National Geologic Map Database
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
- North Latitude: 38° 15' 0" N (38.2500)
- South Latitude: 37° 45' 0" N (37.7500)
- East Longitude: 122° 15' 0" W (-122.2500)
- West Longitude: 122° 58' 41" W (-122.9780)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.