Which region is this tribal group from who fought against the United States Army alongside Palus, Schitsu'umsh (Coeur d'Alene), Spokan, and Yakama warriors at the Battle of Spokane Plains?
Battle of Spokane Plains:  The battle was fought west of Fort George Wright near Spokane, Washington, between elements of the United States Army and a coalition of Native American tribes consisting of Kalispel (Pend Oreille), Palus, Schitsu'umsh (Coeur d'Alene), Spokan, and Yakama warriors. Pend d'Oreilles: The Pend d’Oreilles, also known as the Kalispel, are Indigenous peoples of the Northwest Plateau.
Northwest Plateau