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1989 Map of Mount Phelps
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1989 Map of Mount Phelps

USGS Topo · Published 1989

About this map

Snoqualmie National Forest and the Alpine Lakes Wilderness dominate this high-elevation landscape, where resource extraction and water management intersect. The map documents a rugged industrial history through the presence of the Damon Mine, Apex Mine, and the Prospect Mill situated along the steep ridges. Central to the area's modern infrastructure is the South Fork Tolt Watershed, which feeds into the South Fork Tolt Reservoir. The terrain is marked by significant peaks such as Mount Phelps and Bare Mountain, while a network of glacial lakes including Loch Katrine and Lake Elizabeth dot the basins. The existence of a Toll Road near the reservoir and several gaging stations underscores the managed nature of this wilderness area at the end of the 1980s.

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Map Details

Date Portrayed1989
Date Published1989
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.2 x 27 inches

Editions of this 1989 Mount Phelps Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain