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2021 Map of J B Hill

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

USGS Topo · Published 2021

About this map

Slim Buttes rises as a prominent landmark within the Custer National Forest, defining a landscape where groundwater and erosion have shaped the high plains of Harding County. This region is characterized by an extensive network of named springs, such as Blarney Castle Spring and Leatherburg Spring, which were essential for ranching operations and wildlife in this semi-arid environment. The distribution of these water sources, including Colonel Spring and Wammen Spring, indicates a reliance on specific points of reliable flow throughout the canyons.

Transportation through the breaks is marked by historic routes like JB Rd and N Divide Rd, which navigate the gaps between formations like Square Top Butte and Red Butte. The map reveals the ranching infrastructure of the early 21st century, from the Rabbit Cr Reservoir to the local drainage systems of Jones Cr and Beaver Cr. These features reflect the enduring importance of natural springs and landform navigation in South Dakota's western ranching country.