Legends of America
Legends of America: Arapaho Great Buffalo Hunters of the Plains
A very good overview of Arapaho history. It explains how the Arapaho split into the Northern and Southern Arapaho tribes and their relationships with the Cheyenne and the Sioux.
Curated OER
Etc: Original Range of the Bison, 1720 1903
A map of North America showing the original range of the American bison. The map shows the dates of local extermination, location, and numbers of wild animals in 1903 (Central Canada and the Rockies). "Beyond all doubt the most...