View of the Entrance to San Francisco Bay showing Alcatraz Island and view of
Cape Mendocino bearing North by compass at 12 miles.
Image ID: cgs05109, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: California, San Francisco
Photo Date: 1851
Credit: NARA C&GS Colllection
Category: Coast and Geodetic Survey/Archive Coastal Views/
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