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1967 Map of Platoro, 1972 Print
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1967 Map of Platoro

USGS Topo · Published 1972

About this map

The high-altitude mining and water infrastructure of the San Juan Mountains defines this 1967 survey. Summitville and the settlement of Platoro serve as the primary human anchors in a landscape dominated by the Rio Grande National Forest. The map documents critical extraction and transit history through features like the Mammoth Revenue Mine, Chandler Tunnel, and French Tunnel. The Continental Divide winds through the western half, intersected by the Continental Divide Trail and high passes such as Elwood Pass and Silver Pass. Water management is prominent at the Platoro Reservoir, where a Gatehouse controls the flow, and numerous high-alpine lakes like Lake Annella and Hilman Lake dot the basins. Evidence of early forest management and local shelter appears at the Elwood Guard Sta, McCormick Cabin, and Stunner Cabin.

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Map Details

Date Portrayed1967
Date Published1972
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17 x 21.3 inches

Editions of this 1967 Platoro Map

Historical Maps of Rio Grande County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain