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How to keep and increase black grama on southwestern ranges
- Campbell, Robert S. (Robert Samuel), Crafts, Edward C. (Edward Clayton), and United States Dept. of Agriculture.
- Leaflet (United States. Dept. of Agriculture) ; no. 180 1939
- Black grama grass, Range management -- Southwest, New, forage grasses, forage production, range management, and Bouteloua eriopoda
- 8 p. : ill. ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection