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2021 Map of Lewis Ranch

Name: 2021 Topographic Map of Lewis Ranch
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

The Lewis Ranch landscape in Laramie County reveals a sophisticated water management system designed for the arid high plains. A complex network of irrigation channels, including the Carey Horse Cr Ditch Number 5 and Carey Horse Cr Ditch Number 9, weave between named topographical depressions like Chivington Draw and Nimmo Draw. These ditches feed several storage points such as Carey Reservoir Number 1 and Number 6 Reservoir, essential for sustaining the cattle ranching operations that have long defined this region.

Transportation corridors follow both modern and historic alignments, with Old Yellowstone Rd and Saddle Up Dr cutting through the western sections. The terrain is marked by seasonal watercourses like Trail Cr and the various numbered Lewis Draw segments, which trace the natural drainage patterns toward Horse Cr. This survey provides a contemporary look at land use in a region where water rights and ranching boundaries dictate the placement of every road and reservoir.