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1958 Map of Glascock Mtn, 1990 Print
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1958 Map of Glascock Mtn

USGS Topo · Published 1990

About this map

Cache Creek winds through a complex series of ridges and canyons at the convergence of Colusa, Lake, and Yolo Counties. This 1958 field-checked survey reveals a landscape dominated by prominent terrain features such as Cortina Ridge, the Swanson Range, and the distinct elevations of Glascock Mtn. The map documents early-century land use through the presence of Rumsey Rancheria in the southeast and Camp Haswell (BSA) along the creek banks. Several isolated water sources like Little Sulphur Spring and Sulphur Spring are noted throughout the canyons, providing essential landmarks in an area traversed primarily by a Jeep Trail and the Rayhouse Road. The dense network of named canyons, including Brophy Canyon and Lawson Canyon, illustrates a deeply dissected geography once reliant on these specific drainage points for navigation.

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Map Details

Date Portrayed1958
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1958 Glascock Mtn Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain