Pompeys Pillar National Monument


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Photo credit: © Zachary Frank / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: billings, bureau, clark, creek, cretaceous, expedition, formation, hell, historic, inscription, land, landmark, lewis, management, montana, monument, national, pillar, pioneers, pompey, pompeys, river, rock, sandstone, states, united, usa, yellowstone