U.S.DEPARTMENT OF THE INTERIOR
                               U.S.GEOLOGICAL SURVEY


              The Digital Geologic Map of Wyoming in ARC/INFO Format

                                       By

                 Gregory N. Green and Patricia H. Drouillard
                     


                            Open File Report 94-0425


                                       1994
  

     This report is preliminary and has not been reviewed for conformity
     with U.S. Geological Survey (USGS) editorial standards nor with the
     North American stratigraphic codes.  Any use of trade, product, or
     firm names is for descriptive purposes only and does not imply
     endorsement by the USGS. Although these data have been used by the
     USGS and have been successfully imported into data base programs, no
     warranty, expressed or implied, is made by the USGS as to how
     successfully or accurately the data can be imported into any specific
     application software running on any specific hardware platform.  The
     fact of distribution shall not constitute any such warranty, and no
     responsibility is assumed by the USGS in connection therewith. 



     U.S. Geological Survey 
     Denver, Colorado

     Last revsion: June 30, 1994