Suggested citation and version history for


  U.S. Geological Survey, 2006, FGDC Digital Cartographic 
       Standard for Geologic Map Symbolization (PostScript 
       Implementation): U.S. Geological Survey Techniques 
       and Methods 11-A2 
       [http://pubs.usgs.gov/tm/2006/11A02/].


  Version 1.0, 

  July 28, 2008
  Replaced defective FGDCGeoAge_mac.zip file

  May 16, 2008
  Initial release online at
  http://pubs.usgs.gov/tm/2006/11A02/