Early American soil conservationists
- 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