Symposium jointly arranged by ASA, C., American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Society for Range Management, Campbell, R. S., & Keller, W. (1973). Range resources of the Southeastern United States. Volume 21. Madison, Wisconsin: American Society of Agronomy.

Symposium jointly arranged by ASA, CSSA, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Society for Range Management, Robert S. Campbell, and Wesley Keller. Range Resources of the Southeastern United States. Volume 21. Madison, Wisconsin: American Society of Agronomy, 1973.

Symposium jointly arranged by ASA, CSSA, et al. Range Resources of the Southeastern United States. Volume 21. Madison, Wisconsin: American Society of Agronomy, 1973.