Map showing shorelines off of the Golden Gate from 18,000 years ago (18ka) to present, and the associated amount the sea was lower than present in meters (m).
Image courtesy of the U.S. Geological Survey
Last updated: February 28, 2015
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Contact Info
Mailing Address:
201 Fort Mason
San Francisco,
CA
94123
Phone:
415-561-4323
Phone is answered daily from 10 am to 5 pm. Leave a message otherwise and we will get back to you.
United States Park Police Dispatch:
Non-Emergency: 415-561-5505
Emergency: 415-561-5656
