Martin, J.H.
Harvesting small grain, soybeans, and clover in the corn belt with combines and binders - Washington 1931 - 1-55 p. - Harvesting, Grain United States Department of Agriculture. Technical Bulletin No. 244 .
Harvesting small grain, soybeans, and clover in the corn belt with combines and binders - Washington 1931 - 1-55 p. - Harvesting, Grain United States Department of Agriculture. Technical Bulletin No. 244 .