What tractors and horses do on corn-belt farms
- Source:
- Farmers' bulletin / United States Department of Agriculture ; no. 1295 1923
- Year:
- 1923
- Subject:
- Tractors -- Middle West, Horses -- Middle West, horses, draft animals, tractors, plowing, discing, harrowing, rolling, tillage, sowing, harvesting, working animals, and mechanization
- Format:
- 14 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection