Revision History for USGS Open-File Report 2010-1307 G.A. Phelps, A. Boucher, and K.J. Halford A Refined Characterization of the Alluvial Geology of Yucca Flat and Its Effect on Bulk Hydraulic Conductivity ----------------------------------------------------- Posted online at http://pubs.usgs.gov/of/2010/1307/ March 18, 2011 -----------------------------------------------------