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2012 Map of Duncans Mills

Name: 2012 Topographic Map of Duncans Mills
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Duncans Mills serves as a central hub on this survey, where the winding Russian River meets the confluence of Austin Cr. The landscape transitions from the coastal bluffs of the Pacific to the deeply incised gulches and ridges of the interior, including Hogback and Red Hill. The settlement pattern reflects a mix of riverside communities like Villa Grande, Guernewood, and Monte Rio, alongside established agricultural and recreational sites such as Bull Barn Ranch and the Willow Creek Environmental Campground.

Genealogists and local researchers can trace historic property boundaries and community sites including the Duncans Mills Cem and the former school site at Schoolhouse Gulch. Significant coastal landmarks like Duncans Landing and Goat Rock anchor the western edge of the map, while the interior is marked by numerous named gulches and camps, including Saint Joseph Camp and the Petaluma Boy Scout Camp, illustrating the area's long-standing role as a destination for seasonal residence and outdoor activity.