Little Known Facts Archives
Little Known Facts by Dr. Carl H. Camp are published quarterly in The Trail Companion, the Lewis and Clark National Historic Trail's newsletter and in the History and Culture section of the website.
Did You Know?
Two hundred years after the Lewis and Clark Expedition, the only physical evidence of the journey is found near Billings, MT. In July 1805, William Clark carved his name into the soft rock of what he called Pompeys Tower. This site is now preserved at Pompeys Pillar National Monument.