Revision History for USGS 
  Crustal Studies Technical Letter Number 0011

  Jerry P. Eaton

  Crustal Structure from San Francisco, California, to 
  Eureka, Nevada, from Seismic-Refraction Measurements

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  Posted online at http://pubs.usgs.gov/misc/tl/0011/
  July 31, 2012

  Initial release in paper form
  March 18, 1963

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