Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1593 - Klamath Project. Coppock Bay - M-2-a-2 Lateral. Dragline placing 12" dry earth cover on buried asphalt membrane. Mark Taylor, Jr., Photographer. Oct. 1, 1947", from Black Binders Digital reproduction of photograph: KP-1593 - Klamath Project, Black Binders, Bureau of Reclamation