QUIZ: Do You Know Where These National Monuments Are Located?

Pompeys Pillar is located next to a large river in which state?

Retry Correct Incorrect Sitting alongside the Yellowstone River in Montana is Pompeys Pillar. The national monument is filled with Native American petroglyphs. Visitors can also view William Clark’s signature from the Lewis and Clark Expedition.

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Pompeys Pillar is located next to a large river in which state?

• Montana
• New Mexico
• Colorado
• Washington