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1990 Map of Timber Knob

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

USGS Topo · Published 1990

About this map

The Strawberry Mine and scattered Prospects signify the extractive history of this high-altitude landscape within the Sierra National Forest. This 1990 provisional survey records a rugged transition between the Ansel Adams Wilderness and the eastern edge of Yosemite National Park. Human activity is concentrated along the southern corridor where Beasore Road provides access to the Clover Meadow Ranger Station and various recreational sites including the Clover Meadow Campground.

A network of alpine water bodies, such as Lillian Lake, Cora Lakes, and the Jackass Lakes, defines the upper basins. These lakes feed the drainage systems of Madera Creek and Norris Creek. The presence of the Chetwood Cabin and several meadows, such as Knoblock Meadow and Jackass Meadow, suggests a history of seasonal grazing or forestry management that preceded the formal wilderness designations of the late twentieth century.