2012 Map of Onion Valley, 2012 Print
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2012 Map of Onion Valley

USGS Topo · Published 2012

About this map

Middle Fork Feather River carves through this Plumas County terrain, punctuated by gravel bars that recall the region's mining heritage. Historically significant river landings and flats like Rich Bar, Minerva Bar, and McCarthy Bar line the waterway, while upland features such as Sawmill Flat and Sawpit Flat suggest the early timber and milling industries. The southern portion is defined by the S Fork Feather River and the high elevation of Gibsonville Ridge. Local roads such as La Porte Rd and Cleghorn Bar Rd connect the remote settlements of Onion Valley and its namesake Onion Valley Reservoir. From the heights of Fowler Peak to the waters of Delahunty Lake, the map provides a contemporary view of a landscape steeped in California's resource-extraction history.


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Map Details

Date Portrayed2012
Date Published2012
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2012 Onion Valley Map

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


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Source Details

CopyrightPublic Domain