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1967 Map of Twin Mountains, 1980 Print
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1967 Map of Twin Mountains

USGS Topo · Published 1980

About this map

Rio Grande National Forest defines this high-elevation landscape in Saguache County, where the southern reaches of the La Garita Mountains meet the San Luis Valley's edge. This 1967 field check documents a wilderness shaped by livestock and water management, evidenced by the prominent Stock Driveway and a network of named springs like Usevia Springs and Sunday Spring. The terrain is characterized by geological landmarks such as the Natural Arch and the namesake Twin Mountains, rising above a complex system of drainages including Old Woman Creek and Little La Garita Creek. While largely protected forest land, the map records industrial potential through several Prospects located in the southwestern quadrant. The lack of improved roads and the reliance on a Jeep Trail or Pack Trail underscore the area's isolation and its primary role as a rugged watershed and grazing range during the mid-20th century.

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Map Details

Date Portrayed1967
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 27.3 inches

Editions of this 1967 Twin Mountains Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain