Version history for Morton, Douglas M., and Miller, Fred K., 2006, Geologic map of the San Bernardino and Santa Ana 30' x 60' quadrangles, California, with digital preparation by Cossette, Pamela M., and Bovard, Kelly R.: U.S. Geological Survey Open-File Report 2006-1217 [available on the World Wide Web at URL http://pubs.usgs.gov/of/2006/1217/ ]. Version 1.0 - December 5, 2006 Initial release online at http://pubs.usgs.gov/of/2006/1217/