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1949 Map of Gypsum Gap
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1949 Map of Gypsum Gap

USGS Topo · Published 1949

About this map

The Atomic Energy Commission appears in the margin of this 1949 topographic study, signaling the era's focus on uranium and mineral resources in San Miguel County. The landscape is dominated by the broad Gypsum Valley and the neighboring Disappointment Valley, separated by a narrow passage at Gypsum Gap. Mining activity is evident along the valley slopes, with clusters of workings such as the Long Ridge Mines, Bald Eagle Mines, and Pitchfork Mines located near the water sources of Gypsum Creek. The presence of several Dams and water features like Larson Spring and a Flume illustrates the critical management of water for industrial and livestock use in this arid basin environment. Sparse infrastructure, mostly unimproved dirt roads, connects these remote mining operations to the surrounding plateau.

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Map Details

Date Portrayed1949
Date Published1949
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.3 x 26.9 inches

Editions of this 1949 Gypsum Gap Map

Historical Maps of San Miguel County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain