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1997 Map of Four Corners Rock, 2001 Print
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1997 Map of Four Corners Rock

USGS Topo · Published 2001

About this map

Bolly Ridge and Jones Ridge dominate this high-elevation landscape where the Six Rivers National Forest meets the Mendocino National Forest. At the time of this late-twentieth-century revision, the area remained a strictly managed wilderness, protected as the Yolla Bolly-Middle Eel Wilderness. Within this complex terrain, isolated points of human activity are documented, including the Travis Ranch and Vann Cabin, which provide evidence of the region's ranching and seasonal history. The drainage network is clearly defined by the Mad River and the Middle Fork Eel River, while localized industrial history is noted at the Trout Creek Mine (Site) and Blue Jay Mine (Site). Landmarks such as Four Corners Rock and Big Butte serve as primary navigational points in a terrain defined by steep ridges and secluded basins like Clarks Basin.

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Map Details

Date Portrayed1997
Date Published2001
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.4 x 26.8 inches

Editions of this 1997 Four Corners Rock 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