Yakama Tribes – P.L. 91-627 Nez Perce Tribe – P.L. 92-443 Standing Rock Sioux Tribe – P.L. 96-274 Sisseton Wahpeton Sioux Tribe – P.L. 98-513 Warm Springs Tribe – P.L. 92-377 For more information on ...

The Umatilla River once served as an important meeting ground for the Cayuse and their Nez Perce allies to the east.

depicts the creation of "The Heart of the Monster," a story where the slaying of a large monster on the Clearwater River leads to the birth of several Northwest tribes. Nez Perce language teacher ...