1. Northwest Watershed Research Center; USDA, Agricultural Research Service; Boise ID USA
2. Department of Biological and Agricultural Engineering; University of Idaho; Moscow ID USA
3. Southwest Watershed Research Center; USDA, Agricultural Research Service; Tucson AZ USA
4. School of Natural Resources and Environment; University of Arizona; Tucson AZ USA
5. USDA, Great Basin Rangelands Research Unit; Reno NV USA