Original photograph: 17 x 12 cm, black & white photo, with "A" written on front in pencil and "75" in red ink, #7 is crossed out, caption under photo reads "7. Excavations Main Canal, Div. 3, D.W.M. 4/25/06", from Brown Album, reorganized by Elaine Roggensees, 1987 Digital reproduction of photograph: Excavations Main Canal, Div. 3, Brown Album, Bureau of Reclamation