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2021 Map of Petaluma River, 2021 Print
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2021 Map of Petaluma River

USGS Topo · Published 2021

About this map

The Petaluma River winds through a complex network of marshes and sloughs along the Sonoma Co and Marin Co border, defining the low-lying landscape between the rising slopes of Burdell Mtn and the uplands near Novato. This 2021 survey illustrates the extensive tidal geography of the region, where named features like Cloudy Bend, Hog Island, and Burdell Island sit amidst a maze of waterways including Donahue Slough, Tule Slough, and Black John Slough. To the north, the city of Petaluma serves as the primary hub, with its suburban reaches extending toward McNear and Haystack. The map clearly delineates the infrastructure supporting the area's movement, from the aeronautical facilities at Gnoss Field to the various roads and landings such as Lakeville that have historically connected these riverfront communities to the interior valleys and the San Francisco Bay beyond.

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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions24 x 29 inches

Editions of this 2021 Petaluma River Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain