Revision History for U.S. Geological Survey Scientific Investigations Report 2016-5171 By Donald J. Bills and Jamie P. Macy Hydrologic framework and characterization of the Truxton aquifer on the Hualapai Reservation, Mohave County, Arizona ----------------------------------------------------- Posted online December 30, 2016 ----------------------------------------------------- Revised (version 2.0) and reposted online December 14, 2017. Minor editorial changes were made throughout the report, including the addition of a list of abbreviations and acronyms. FIGURE CHANGES: Figures 3 and 8 through 12 were revised to better show the geology of the study area. TABLE CHANGES: Entries in all tables were slightly updated. Table 2 was deleted from the report and old table 3 renumbered as table 2.