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1944 Map of Arched Rock
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1944 Map of Arched Rock

USGS Topo · Published 1944

About this map

The Russian River meets the coastline in this wartime survey, where the rugged topography of the Muniz grant descends toward the Pacific Ocean. This coastal stretch is defined by prominent seafaring landmarks like Arched Rock and Goat Rock, while the interior terrain rises sharply toward the summit of Little Black Mountain. The drainage pattern is intricate, with Timber Gulch and Dry Creek carving deep paths through the hills. Three distinct tributaries — the West Branch, Middle Branch, and East Branch — converge to feed the local waterways. The map highlights a sparsely populated era of the Sonoma coast, focused on the natural transition from the high timbered ridges to the hazardous offshore hazards such as the 3/10 Mile Rocks.

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Map Details

Date Portrayed1944
Date Published1944
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31680
Physical Dimensions17.7 x 20.9 inches

Editions of this 1944 Arched Rock Map

Historical Maps of Sonoma County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain