National Geologic Map Database
General Information
- Title: GIS Data for Geologic Map of the Challis 1 x 2 Degrees Quadrangle, Idaho [see map in Fisher and others, 1992]
- Author(s): Larkin, E.M., Horton, J.D., and San Juan, C.A.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Data Release
- Publication Date: 2021
- Map Scale: 1:250,000
- Cross Section: None
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* See base map disclaimer below
Additional Resources
- Links and Downloads:
- Publication
- 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.