Minnesota Geological Survey County Atlas Series C-9, part A Rice County, Minnesota Scale 1:100,000 Digital products ------------------------------------------------------------------------ The export (.e00) files for the Arc/Info coverages created for this project are given as a .zip file named "C-9.zip". Freeware versions of software to extract the zipped files are readily available for almost any platform (pc, Unix, Mac,..) for download via the web. All covers are registered in UTM coordinates, zone 15, NAD83 projection. There is no metadata available for these digital files. In general, the linework was compiled at 1:100,000, digitized via PC ArcInfo on a digitizing table and registered to USGS 1:24,000 quad corners, UTM NAD27. The files were imported into unix based ArcInfo, linework was splinned to smooth where necessary, built or cleaned and coded to our standard attributes(see "documents" directory on ftp site. This work was done between 1993-1995. All digital files were projected to UTM NAD83 projection for public use and posted on the ftp site April 2002. If you would like paper copies of the geologic plates; contact the MGS Map Sales office at 612-627-4780, ex. 238 and specify publication "County Atlas Series C-9, part A". Any questions concerning, or notification of problems relating to, the digital data should be directed to: Tim Wahl or Rich Lively Minnesota Geological Survey 2642 University Ave. St. Paul, MN 55114 612-627-4780 tewahl@umn.edu or lively@umn.edu