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1910 Map of Jensen

Name: 1910 Topographic Map of Jensen
Creator: U.S. Geological Survey
Published: 1910
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1910

About this map

Ashley Valley serves as the focal point for settlement in this 1907 reconnaissance survey of the High Uinta basin and the Colorado-Utah border. The hub of Vernal sits at the center of a developing grid, while the Green River carves a dramatic path through Split Mountain Canyon to the north. This survey documents the early transportation network of the era, specifically identifying two river ferries near the settlement of Jensen and the Dragon Stage Road heading south.

Industrial and geological markers are evident at Asphalt Ridge and along the striking geological feature known as The Rim Rock. The map illustrates a landscape of high plateaus and deep canyons where the Yampa River and White River converge toward the Green. Further east, the Boundary Line separates Utah from the Colorado counties of Routt and Rio Blanco, marking isolated outposts like the K Ranch.