Growing winter wheat on the great plains
Chilcott, E.C., Cole, J.S.
Growing winter wheat on the great plains - Washington 1917 - 1-12 p. - Wheat United States Department of Agriculture. Farmers Bulletin No. 895 .
Growing winter wheat on the great plains - Washington 1917 - 1-12 p. - Wheat United States Department of Agriculture. Farmers Bulletin No. 895 .