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Pompeys Pillar National Monument, MT

Bureau of Land Management

Pompeys Pillar National Monument

Pompeys Pillar was designated as a National Monument in January 2001. Prior to its monument status, it was a designated National Historic Landmark in 1965. It was part of the original 1803 Louisiana Purchase...[more]

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.The area is easily accessible from Interstate 94, using exit 23, or from State Highway 312. The monument is 25 miles east of Billings, Montana

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