National Geologic Map Database
General Information
- Title: Geologic map of the Challis 1 degree x 2 degrees quadrangle, Idaho [updated GIS data available]
- Author(s): Fisher, F.S., McIntyre, D.H., and Johnson, K.M.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-1819
- Publication Date: 1992
- Map Scale: 1:250,000
- Cross Section: Yes
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* See base map disclaimer below
Additional Resources
- Links and Downloads:
- Publication (includes original ARC/INFO version 7.1.1 GIS data)
- Shapefile version (created by NGMDB, Aug., 2023)
- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.