Version history for


  Bleamaster Leslie F., III, Gregg, Tracy K.P., Tanaka,
       Kenneth L., and Saunders, R. Stephen, eds., 2007, 
       Abstracts of the Annual Meeting of Planetary 
       Geologic Mappers, Tucson, AZ 2007:  U.S. Geological 
       Survey Open-File Report 2007-1233 
       [http://pubs.usgs.gov/of/2007/1233/].


  Version 1.0, August 8, 2007

  Initial release online at
  http://pubs.usgs.gov/of/2007/1233/