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1908 Map of Engineer Mountain, 1942 Print
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1908 Map of Engineer Mountain

USGS Topo · Published 1942

About this map

Denver and Rio Grande RR tracks follow the steep contours of the Purgatory River and Animas River canyons, serving as a vital industrial artery through the San Juan National Forest. The landscape is dominated by high-altitude features like Engineer Mtn and Grayrock Peak, where early transportation routes are marked by the Old Tollgate and the Butler Trail. This area represents a transition from high mountain peaks to the managed waters of Electra Lake, which supports the Power House near Tacoma. Scattered ranching and early settlement footprints appear at Hamon's Ranch and Hermosa Park. The map captures the infrastructure of the late 19th-century mountain economy, including the Flume and railroad stop at Cascade Siding, which were essential for navigating the complex terrain of Coalbank Hill and the Needle Mountains.

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Map Details

Date Portrayed1908
Date Published1942
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.55 x 19.77 inches

Editions of this 1908 Engineer Mountain Map

Historical Maps of Cascade Through Time

166 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain