Version History for:


Wilson, Frederic H., Dover, James H., Bradley, Dwight C., 
     Weber, Florence R., Bundtzen, Thomas K., and 
     Haeussler, Peter J., 1998, Geologic map of central 
     (interior) Alaska:  U.S. Geological Survey Open-File 
     Report OF 98-133-A.


Version 1.2 -

     October 23, 2006, migrated online version from
     http://geopubs.wr.usgs.gov/open-file/of98-133-a/
     to
     http://pubs.usgs.gov/of/1998/of98-133-a/
     and added a zip file that contains all of the contents 
     of the /arc folder


     May 21, 2003, revised Web page to remove FTP button 
     and replace it with a series of directed HTTP buttons. 
     Moved text, cakunits, and arc files into 
     subdirectories for ease of access.  added .TAB, .FP5, 
     and .XLS versions of the "cakunits" data file.  Tagged 
     PDF files of text for use with assistive technology 
     such as screen reader software.


Version 1.1 -

     February 07, 2000, cakunits database revised to 
     include a replacement for the data file on the CD-ROM 
     called "cakunits."  It is the data file that links 
     NSAclass codes in the coverages to specific geologic 
     units in each quadrangle.  The revised file is 
     provided at Filemaker Pro database (.FP3), a database 
     exchange formatted file (.DBF), and a text file using 
     quotes and commas to separate fields (.CSV).


Version 1.0 -

     September 10, 1999, released also on the Web at 
     http://geopubs.wr.usgs.gov/open-file/of98-133-a/

     January 12, 1999, Initial release, on the CD-ROM