USGS Scientific Investigations Map 2816 Geologic Map of the Hebgen Lake Quadrangle, Beaverhead, Madison, and Gallatin Counties, Montana, Park and Teton Counties, Wyoming, and Clark and Fremont Counties, Idaho By J. Michael O'Neill and Robert L. Christiansen This geospatial database has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. The database can be downloaded from http://pubs.usgs.gov/. ArcInfo aml and export files are included in a gzipped tar archive and a Windows zip archive. Identical files are included in both compressed archive files. Georegistered raster images of the topographic base maps are included in the archive bases.zip. In addition, Adobe Portable Document Format (PDF) files may be downloaded, from which a paper copy may be printed. Please refer to the file 2816.met for metadata documentation for this geospatial database. List of files: 2816_print.pdf 2816_508.pdf (508-accessible PDF of map text) 2816.met bases.zip: drains1r.tif drains1r.tfw lakes1r.tif lakes1r.tfw topo1r.tif topo1r.tfw 2816.tar.gz or 2816.zip: 00README.TXT 2816.met database files: h_c.e00 (polygon coverage containing geologic unit contacts and labels) h_g.e00 (line coverage containing graphic decorations) h_d.e00 (line coverage of dikes) h_f.e00 (line coverage of faults) h_s.e00 (line coverage of structures) hebgen.aml fnt003.e00 wpgcmyk-shd.e00