Revision History for USGS Open-File Report 94-706

  James F. Gibbs, Thomas E. Fumal, Roger D. Borcherdt, 
  Richard E. Warrick, Hsi-Ping Liu, and 
  Robert E. Westerlund

  Seismic Velocities and Geologic Logs from Boreholes at 
  Three Downhole Arrays in San Francisco, California

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  Posted online at http://pubs.usgs.gov/of/1994/0706/
  June 11, 2012

  Initial release in paper form
  1994

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