Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1504-Klamath Project. [sic] "M" Canal Lining, Station 131, looking NE, placing concrete lining with completed panels on each side. Time 1:20 P. M., July 18, 1947. Stacy, contractor. H. W. Sexton, photographer. July 18, 1947", from Black Binders Digital reproduction of photograph: KP-1504-Klamath Project, Black Binders, Bureau of Reclamation