Range improvement in Arizona (Cooperative experiments with the Arizona experiment station.)
By David Griffiths.
- Washington, Govt. print. off., 1901.
- 31 p. VI pl., 5 diagr. 26 cm.
- U.S. Dept. of agriculture. Bureau of plant industry. Bulletin ; no. 4 .
- Bulletin (United States. Bureau of Plant Industry) ; no. 4. .