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1985 Map of Farallon Islands
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1985 Map of Farallon Islands

USGS Topo · Published 1985

About this map

The Farallon Islands emerge from the Pacific Ocean in this mid-1980s planimetric study, documenting the maritime boundaries and landforms off the coast of San Francisco Co. This map emphasizes the isolation of the archipelago, dominated by the Farallon National Wildlife Refuge and the State Game Refuge. The cartography details specific rocky outcrops including North Farallon, Middle Farallon, and the primary landmass at Southeast Farallon. A specialized Coast Guard Reservation is noted on the islands, highlighting their historical and ongoing importance for coastal navigation and surveillance. The inclusion of offshore protraction survey data, shown as a grid across the Gulf of the Farallones, reflects the era's focus on maritime resource management and boundary definition near Noonday Rock.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions41 x 24.2 inches

Editions of this 1985 Farallon Islands Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain