Photograph of Pompey's Pillar, with blowing cottonwood seeds, on a windy, summer afternoon. Yellowstone County, Montana, USA. This is the only known l

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Photograph of Pompey's Pillar, with blowing cottonwood seeds, on a windy, summer afternoon. Yellowstone County, Montana, USA. This is the only known location that documents the existence of the Lewis & Clark Expedition of 1803-1806.

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Size: 7360px × 4912px
Location: Pompey's Pillar National Historic Landmark, Yellowstone County, Montana, USA.
Photo credit: © Timothy Mulholland / Alamy / Afripics
License: Licensed
Model Released: No

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