Join Free
1958 Map of East Portal, 1961 Print
Loading...
Loading map...

1958 Map of East Portal

USGS Topo · Published 1961

About this map

The Continental Divide serves as the backbone of this high-altitude survey, marking the boundary between the Arapaho National Forest to the west and the Roosevelt National Forest to the east. At the lower elevations, the East Portal of the Moffat Tunnel stands as a critical piece of infrastructure for the Denver and Rio Grande Western railroad, providing passage through the formidable Front Range. The landscape is dotted with high-alpine water bodies such as Jasper Lake, Forest Lakes, and the Crater Lakes, many of which feed into South Boulder Creek. Higher peaks like Chittenden Mtn and Mt Epworth dominate the skyline, while specialized structures like the CAA Radiobeacon near Rollins Pass and the Skyscraper Reservoir suggest the various ways this wilderness was used for navigation and water management in the late 1950s.

Find a feature on this map

56 named features on this map. Tap any name to fly to it.

Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.

Map Details

Date Portrayed1958
Date Published1961
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.2 x 26.9 inches

Editions of this 1958 East Portal Map

Historical Maps of Diamond Lake Campground Through Time

181 maps found

Featured Locations

Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain