Reducing losses from tree diseases in eastern forests and farm woodlands
Hepting, George H.
Reducing losses from tree diseases in eastern forests and farm woodlands - Washington 1942 - 1-21 p. - Diseases, Forests, Farm United States Department of Agriculture. Farmers Bulletin No. 1887 .
Reducing losses from tree diseases in eastern forests and farm woodlands - Washington 1942 - 1-21 p. - Diseases, Forests, Farm United States Department of Agriculture. Farmers Bulletin No. 1887 .