Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1963-Klamath Project. Same and [sic] as No. 1962. Showing detail of weak spot at Gerber Dam. Bill Biggs and Smith Ketchum inspecting. Andrew M. Bergloff, Photo. June, 6, 1950", from Black Binders Digital reproduction of photograph: KP-1963-Klamath Project. Same as No. 1962. Gerber Dam - Showing detail of weak spot, Black Binders, Bureau of Reclamation