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2011 Map of Pilot Rock

Name: 2011 Topographic Map of Pilot Rock
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

The Missouri River carves a deep path through this section of Chouteau County, creating a landscape defined by significant geologic formations and the drainage systems of the Montana plains. Landmarks such as Pilot Rock, Fortress Rock, and LaBarge Rock stand as prominent navigation points along the river's course, while the White Rocks area indicates the exposed mineral character of the breaks. The intricate network of coulees, including Lonetree Coulee, Cut Bank Coulee, and Coal Mine Coulee, illustrates the erosional forces that have shaped this terrain over millennia.

Evidence of human intervention in this water-dependent environment appears through structures like the Pegar Fish Dam and Otto Silvan Dam. Transport across this sparsely settled territory is facilitated by rural routes such as White Rocks Rd and the Lonetree Trl, which connect the high plateaus and creek beds. This 2011 survey documents a region where the natural geometry of the river and its tributaries remains the dominant influence on the local geography.