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Early American soil conservationists


Author:
McDonald, Angus Henry
Source:
Miscellaneous publication / United States Department of Agriculture 1941
Year:
1941
Subject:
Soil conservation -- United States, agricultural history, and soil conservation
Format:
63 p. : ill., ports. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection