CN-12-201-581NA Klamath Project - Oregon-California. Anchor bolts were embedded in holes to secure drilling platform to face of dam as part of core drilling operations; September 1969; USBR photo by T. J. Rosten
Title
View of high sealer drilling anchor bolt holes with jack hammer in downstream face of Gerber Dam
Original photograph: 13 x 10 cm, color photograph, caption under photo reads “CN-12-201-581NA Klamath Project - Oregon-California View of high sealer drilling anchor bolt holes with jack hammer in downstream face of Gerber Dam. Anchor bolts were embedded in holes to secure drilling platform to face of dam as part of core drilling operations. September 1969 USBR photo by T. J. Rosten" from Black Binders Digital reproduction of photograph: CN-12-201-581NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation
