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1942 Map of Mile High Lakes

Name: 1942 Topographic Map of Mile High Lakes
Creator: U.S. Geological Survey
Published: 1942
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1942

About this map

Agricultural development and water management define this High Plains landscape east of the Rockies, where a complex network of man-made waterways supports the region's ranching economy. The Barr Lake (Reservoir) dominates the western edge, feeding into an intricate system of gravity-fed irrigation channels including the Hudson Canal, East Burlington Canal, and the Denver-Hudson Canal. These engineering works transformed the naturally arid terrain around Third Creek and Grass Valley Creek into productive land for family operations like the Miliken Ranch, Patton Ranch, and Chapman Ranch.

Rail transport provided the essential link to external markets, with the Chicago Burlington and Quincy RR cutting across the northwestern corner. The presence of Klink Siding suggests a vital loading point for local produce or livestock. Numerous smaller impoundments such as Bowles Reservoir No 2 and Calhoun Res dot the topography, illustrating the fine-grained control of water resources required to sustain life and industry in early 1940s Adams County.