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2021 Map of De Grey NW

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

USGS Topo · Published 2021

About this map

Medicine Knoll dominates the northwestern corner of this Hughes County landscape, where the high plains break into a network of seasonal drainages and prairie potholes. This 2021 topographic record reveals a strictly organized section-line grid of rural roads, including Runge Rd and Dixon Rd, which provide access to the vast ranchlands and agricultural tracts characteristic of central South Dakota.

The drainage patterns of Medicine Knoll Creek and Dehart Draw illustrate the subtle hydrology of the region, where water flows are often ephemeral but define the contours of the land. The map traces the intersection of township and range lines across modern rural infrastructure like Co Rd 652 and Co Rd 205, documenting the persistent geometry of the Public Land Survey System in an era of digital precision.