Version history for Billingsley, George H. Priest, Susan S. and Felger, Tracey J., 2004, Geologic map of Pipe Spring National Monument and the western Kaibab-Paiute Indian Reservation, Mohave County, Arizona: U.S. Geological Survey Scientific Investigations Map 2863, scale 1:31,680, 22 p. [available on the World Wide Web at http://pubs.usgs.gov/sim/2004/2863/ ]. Version 1.0 September 12, 2006 Added a digital shapefile package with readme to facilitate use of the data in ArcMap Some minor errors were uncovered on Pipe Springs SIM 2863, originally published in 2004. These have been fixed on this digital version and consist of: 1) a few extraneous contact lines (now removed) 2) a miscolored polygon 3) erratic bar and ball orientation in the digital database (not on the paper map); this is due to line orientation 4) some adjustments to the folds in the digital database (not on the paper map); also due to line orientation May 12, 2006 Added "ArcMap style for map colors and symbolization." file pisp.style November 29, 2004 Initial release online at http://pubs.usgs.gov/sim/2004/2863/