Photography by Marilyn Price

Billings, MT

William Clark's signature, Pompey's Pillar National Monument, MT

This photo shows the actual signature (under the glass protector on the extreme right of the photo) as well as some plaques which were affixed to the rock before it became a national monument. The person in the white hat is a volunteer providing interpretation of the other engravings. Pompey's Pillar National Monument, MT.

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