Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1720 - Klamath Project - Pumping Plant "G", Coppock Bay Extension. Placing concrete for trash rack deck. Dorwin Grise, Photo. July 13, 1948", from Black Binders Digital reproduction of photograph: KP-1720 - Klamath Project - Pumping Plant "G", Coppock Bay Extension, Black Binders, Bureau of Reclamation