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2021 Map of Riley Ridge, 2021 Print
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2021 Map of Riley Ridge

USGS Topo · Published 2021

About this map

Mendocino National Forest defines the character of this landscape in Tehama County, where a complex network of high ridges and deep canyons directs the flow of the Sacramento Valley watershed. The terrain is marked by prominent elevations such as Riley Ridge, Raglin Ridge, and Eagle Peak, which served as critical points for fire observation and backcountry navigation. This 2021 survey documents the established forest road system, including the Paskenta-Eel River route and the Valentine Ridge Cold Springs Rd, reflecting the modern management of these timberlands. For researchers, the map identifies specific high-altitude landmarks like Whiskey Saddle, Henderson Glade, and Beehive Flat, along with water sources such as Government Spring. The convergence of Mill Cr and Digger Cr highlights the drainage patterns that have shaped the local topography for generations.

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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2021 Riley Ridge 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