National Geologic Map Database
General Information
- Title: Geologic and structure maps of the Wallace 1 degree x 2 degrees quadrangle, Montana and Idaho [updated GIS data available]
- Author(s): Harrison, J.E., Griggs, A.B., and Wells, J.D.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-1509-A
- Publication Date: 1986
- 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 7.x GIS data)
- Shapefile version (converted by NGMDB, Mar., 2024 )
- 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.