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Pompeys Pillar Outlaw Trail Strongbox — Yellowstone County

Lost Treasure MT • Yellowstone County County
Description
Pompeys Pillar legend of outlaw-trail specie along the Yellowstone — where Lewis and Clark carved their July 25, 1806 inscription and later cattlemen, steamboat landings, and stage roads fed strongbox folklore.
Historical Notes
The BLM-managed Pompeys Pillar National Monument preserves William Clark's carved signature on a sandstone pillar above the Yellowstone River twenty-five miles northeast of Billings. Visit Montana and regional treasure writers place outlaw caches along the Yellowstone steamboat and stage corridor between Coulson, Huntley, and Miles City — the same road-agent country documented in Fallon County Times stage histories. Coordinates mark Pompeys Pillar at 45.994° N, 107.944° W. National monument regulations prohibit unauthorized digging.
Status / Verification legend — Legendary or approximate

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