Michelle A Walvoord¹, Brian A Ebel¹, Burke J Minsley², Neal J. Pastick³, David Rey^1,4 and Cliff Voss⁵, (1)USGS, Earth System Processes Division, Denver, CO, United States, (2)USGS Geology, Geophysics, and Geochemistry Science Center, Denver, CO, United States, (3)KBR, contractor to the USGS Earth Resources Observation Science Center, Sioux Falls, SD, United States, (4)Colorado School of Mines, Golden, CO, United States, (5)USGS, Earth System Processes Division, Menlo Park, CA, United States