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National Geologic Map Database

General Information

  • Title: Geologic map and map database of northeastern San Francisco Bay region, California -- most of Solano County and parts of Napa, Marin, Contra Costa, San Joaquin, Sacramento, Yolo, and Sonoma Counties
  • Author(s): Graymer, R.W., Jones, D.L., and Brabb, E.E.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-2403
  • Publication Date: 2002
  • Map Scale: 1:100,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.