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1968 Map of Twelvemile Knoll

Name: 1968 Topographic Map of Twelvemile Knoll
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

The high-desert landscape of Sweetwater County is marked by a deep historical legacy of westward migration, clearly visible on this 1968 survey. The Emigrant Trail traverses the northern section of the map, specifically showing the Sublette Cutoff, a vital route used by pioneers to bypass the Green River crossing and shave distance off the Oregon and California Trails. This historic path runs parallel to the modern Lincoln Sweetwater Road, illustrating the persistence of transportation corridors through this arid terrain.

Industrial activity in the late 1960s is evidenced by resource extraction features scattered across the area. Named landmarks such as Twelvemile Knoll and the winding Twelvemile Canyon provide topographical context for several utility sites, including Little Colorado Well No 9, Little Colorado Well No 10, and a solitary Drill Hole. These labels reflect a mid-century period of exploration and livestock water management in the Wyoming backcountry.