Original photograph: 21 x 15 cm, black & white ptoto, with "A" written in front in pencil, caption under photo reads "#196. Intake gates, gate house and concrete lined Main Canal. October 22nd, 1907", from Brown Album, reorganized by Elaine Roggensees, 1987 Digital reproduction of photograph: Intake gates, gate house and concrete lined Main Canal, Brown Album, Bureau of Reclamation
