Contains official photographs taken by an unidentified photographer or photographers during the construction of canals, flumes, and dam as part of the Tumalo Irrigation Project in Deschutes County, Oregon, from 1913-1914. Includes photographs of Superintendents Alfred Hanson and Axel Bye, Irrigation Manager Fred N. Wallace, and other engineers and project employees; visits by Oregon Governor Oswald West and Secretary of State Ben W. Olcott to project sites; and the project's headquarters at Laidlaw, Oregon (now Tumalo, Oregon), among other subjects. Includes two typescript indexes to the album.