Map of the northern portion of San Francisco County / compiled from survey's, June 1st, 1852, by Clement Humphreys, County Surveyor.
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Relief shown by hachures and spot heights.
Covers area from Point San Bruno northward.
Oriented with north to the left.
San Francisco (Calif.). Office of the County Surveyor.
[San Francisco, Calif. : Office of the County Surveyor]