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1991 Map of Onion Butte
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1991 Map of Onion Butte

USGS Topo · Published 1991

About this map

Lassen National Forest terrain dominates this 1991 provisional survey, which highlights the complex drainage systems and high-altitude landmarks of Tehama County. The landscape is centered on the prominent Colby Mountain and the high point of Onion Summit, with the Colby Lookout Tower providing a strategic vantage point for fire management. The map details a dense network of watercourses, including the steep descents of Deer Creek and Mill Creek, where vertical drops are marked by Deer Creek Falls and Lower Deer Creek Falls.

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Map Details

Date Portrayed1991
Date Published1991
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1991 Onion Butte 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