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2017 Map of Pompeys Pillar

Name: 2017 Topographic Map of Pompeys Pillar
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

The Yellowstone River and the landmark rock formation of Pompeys Pillar anchor this 2017 study of the Big Sky landscape. This region of Yellowstone County is defined by a sophisticated network of irrigation infrastructure essential for high-plains agriculture, including the Huntley Main Canal and the Reservoir Line Canal. These man-made watercourses follow the natural contours of the land, winding through drainage areas like Smith Coulee and Barley Coulee.

Water management is further evidenced by the Anita Reservoir and Anita Dam in the southwest, which capture seasonal flow from local drainages. The map reveals the intricate intersection of natural hydrology, such as Fly Cr and Lost Boy Cr, with the rectilinear grid of local roads like Pine Ridge Rd and S Pompeys Rd. The southern portion of the map crosses the boundary into Big Horn County, showing the transition into more dissected terrain away from the river valley.