Suggested citation and version history for Phelps, G.A., Graymer, R.W., Jachens, R.C., Ponce, D.A., Simpson, R.W., and Wentworth, C.M., 2008, Three- dimensional geologic map of the Hayward Fault zone, San Francisco Bay region, California: U.S. Geological Survey Scientific Investigations Map 3045 [http://pubs.usgs.gov/sim/3045/]. Version 1.0, November 14, 2011 added 1_readme_projection.txt to EarthVision package added open-source VTP files for use with Paraview Version 1.0, October 6, 2008 Initial release online at http://pubs.usgs.gov/sim/3045/