Indigenous peoples -- North America, Plateau -- Cayuse Tribal Nation

The Cayuse are a Native American tribe in what is now the state of Oregon in the United States. The Cayuse tribe shares a reservation and government in northeastern Oregon with the Umatilla and the Walla Walla tribes as part of the Confederated Tribes of the Umatilla Indian Reservation. [https://en.wikipedia.org/wiki/Cayuse_people ; https://ctuir.org/]