1. Department of Earth and Environmental Sciences; New Mexico Tech; 801 Leroy Place Socorro New Mexico 87801
2. Kimberly Research and Extension Center; University of Idaho; Kimberly Idaho 83341
3. Water and Environmental Resources Division; U.S. Bureau of Reclamation; Denver Colorado 80225
4. Engineer Research and Development Center; U.S. Army Corps of Engineers; Vicksburg Mississippi 39180
5. Department of Geosciences; Murray State University; Murray Kentucky 42071
6. Water Resources/Environmental Science and Engineering; University of Wyoming; Laramie Wyoming 82071
7. Hydrological Sciences Lab; NASA Goddard Space Flight Center; Greenbelt Maryland 20771
8. Daniel B. Stephens and Associates, Inc.; Albuquerque New Mexico 87109