1916 Map of Mare Island, 1947 Print
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1916 Map of Mare Island

USGS Topo · Published 1947

About this map

The northern reaches of San Pablo Bay meet an intricate network of sloughs and tidal marshes where the Napa River and Sonoma Creek discharge into the estuary. This early twentieth-century survey captures the industrial and agricultural interface of the North Bay, anchored by the substantial urban footprint of Vallejo and the adjacent Mare Island Str. naval presence. The landscape is a puzzle of low-lying islands, including Island No 1, Island No 2, and Knight Island, separated by winding waterways like Dutchman Slough and China Slough.


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Map Details

Date Portrayed1916
Date Published1947
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.7 x 20.7 inches

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Source Details

CopyrightPublic Domain