1. USDA-ARS Forage and Range Research Lab.; Utah State Univ.; Logan UT 84322-6300
2. Supervisory Research Geneticist; USDA-ARS Grain, Forage, and Bioenergy Research Unit; Univ. Nebraska; Lincoln NE 68583-0937
3. USDA-ARS Northern Great Plains Research Lab.; Mandan ND 58554
4. USDA-ARS Ft.; Keogh Livestock and Range Research Lab.; Miles City MT 59301-4016
5. USDA-ARS Grazinglands Research Lab.; El Reno OK 73036