Brian Czech,^* Rod Heitschmidt,^* Joel Brown,^* Ann Hild<sup>*


*</sup>Authors are Visiting Professor, Natural Resources Program, Virginia Tech National Capitol Region, Falls Church, VA, USA, czech@vt.edu (Czech); Supervisory Range Scientist (retired), USDA-ARS, Fort Keogh Livestock and Range Research Laboratory, Miles City, MT, USA (Heitschmidt); Supervisory Range Scientist, USDA-ARS, Jornada Experimental Range, Las Cruces, NM, USA (Brown); and Professor, Dept of Renewable Resources, University of Wyoming, WY, USA (Hild).