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2024 Map of Rocky Lake

Name: 2024 Topographic Map of Rocky Lake
Creator: U.S. Geological Survey
Published: 2024
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2024

About this map

Rocky Lake lies at the heart of this high plains landscape in Chouteau County, Montana. The terrain is defined by the deep incisions of the Missouri Wild and Scenic River in the northwest, which gives way to the broad drainage systems of Smith Coulee and Barrel Spring. The topography transitions from the dramatic breaks near the river to the high plateau punctuated by the prominent summit of Round Top.

The road network, including the Missouri Breaks Loop and O'Hanlon Coulee Rd, suggests a remote ranching or agricultural layout typical of the Big Sky country. Researchers can trace the path of Twin Lakes Rd as it moves south toward the lake, providing a clear look at the township and range survey lines that organized this part of the state. The contrast between the river's rugged edge and the open lake basin highlights the varied hydrological features that dictated settlement patterns in this part of north-central Montana.