1. Western Geographic Science Center U.S. Geological Survey Tucson Arizona USA
2. Arizona Water Science Center U.S. Geological Survey Tucson Arizona USA
3. Sonoran Desert Network National Park Service Tucson Arizona USA
4. School of Natural Resources and the Environment University of Arizona Tucson Arizona USA
5. Southwest Watershed Research Center USDA Agricultural Research Service Tucson Arizona USA
6. Southwest Biological Science Center, Sonoran Desert Research Station U.S. Geological Survey Tucson Arizona USA
7. Geology, Minerals, Energy, and Geophysics Science Center U.S. Geological Survey Tucson Arizona USA