Version history for Theodore, Ted G., Geology and Mineral Resources of the East Mojave National Scenic Area, San Bernardino County, California: U.S. Geological Survey Bulletin 2160 [available on the World Wide Web at URL http://pubs.usgs.gov/bul/b2160/ ]. Version 1.0, August 22, 2007 Initial release online at http://pubs.usgs.gov/bul/b2160/