National Geologic Map Database
General Information
- Title: Geologic map and map database of parts of Marin, San Francisco, Alameda, Contra Costa, and Sonoma Counties, California
- Author(s): Blake, M.C., Graymer, R.W., Jones, D.L., and Soule, Adam
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-2337
- Publication Date: 2000
- Map Scale: 1:75,000
- Cross Section: None
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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 (created by NGMDB, Oct., 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.