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1981 Map of Lincoln Peak

Name: 1981 Topographic Map of Lincoln Peak
Creator: U.S. Geological Survey
Published: 1981
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1981

About this map

Industrial activity and water resources define this corner of the Fort Hall Indian Reservation in Idaho. The prominent footprint of the Gay Mine dominates several sections, showing extensive excavation areas and access infrastructure like the Union Pacific railroad line and a dedicated Landing Strip. These features reflect the mid-to-late 20th-century phosphate mining operations that once operated on Shoshone-Bannock tribal lands.

Beyond the industrial zones, the landscape rises into the Portneuf Range, anchored by Lincoln Peak. The hydrology of the area is intricate, with numerous named water sources such as Lincoln Peak Spring, Queedup Spring, and the Portneuf River. In the southern portion, Twitchell Meadow sits near the headwaters of Ross Fork, highlighting the diverse terrain from high peaks and deep canyons like Bakers Canyon to fertile lowland springs.