1. U.S. Geological Survey, Western Ecological Research Center 800 Business Park Drive Dixon CA 95620 USA
2. Idaho State University 921 S. 8th Ave. Pocatello ID 83209 USA
3. Utah State University 5200 Old Main Hill Logan UT 84322 USA
4. California Department of Fish and Wildlife, 1010 Riverside Parkway Sacramento CA 95605 USA