Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1715 - Klamath Project. Pumping Plant "G", Coppock Bay. Concrete Mixer with aggregate batching truck in background. Dorwin Grise, Photo. July 13, 1948", from Black Binders Digital reproduction of photograph: KP-1715 - Klamath Project. Pumping Plant "G", Coppock Bay, Black Binders, Bureau of Reclamation