Todd Heisler, On a Slant Village, located on the bank of the Missouri River, was abandoned by the Mandan Indians in the late 1700s during the first smallpox outbreak. (TODD HEISLER/ROCKY MOUNTAIN NEWS) (05/20/2005), [432054132] . Denver Public Library Digital Collections, accessed 08/03/2026, https://digital.denverlibrary.org/nodes/view/718286



