Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "Roll 1 No. 6 - Klamath Project. "A" Canal lining second panel from Headworks left side, showing vertical and horizontal joints weathered and displaced. H. F. Tolley, Photographer. October 18, 1948", from Black Binders Digital reproduction of photograph: Roll 1 No. 6 - Klamath Project, Black Binders, Bureau of Reclamation