1. Geological Sciences, California State University, Fullerton, Fullerton, CA, USA
2. Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM, USA
3. US Geological Survey (Emeritus), Lakewood, CO, USA
4. Hydrological Sciences, Desert Research Institute, Reno, NV, USA
5. US Geological Survey (Emeritus) Bishop, CA, USA