Features of San Francisco Bay: From River Valley to Estuary

Features of San Francisco Bay: From River Valley to Estuary , Figure 7

Map of the S.F. Bay area at 20,000 years, during the last major glacial period. The coastline was close to the present 120-m bathymetric contour and areas to the east were exposed above sea level.

Source: San Andreas Fault and Coastal Geology, from Half Moon Bay to Fort Funston-Crustal Motion, Climate Change, and Human Activity by Andersen D., Sarna-Wojcicki, A., Sedlock, R. (2001). In: Stoffer, Philip W. and Gordon, Leslie C. 2001 (eds.). Geology and Natural History of the San Francisco Bay Area, A Field-Trip Guidebook. U.S. Geological Survey, Bulletin 2188. Field Trip 4, pp. 87-104. (Fig. 4.5)

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updated April 3, 2002