Umatilla Proj, Stanfield diversion dam, Sep 1907.

Umatilla Project Stanfield diversion feeder canal for Cold Springs Reservoir, 1907. U.S. Bureau of Reclamation, P30-100-921

Umatilla Project, swamp, Mar 1947.

Swamp in West Extension, Umatilla Project, March 1947. Photo Merritt, U.S. Bureau of Reclamation, P30-100-946

Umatilla Proj, Maxwell Canal diversion dam, Mar 1947.

Umatilla Project diversion dam, Maxwell Canal, Hermiston, March 1947. Photo Merritt, courtesy U.S. Bureau of Reclamation, P30-100-951

Umatilla Proj, wind break, Mar 1947.

Typical Umatilla Project wind breaks, March 1947. Photo Merritt, courtesy U.S. Bureau of Reclamation, P30-100-945

Umatilla Proj, Stanfield diversion, ca 1950.

Stanfield diversion, Umatilla Project, about 1950. Photo Merritt, courtesy U.S. Bureau of Reclamation, P30-100-947;

Aerial view of the Umatilla River, 1999.

Aerial view of the Umatilla River, 1999.

Aerial view of the Umatilla River, 1999.

Umatilla River flooding, 2020.