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1958 Map of Monarch Lake

Name: 1958 Topographic Map of Monarch Lake
Creator: U.S. Geological Survey
Published: 1960
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1960

About this map

Monarch Lake and the high alpine terrain of the Continental Divide define this 1958 survey along the boundary of Arapaho National Forest and Roosevelt National Forest. The map documents the high-altitude industrial and recreational landscape of Grand County and Boulder County, featuring the High Lonesome Mine and the Fourth of July Mine. These sites reflect the region's mining history, while the network of trails—including the Buchanan Pass Trail and Arapaho Pass Trail—points to the growing importance of mountain recreation.

Glacial activity is prominently recorded through features like the Arapaho Glacier, Isabella Glacier, and Fair Glacier, highlighting a landscape shaped by ice and water. Small back-country sites such as Shelter Rock Campground and Crater Lake Campground are mapped alongside remote water bodies like Lake Dorothy and Columbine Lake, providing a precise look at the wilderness character of the Front Range during the late 1950s.