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1943 Map of Duncans Mills, 1956 Print
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1943 Map of Duncans Mills

USGS Topo · Published 1956

About this map

The Russian River winds through a complex series of bends and coastal canyons in this early 1940s survey of western Sonoma County. This era captures a landscape of seasonal camps and established riverside communities, where Duncans Mills and Monte Rio serve as focal points for the winding rail and road corridors of the canyon floor. The transition from the inland redwood forests to the Pacific coastline is marked by a series of prominent coastal features, including Penny Island at the river's mouth and the distinctive Arched Rock. Rural life in the surrounding uplands is anchored by family-named landmarks like Little Buckhorn Ranch and educational outposts such as Ocean District Sch. The map preserves the exact placement of local infrastructure before modern development, detailing individual structures and secondary roads like Coleman Valley Road that connected these coastal ridges.

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Map Details

Date Portrayed1943
Date Published1956
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1943 Duncans Mills Map

Historical Maps of Villa Grande Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain