Version history for Miller, Fred K., with digital preparation by Cossette, P.M., 2004, Preliminary geologic map of the Big Bear City 7.5' quadrangle, San Bernardino County, California: U.S. Geological Survey Open-File Report 2004-1193. Version 1.0, April 26, 2004 Intital release online at http://pubs.usgs.gov/of/2004/1193/