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2020 Map of Dunn Mountain South

Name: 2020 Topographic Map of Dunn Mountain South
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Dunn Mtn rises above the transition zone between Yellowstone and Musselshell counties, anchoring a landscape defined by an intricate network of drainage systems. The northern portion of the map is marked by the distinct elevation of Red Bluff, while the complex hydrology of the region is traced through the winding paths of Pompeys Pillar Cr and its primary tributary, the W Fork Pompeys Pillar Cr. These waterways, along with others like Railroad Cr and Churn Dash Cr, reveal the natural erosion patterns that have shaped this portion of the Montana plains.

Local navigation follows established routes such as Marsh Rd and Pfister Rd, which cross the township and range lines of the Public Land Survey System. The presence of numerous named springs, including 06N27E29AAA_01 Spring and 05N27E13BAA_01 Spring, underscores the critical importance of reliable water sources for ranching and land management in this arid environment during the early 21st century.