Download or read book Peoples of the Plateau written by Steven L. Grafe and published by . This book was released on 2005 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents eighty photos of Umatilla, Walla Walla, and Cayuse Indians from the Columbia River Plateau taken by Major Moorhouse, an Indian agent and amateur photographer who served the Pacific Northwest territory. Simultaneous.