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1990 Map of Crank Mountain

Name: 1990 Topographic Map of Crank Mountain
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Modoc National Forest encompasses this high-elevation landscape, where volcanic features and seasonal water sources dictate the layout of the land. The presence of the Little Lavas in the northwest and prominent rises like Webb Butte and Fleener Butte illustrate the geologic character of the region during the late twentieth century. Essential water management for the area is marked by Courtright Reservoir and Webb Flat Reservoir, alongside natural basins like Upper Mud Lake and Mud Lake.

Administrative and recreational use is centered around the Happy Camp FS Station, located near Happy Camp Spring. The map documents a network of service roads and trails connecting various level clearings, such as Sand Flat, Hess Flat, and Keeney Flat, which break up the wooded terrain. These features, along with Crank Mountain itself, provide a clear record of the forest's topographic and infrastructure profile as it stood in the late 1980s.