Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1598 - Klamath Project. Coppock Bay M-2-a-2 Lateral. Dragline placing 12" dry earth cover on asphalt membrane. Mark Taylor, Jr., Photographer. October 1, 1947", from Black Binders Digital reproduction of photograph: KP-1598 - Klamath Project, Black Binders, Bureau of Reclamation