NEW MAPPING AND TEPHROCHRONOLOGY AT HAGERMAN FOSSIL BEDS NATIONAL MONUMENT, IDAHO, USA - A PROJECT DECADES IN THE MAKING
WALKUP, Laura1, PRASSACK, Kari2, HART, William3, WAN, Elmira1 and PREMO, Wayne R.4, (1)U.S. Geological Survey, 345 Middlefield Road, MS 975, Menlo Park, CA 94025, (2)National Park Service, Hagerman Fossil Beds National Monument, 221 North State Street, PO Box 570, Hagerman, ID 83332, (3)Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, (4)U.S. Geological Survey, Geology and Environmental Change Science Center, Denver Federal Center, MS 963, Denver, CO 80225