Original photograph: 14 x 9 cm, black & white photo, with "A" written in front in pencil, "147" in red ink, caption under photo reads "#71. Main Canal, Division 2. D.W.M. 11/14/06", from Brown Album, reorganized by Elaine Roggensees, 1987 Digital rerpoduction of photograph: Main Canal, Division 2, Brown Album, Bureau of Reclamation