Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1700 - Klamath Project. Seepage Investigation. Crack Development on M-2-a-1 Lateral. Dorwin Grise, Photo. July 8, 1948", from Black Binders Digital reproduction of photograph: KP-1700 - Klamath Project. Seepage Investigation, Black Binders, Bureau of Reclamation