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1987 Map of Corrigan Mountain

Name: 1987 Topographic Map of Corrigan Mountain
Creator: U.S. Geological Survey
Published: 1987
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1987

About this map

The Bearpaw Mountains dominate this high-plains landscape in Blaine County, where volcanic peaks rise sharply above the northern Montana prairie. Corrigan Mountain serves as a central topographical anchor, surrounded by a complex system of drainages including the South Branch Peoples Creek and Peoples Creek. This provisional survey illustrates a remote ranching or conservation environment defined more by its water sources and terrain than by permanent human settlement.

Surface water is critical in this arid range, marked by numerous unnamed Spring labels and the seasonal flow of Gap Creek and Hedges Creek. A single Pipeline cuts across the northern section, indicating the modern industrial infrastructure that traverses this otherwise open territory. Notable geological features such as Bird Tail Butte and the broad Prairie Gulch provide distinct landmarks for those navigating the transition from mountain foothills to the high plains.