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2017 Map of Dry Coulee

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

USGS Topo · Published 2017

About this map

The Missouri River carves a winding path through this central Montana landscape, where the border between Phillips and Petroleum counties is defined by the river's channel. This 2017 survey shows the eastern reaches of Fort Peck Lake and the intricate drainage system of the surrounding breaks. Local history is etched into the terrain through features like the Old Musselshell Trl, an early transport route traversing the southern sections near Fisher Coulee.

Water management is central to this arid region, evidenced by the Big-Rock Reservoir and Timber Pit Reservoir situated north of C K Ridge. The map identifies numerous named ravines, including Garrit Schoolhouse Coulee and Dry Coulee, which suggest the historic locations of rural infrastructure and seasonal water sources. The topography is characterized by high ridges and deep coulees like Nichols Coulee and Hay Coulee, illustrating the erosional patterns common to the Missouri River breaks.