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2011 Map of Split Rock Lake

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

USGS Topo · Published 2011

About this map

The Sun River winds through this section of Lewis and Clark County, defining a landscape shaped by both natural drainage and agricultural engineering. Central to the area's water management is the Pishkun Canal, which connects several water bodies including Pishkun Reservoir and Split Rock Lake, the latter held by the Split Rock Lake Dam. These irrigation features provide the necessary resources for local cattle operations and homesteads found throughout the territory.

Legacy ranching sites such as Stetler Ranch, Frazier Ranch, and Carlson Ranch are positioned near local water sources like Deep Creek and Battle Creek. The terrain is characterized by distinct coulees and ridges, with Oxheart Coulee and Arnold Coulee cutting through the plains while Long Ridge rises to the north. To the southwest, Alkali Flat and Black Reef mark shifts in the soil and elevation, illustrating the varied geography of this rural Montana corridor.