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1970 Map of Onion Springs

Name: 1970 Topographic Map of Onion Springs
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

Onion Springs and the surrounding high-desert terrain of Sublette County appear here as a landscape defined by ranching infrastructure and water management. Recorded by the U.S. Geological Survey in 1970, the map details an intricate network of irrigation and livestock improvements, including the Lindback Ditch, Killpecker Ditch, and Hope Ditch. These man-made channels divert water across the drainage basins of North Cottonwood Creek and South Cottonwood Creek, supporting isolated reservoirs like the Elaines Detention Reservoir and Antelope Coyote Reservoir.

The presence of numerous wells, such as the Round Valley Well and Jewett Allot Well, alongside a sparse network of Jeep Trails, underscores the remote, functional nature of this grazing land. Topographic features like Aspen Ridge and Ryegrass Draw provide natural boundaries to these agricultural efforts, while the inclusion of a Radio Tower and Drill Hole point to the modernizing utility of the late 20th-century frontier.