Version history for


  Tanaka, Kenneth L. Skinner, James A., Jr., and 
       Hare, Trent M. 2005, Geologic Map of the Northern 
       Plains of Mars:  U.S. Geological Survey Scientific 
       Investigations Map 2888. [available on the World 
       Wide Web at http://pubs.usgs.gov/sim/2005/2888/ ].



  Version 1.0, October 18, 2005

  Initial release online at
  http://pubs.usgs.gov/sim/2005/2888/