National Geographic : 1953 Jun
1).Naton10al (eorapni1c mociety + Young Pilgrim Files a Progress Report Will Gray's note joins those of other trail followers on Spirit Mound in South Dakota. Indian legend pop ulated this hill with belligerent "little people." Lewis and Clark correctly reported its 65-foot height. + Author Puffs an Indian Peace Pipe On or near this bluff at Fort Calhoun, Nebraska, the explorers held the first of many Indian palavers. They said they had come from "the great Chief of the 17 great nations [States] of America."