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1985 Map of Piute Knoll
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1985 Map of Piute Knoll

USGS Topo · Published 1985

About this map

Uranium and vanadium mining define the industrial character of this landscape along the border of San Juan County, Utah, and San Miguel County, Colorado. In the mid-1980s, the area was a hub of subsurface activity, centered on operations like the Silver Bell Mine, Deremo Mine No 1, and the Snyder Mine. These sites are clustered around the dramatic drop-offs of Summit Canyon and Wildhorse Canyon, where specialized infrastructure including numerous Air Shafts and a dedicated Substa supported deep extraction efforts.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.8 x 26.7 inches

Editions of this 1985 Piute Knoll Map

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

Historical Maps of San Miguel County Through Time

434 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain