Projected use of grazed forages in the United States, 2000 to 2050 [microform] : a technical document supporting the 2000 USDA Forest Service RPA assessment / Larry W. Van Tassel, E. Tom Bartlett, John E. Mitchell (General technical report RMRS ; GTR-82)
Projected use of grazed forages in the United States, 2000 to 2050 [microform] : a technical document supporting the 2000 USDA Forest Service RPA assessment / Larry W. Van Tassel, E. Tom Bartlett, John E. Mitchell