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1955 Map of Mount Zirkel

Name: 1955 Topographic Map of Mount Zirkel
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

Slavonia serves as the primary human touchpoint in this 1955 survey of the high-country landscape where the Continental Divide meets the Park Range. The terrain is defined by a series of dramatic peaks including Mount Zirkel, Big Agnes Mountain, and the serrated ridge of the Sawtooth Range. This high-altitude environment is characterized by numerous glacial basins, such as Mica Basin and Fryingpan Basin, which feed the headwaters of the North Fork Elk River and the South Fork Elk River.

A network of historical backcountry routes, including the Wyoming Trail and Grizzly Helena Trail, reveals the traditional movement patterns through Routt National Forest. These trails link remote alpine water bodies like Three Island Lake, Gilpin Lake, and Bighorn Lake, providing a clear record of the area's geography before later development. The map also highlights natural passes such as Red Dirt Pass and Ute Pass, essential crossings for those traversing the divide between Jackson and Routt counties.