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1952 Map of Sioux Pass

Name: 1952 Topographic Map of Sioux Pass
Creator: U.S. Geological Survey
Published: 1953
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1953

About this map

The Big Horn Mountains dominate this high-altitude terrain in Natrona County, where the landscape is defined by its deep drainage networks and dramatic topographical shifts. In the early 1950s, this area remained largely remote, anchored by the Welby Ranch in the southern reaches. The map details the complex system of waterways feeding the region, including Bear Creek, Trout Creek, and Clear Creek, which carve through the steep elevations.

Strategic passage through these peaks is marked by Sioux Pass and the historic Bighorn Trail, providing a clear view of the primary transit routes used before modern infrastructure. Notable landmarks like the Devils Slide and the headwaters of Sioux Creek offer specific points of interest for those studying the physical history of the range. The survey reflects a moment when the Missouri River Basin development program prompted detailed mapping of these northern Wyoming uplands.