This primary source comes from the Records of the Office of the Chief of Engineers.
Full Citation: Fisherman at Celilo Falls on the Columbia River, Oregon; ca.1911; Celilo Falls, ca. 1891 - 1982; Historic Photographs, ca. 1891 - 1982; Records of the Office of the Chief of Engineers, Record Group 77; National Archives at Seattle, Seattle, WA. [Online Version, https://www.docsteach.org/documents/document/1-fisherman-celilo-falls-columbia-river-oregon, March 29, 2024]