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Ballantine, Montana

I-90 East - Exit 23

I-90 East - Exit 23

I-90 east approaching Exit 23 - Pompeys Pillar. Pompeys Pillar is a sandstone outcrop, that is special because it has a signature of William Clark, from the Lewis and Clark expedition engraved in it. William Clark named Pompeys Pillar after Sacagawea’s infant son Jean Baptiste, whom Clark had nicknamed Pompey.

I-94 East - Exit 14

I-94 East - Exit 14

I-94 east approaching Exit 14 - Ballantine/Worden.

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