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2011 Map of Lima Dam

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

USGS Topo · Published 2011

About this map

Lima Reservoir and the headwaters of the Red Rock River dominate this high-elevation landscape in Beaverhead County. The hydrology of the Centennial Valley is defined by the containment of the river at Lima Dam and the secondary Peru Dam, which manage water flow across this expansive basin. The surrounding terrain is marked by a network of drainage systems, including Shineberger Creek and Express Creek, which descend from higher elevations toward the valley floor.

Transportation through this isolated ranching and water-management region is limited to essential corridors like Lima Dam Rd and Blacktail Rd. To the north, the Clover Divide serves as a significant topographic break, separating the valley from the northern drainage basins of Clover Creek and the West Fork Blacktail Deer Creek. This survey captures the critical infrastructure required to sustain the agricultural and hydrological systems of southwest Montana in the early twenty-first century.