Version history for



  Boatwright, John, Blair, Luke, Catchings, Rufus, Goldman, 
       Mark, Perosi, Fabio, and Steedman, Clare, 2004, 
       Using twelve years of USGS refraction lines to 
       calibrate the Brocher and others (1997) 3D velocity 
       model of the Bay Area:  U.S. Geological Survey Open-
       File Report 2004-1282 [available on the World 
       Wide Web at http://pubs.usgs.gov/of/2004/1282/].


  Version 1.0

  July 29, 2004
  Intital release online at
  http://pubs.usgs.gov/of/2004/1282/