Revision History for USGS Open-File Report 75-95

  Eaton, J.P., 1975, Harmonic magnification of the complete 
       telemetered seismic system, from seismometer to film 
       viewer screen:  U.S. Geological Survey Open-File 
       Report 75-95, 45 p. 
       [http://pubs.usgs.gov/of/1975/0095/].

  A collection of notes on the standardization, adjustment, 
  and calibration of the seismic systems employed in the 
  USGS central California microearthquake network

  -----------------------------------------------------
  Scanned, OCRed, and posted as PDF online at 
  http://pubs.usgs.gov/of/1975/0095/
  October 20, 2010

  Scanned and posted as .djvu online at 
  http://onlinepubs.er.usgs.gov/djvu/OFR/1975/ofr_75_95.djvu
  October 27, 2003

  Released in paper form
  1975

  Revised
  August 20, 1973

  Compiled
  September 15, 1970
  -----------------------------------------------------