Revision History for USGS Open-File Report 78-266

  Criley, Ed, and Eaton, J.P., 1978, Five-day recorder 
       seismic system, with a section on the time code 
       generator by Ellis, Jim:  U.S. Geological Survey 
       Open-File Report 78-266, 85 p. 
       [http://pubs.usgs.gov/of/1978/0266/].



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  Scanned, OCRed, and posted online at 
  http://pubs.usgs.gov/of/1978/0266/
  December 17, 2010

  Released in paper form
  1978
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