Original photograph: 13 x 10 cm, color photograph, caption under photo reads “CN-12-201-582NA Klamath Project - Oregon-California View of high sealer drilling anchor bolt holes in downstream face of Gerber Dam. September 1969 USBR photo by T. J. Rosten" from Black Binders Digital reproduction of photograph: CN-12-201-582NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation