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1987 Map of Lima

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

USGS Topo · Published 1987

About this map

The Union Pacific railroad corridor and Interstate 15 define the human geography of this high-altitude landscape, following the path of the Red Rock River through the heart of Beaverhead County. The settlement of Lima serves as a central hub, flanked by the smaller stations of Dell and Monida, the latter perched near the Montana-Idaho state line. This 1987 map illustrates the transition from the wide Centennial Valley to the surrounding peaks of the Tendoy Mountains and Snowcrest Range.

Water management is a primary feature of the region, anchored by the Clark Canyon Reservoir in the north and the Lima Reservoir further south. These reservoirs, alongside numerous named drainages like Sourdough Creek and Sage Creek, support the ranching economy of the high plains. High up in the Blacktail Mountains, the Silver Queen Mine points to the area's mineral history, while large tracts of the Beaverhead National Forest and the Blacktail State Game Management Area reflect the dominance of public land management in the late 20th century.