Jonathan Godt¹, Benjamin B Mirus², Eric S Jones³, Rex L Baum¹, Robert G. Schmitt¹, William J Burns⁴, Matthew Crawford⁵, Dalia Kirschbaum⁶, Jeremy Lancaster⁷, Kassandra Lindsey⁸, Kevin McCoy⁹, Stephen Slaughter¹⁰ and Thomas Stanley¹¹, (1)U.S. Geological Survey, Denver, CO, United States, (2)USGS Geologic Hazards Science Center, Golden, CO, United States, (3)USGS Central Region Offices Denver, Denver, CO, United States, (4)Oregon Dept. of Geology and Mineral Industries, Portland, OR, United States, (5)University of Kentucky, Kentucky Geological Survey, Lexington, KY, United States, (6)NASA Goddard Space Flight Center, Hydrological Sciences Laboratory, Greenbelt, MD, United States, (7)California Geological Survey Sacramento, Sacramento, CA, United States, (8)Colorado Geological Survey, Golden, CO, United States, (9)BGC Engineering, Golden, CO, United States, (10)Washington Geological Survey, Division of Geology and Earth Resources, Olympia, WA, United States, (11)Universities Space Research Association Greenbelt, Hydrological Sciences Laboratory, Greenbelt, MD, United States