Hand-colored and annotated map delineating with hachures as well as by colors, “Columbia tribes or group,” “Central or Okangon group of tribes,” “Salish proper or Flathead group of tribes,” “Cour d’Alene” [names as written]. Notations on map: “Map showing early positions and approximate boundaries of tribes in portions of British Columbia, Alberta, Montana, Idaho, Washington, Oregon, and Wyoming. On the whole immediately (prior to the introduction of the horse, the North Western movements of Shahaptian, and Shoshonean bands in Washington and Oregon, the southern movements of the Blackfoot tribes, and the western movements of the Siouan tribes.” “Possibly on the whole circa 1700 A.D. for many of the tribes.” Specific tribes denoted [as spelled]: Salishan (comprising Lillooet, Thompson, Shuswap), Athapaskan, Chinookan, Kalapooian, Waiilatpuan, Lutuamian, Shoshonean, Shahaptian, Kitunahan, Algonquian, Siouan.; Base map: “Rand McNally & Co.’s Commercial Map of the Western States.” (c) 1908. 1910 printing.