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1955 Map of Lake John

Name: 1955 Topographic Map of Lake John
Creator: U.S. Geological Survey
Published: 1963
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1963

About this map

High-altitude ranching and water management define this mid-century view of the North Park basin. Lake John and Alkali Lake dominate the central landscape, surrounded by an intricate network of irrigation channels like the Bighorn Cattle Company Ditch, Legal Tender Ditch, and Ulrich Ditch. These diversions from the North Platte River and its North Fork highlight the intensive water engineering required to support agricultural operations in this environment.

Settlement is sparse, represented by established family holdings such as Brands Ranch and Wattenberg Ranch. The geography transitions from the flat lake beds to the rising slopes of Sheep Mountain in the southwest corner. Other topographic features, including California Gulch and Mansfield Draw, suggest the seasonal drainage patterns typical of the Colorado high country before modern development changed these rural corridors.