Richard L Reynolds¹, Harland L Goldstein², Raymond F Kokaly³, Bruce M Moskowitz⁴, Seth M Munson⁵, Peter Solheid⁶, George N Breit¹ and Jeff Derry⁷, (1)USGS Central Region Offices Denver, Denver, CO, United States, (2)US Geological Survey, Geosciences and Environmental Change Science Center, Denver, CO, United States, (3)US Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver, CO, United States, (4)University of Minnesota, Department of Earth Sciences, and Institute for Rock Magnetism, Minneapolis, MN, United States, (5)U.S. Geological Survey, Moab, UT, UNITED STATES, (6)University of Minnesota Twin Cities, Institute for Rock Magnetism, Minneapolis, MN, United States, (7)Center for Snow and Avalanche Studies, Silverton, CO, United States