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2015 Map of Downieville

Name: 2015 Topographic Map of Downieville
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

Downieville serves as the focal point of this Sierran landscape, situated at the dramatic confluence where the Downie River meets the North Yuba River. The settlement pattern follows the narrow canyon floors, marked by distinct riverfront areas such as Jersey Flat, Durgan Flat, and Zumwalt Flat. This geography reflects a legacy of hydraulic and hard-rock mining, indicated by features like the Red Dog mine and the Oxford Mill site northwest of the town center.

Beyond the riverbanks, the terrain rises sharply toward ridges and ravines named for early residents and mining claims, including Craycroft Ridge and Old Galloway Ridge. Transportation through these steep divides is facilitated by historic routes like Henness Pass Rd, which skirts the southern portion of the map near Cornish Flat. The map also details the extensive drainage network feeding into the Yuba watershed, from Pauley Cr in the north to Middle Fork Kanaka Cr at the southern boundary.