Original photograph: 17 x 12 cm, black & white photo, with "A" written in front in pencil, "99" in red ink, caption under photo reads "#31.Section of finished Main Canal, Div.3. D.W.M. 8/15/06", from Brown Album, reorganized by Elaine Roggensees, 1987 Digital reproduction of photograph: Section of finished Main Canal, Div.3, Brown Album, Bureau of Reclamation