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The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. The Geologic Mapping Act of 1992 and its...
Search relevance: 1.00 | Views last month: 69 | Catalog Last Checked: May 05, 2026 at 09:55 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Salmon National Forest and vicinity, east-central Idaho (Evans and...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 11, 2026 at 06:52 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Payette National Forest and vicinity, west-central Idaho (Lund, 2004)....
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 31, 2026 at 06:39 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the Arlington quadrangle, Carbon County, Wyoming (Hyden and others, 1967). Attribute...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 25, 2026 at 04:51 AM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Butte 1 degree x 2 degrees quadrangle, Montana (Lewis, 1998). Attribute...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 10:14 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic maps of Ravalli Group and other Mesoproterozoic Belt Supergroup strata in northern Idaho and...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 08, 2026 at 05:27 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Challis 1 degree x 2 degrees quadrangle, Idaho (Fisher and others,...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 31, 2026 at 06:31 PM -
This U.S. Geological Survey (USGS) data release presents a digital database of geospatially enabled vector layers and tabular data transcribed from the geologic map of the Lake Owen quadrangle,...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 07, 2026 at 05:12 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the reconnaissance geologic map of the Hells Canyon Study Area, Wallowa County, Oregon, and Idaho and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:55 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic and structure maps of the Kalispell 1 degree x 2 degrees quadrangle, Montana, and...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:09 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of Precambrian metasedimentary rocks of the Medicine Bow Mountains, Albany and Carbon...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 10:10 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Choteau 1 x 2 degrees quadrangle, western Montana (Mudge and others,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:46 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the Bayhorse area, central Custer County, Idaho (Hobbs and others, 1991). Attribute...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 08, 2026 at 05:20 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic terranes of the Hailey 1 degree x 2 degrees quadrangle and the western part of the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 19, 2026 at 08:07 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the White Rock Canyon quadrangle, Carbon County, Wyoming (Hyden and others, 1968)....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:19 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic and structure maps of the Wallace 1 degree x 2 degrees quadrangle, Montana and...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:38 PM -
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic map of the Dillon 1 x 2 degrees quadrangle, Idaho and Montana (Ruppel and others,...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 15, 2026 at 06:51 PM -
This U.S. Geological Survey (USGS) Data Release provides a digital geospatial database for the bedrock geologic map of the Beans Cove and Hyndman quadrangles and part of the Fairhope quadrangle...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:34 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the Bison Range and surrounding area on the Flathead Reservation, northwestern Montana. Attribute tables...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:28 PM -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the eastern part of the Challis National Forest and vicinity, Idaho (Wilson and...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:08 PM
