A Multifaceted Sampling Approach to Better Understanding Biogeochemical and Hydrogeological Controls on Uranium Mobility at a Former Uranium Mill Tailings Site in Riverton, Wyoming

William L Dam1, Raymond H Johnson2, Sam Campbell2, Sharon E. Bone3, Vincent Noel4 and John Bargar5, (1)Department of Energy, Office of Legacy Management, Grand Junction, CO, United States, (2)Navarro Research and Engineering, Contractor for the U.S. Department of Energy Office of Legacy Management, Grand Junction, CO, United States, (3)SLAC, Menlo Park, CA, United States, (4)SLAC National Accelerator Laboratory, Stanford Synchrotron Radiation Lightsource, Menlo Park, CA, United States, (5)SLAC National Accelerator Laboratory, Menlo Park, United States