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1942 Map of Carquinez

Name: 1942 Topographic Map of Carquinez
Creator: U.S. Geological Survey
Published: 1942
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1942

About this map

Carquinez Strait serves as the central artery for this 1942 industrial and maritime landscape, where the waters of Suisun Bay meet the deep-water ports of Solano and Contra Costa Counties. The map documents a critical period of regional infrastructure, anchored by the Carquinez Toll Bridge and a dense network of railroads including the Southern Pacific and the San Francisco and New Orleans Line. Coastal industrial hubs like Vallejo, Benicia, and Martinez are shown in high detail, alongside specialized company towns and landings such as Tormey, Avon, and Seal Bluff Landing.

Beyond the waterfront, the terrain rises toward Sulphur Springs Mountain and Elkhorn Peak, revealing a more rural character with the Green Valley School and early recreational spaces like Blue Rock Springs Park. The expansive marshlands to the east, including Joice Island and Grizzly Island, are intricately mapped with a labyrinth of sloughs and landings that supported the region's hunting and waterborne trade before further modern development.