1979 Map of Grouse Mtn, 1985 Print
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1979 Map of Grouse Mtn

USGS Topo · Published 1985

About this map

Six Rivers National Forest dominates this section of the Humboldt and Trinity county line, a landscape defined by sharp ridges and seasonal camps. The northern peaks are anchored by Horse Mountain and its namesake Horse Mtn Mine, while the southern reaches rise toward Spike Buck Mtn and the Grouse Mtn Lookout Tower. The terrain is marked by isolated outposts and family-named landmarks, such as the McMillion Cabin, James Place, and the Bartlett Ranch near the southern boundary. Steep drainages like Madden Creek and Willow Creek carve through the forest, connecting remote locations like Friday Camp and Ammon Station. This 1970s survey captures a moment when resource management and forestry infrastructure, including the Friday Ridge Road and numerous jeep trails, provided the primary access to these remote high-elevation settlements.


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Map Details

Date Portrayed1979
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21 x 26.8 inches

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Source Details

CopyrightPublic Domain