One album with black and white photographs of T. Morris Dunne skiing on Mt. Hood and other unidentified places, and of the Pendleton Round-Up in Pendleton, Oregon.

Eighteen black and white photographs of forests near Saissons, France, where Harry Adrian Hegeman was stationed during World War I, and of parades and other events of the Pendleton Round-Up in Pendleton, Oregon.

Photographs taken by Major Lee Moorhouse between approximately 1897 and 1919, depicting Cayuse, Umatilla, and other Native peoples and their settlements in the Columbia River Basin and Umatilla County; landscapes in Oregon and Montana; the Pendleton Round-Up in Pendleton, Oregon, and rodeos in other locations.