Original photograph: 17 x 12 cm, black & white photo, with "A" written in front in pencil, "157" in red ink, caption under photo reads "#81 - Excavating Main Canal, Div.2, D.W.M. 1/12/07", picture light overexposed on right side, from Brown Album, reorganized by Elaine Roggensees, 1987 Digital reproduction of photograph: Excavating Main Canal, Div.2, Brown Album, Bureau of Reclamation
