Version history for


  Tabor, R.W., Waitt, R.B., Frizzell, V.A., Jr., Swanson, 
       D.A., Byerly, G.R., and Bentley, R.D., 1982, 
       Geologic map of the Wenatchee 1:100,000 quadrangle, 
       Central Washington:  U.S. Geological Survey 
       Miscellaneous Investigations Series Map I-1311, 
       scale 1:100,000 [available on the World Wide Web at 
       http://pubs.usgs.gov/imap/i1311/ ].



  Version 1.0


  September 23, 2005

  Added description of map units
  Added link to newly released digital data


  July 1, 2004

  Migrated from the old Geopubs server to the new NatWeb 
  server at
  http://pubs.usgs.gov/imap/i1311/


  August 27, 2001

  Intital release online at
  http://geopubs.wr.usgs.gov/i-map/i1311/


  The original geologic map for this database was published 
  in paper form in 1982, based on geologic mapping and 
  compilation by the authors during 1975 through 1979.