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1975 Map of Prospect Peak SE, 1981 Print
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1975 Map of Prospect Peak SE

USGS Topo · Published 1981

About this map

The stark volcanic landscape of the southern Cascades is captured in high detail on this 1975 orthophotoquad. Centered on the unmistakable symmetry of Cinder Cone, the imagery reveals the massive lava flows that once dammed the valley to create Snag Lake. This visual record from the mid-1970s provides a clear view of the geologic transition between the high summits of Prospect Peak and Fairfield Peak and the low-lying waters below. The overhead perspective allows for a precise study of forest cover and volcanic debris patterns before decades of subsequent ecological shifts, making it a valuable resource for tracing the natural history of this specific California wilderness.

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Map Details

Date Portrayed1975
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1975 Prospect Peak SE 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