Beach lines from variations on the level of Glacial Lake Missoula can be seen on the sides of Mt. Jumbo in Missoula Montana.

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Photo credit: © Environmental Stock Images by Streeter Photography / Alamy / Afripics
License: Licensed
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Keywords: blue, clouds, daytime, evidence, floods, floodwaters, formations, geologic, geology, glacial, glaciers, hill, historical, history, jumbo, lines, missoula, montana, mount, mountain, mt., outdoors, science, shorelines, sky, usa, western