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1963 Map of Alexander Mountain

Name: 1963 Topographic Map of Alexander Mountain
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

Libby Dam dominates this 1963 survey of the Montana high country, revised in the early 1980s to show the dramatic transformation of the Kootenai River valley. The construction of the dam created the massive Lake Koocanusa, a reservoir that redefined the local geography by submerging former riverbanks and creating new features like Yarnell Island and the Kootenai Narrows. The purple photorevision markings highlight the development of recreational infrastructure following the dam's completion, including the Cripple Horse Marina and multiple boat ramps.

Beyond the engineered shoreline, the landscape remains defined by the steep timbered slopes of the Kootenai National Forest. Geographic landmarks such as Alexander Mountain and Fleetwood Point overlook a network of drainages including Cripple Horse Creek and Warland Creek. This document captures the intersection of heavy industrial engineering and wilderness management during a period of significant environmental change in Lincoln County.