Changing Landscapes, Slide 3
Source: Geology of the Golden Gate Headlands by Elder, W., (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, http://geopubs.wr.usgs.gov/bulletin/b2188/. Field Trip 3, pp. 61-86, Figure 3.2.
updated April 3, 2002
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