Version History for:

  Johnsson, Mark J., Evans, Kevin R., and Marshall, Heather A., 
     1999, Thermal maturity of sedimentary rocks in Alaska:  
     Digital resources:  U.S. Geological Survey Digital Data 
     Series DDS-54 (CD-ROM).


  Version 1.0


  -- July 18, 2005
     Migrated online version to new Web server at
     http://pubs.usgs.gov/dds/dds-54/

  -- August 11, 1999
     Initial release on CD-ROM and online at
     http://geopubs.wr.usgs.gov/dds/dds-54/