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1989 Map of Tunnison Mountain
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1989 Map of Tunnison Mountain

USGS Topo · Published 1989

About this map

Horse Lake Mountain and Tunnison Mountain dominate this corner of Lassen County, where the high desert terrain meets the water management systems of the late twentieth century. In the low-lying Willow Creek Valley, the landscape is defined by engineered hydrology, notably seen in the Road on Levee and the presence of several catchment basins. The map identifies Gerrish as a focal point for local settlement or operation in an area otherwise characterized by springs and canyons. Water resources are carefully documented through features like Hagata Reservoir, Streshley Reservoir, and Antmas Spring. Small-scale industrial activity is evidenced by a Borrow Pit located near Morton Reservoir, while the inclusion of multiple Rock wall notations suggests historic property boundaries or livestock enclosures common to the region's ranching heritage.

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Map Details

Date Portrayed1989
Date Published1989
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.4 x 26.6 inches

Editions of this 1989 Tunnison Mountain Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Lassen County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain