STS059-L13-137 Canyon Ferry Lake, Elkhorn Mountains, and Big Belt Mountains, Montana, U.S.A. April 1994
Canyon Ferry Lake on the Missouri River is prominent in this southeast-looking, low-oblique photograph. The Missouri River meanders generally northward from Three Forks (not discernible) where it begins its journey toward St. Louis, Missouri, and enters Canyon Ferry Lake (center of the photograph). West of the lake are the Elkhorn Mountains, a much faulted and tightly folded complex range, and to the east are the northwest-southeast-trending Big Belt Mountains, composed mainly of Precambrian sedimentary rocks. Not discernible in this photograph are Helena, west of Canyon Ferry Lake at the northern base of the Elkhorn Mountains, and Butte, near the southwestern base of the Elkhorn Mountains.
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