Historic Plaque on Pompeys Pillar National Monument - Stock image
Award Plaque, Famous Place, Middle East, Montana, National Landmark
'Pompeys Pillar, Montana, United States - March 7, 2012. Close up of the National Historic Landmark plaque on Pompeys Pillar National Monument. It was previously designated a National Historic Landmark on July 25, 1965 before becoming a National Monument in 2001.'