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2021 Map of Pine Ridge

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

USGS Topo · Published 2021

About this map

The Medicine Bow River winds through this high-altitude landscape in Carbon County, defining the drainage patterns for a series of basins and flats. Settlers and ranchers in this corner of Wyoming utilized an extensive network of irrigation improvements to manage the water, including the Vandiver Ditch in the north and the Thornton Ditch in the southeast. These man-made channels support the grazing lands of Spade Flats and Horne Flats, which sit in the shadow of prominent topographical markers.

Elevated landmarks such as Indian Hill and the geologic formations at Alligator Rock and Bible Rock provide navigational reference points across the rolling terrain. The map also traces the path of Second Sand Cr as it flows toward the central Pine Ridge, while remote water sources like Cronberg Spring and East Allen Lake highlight the critical locations for early local land use and stock management.