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Dams -- Maintenance and repair
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CN-12-201-575 and 576 - Klamath Project - Oregon-California. View of men and equipment drilling drainage holes in concrete spillway slab; June 26, 1974; USBR photos by T. J. Rosten
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CN-12-201-572NA Klamath Project - Oregon-California. View of spillway under construction. The reinforcing steel is part of the concrete wall which will be constructed at right end of spillway; June 1974; ...
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203. [Image] Sealing, Repair and Modification of Gerber Dam -Specs. 200C-888 - Dante Engineers & Contractors
CN-12-201-578NA Klamath Project - Oregon-California. View of downstream face of Gerber Dam. Note new footbridge in foreground. Note water flowing over rock weir which was constructed under this specification ...Citation -
204. [Image] Sealing, Repair and Modification of Gerber Dam -Specs. 200C-888 - Dante Engineers & Contractors
CN-12-201-579NA Klamath Project - Oregon-California. View of polyurethane coating peeling off of ogee spillway crest of Gerber Dam; June 1974; USBR photo by T. J. RostenCitation -
CN-12-201-577NA Klamath Project - Oregon-California. View of newly constructed Clear Lake dike. Dike was constructed under Specifications No. 200C-889. Note road ramp over dike; June 1974; USBR photo ...
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206. [Image] Sealing, Repair and Modification of Gerber Dam -Specs. 200C-888 - Dante Engineers & Contractors
CN-12-201-580NA Klamath Project - Oregon-California. View of polyurethane coating on ogee spillway crest of Gerber Dam. Note that coating is separating from concrete in center of picture; June 1974; USBR ...Citation -
207. [Image] View of high sealer drilling anchor bolt holes with jack hammer in downstream face of Gerber Dam
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. ...Citation -
208. [Image] View of right abutment of Gerber Dam
CN-12-201-584NA Klamath Project - Oregon-California. Note tripod used by drill crew in obtaining core samples of foundation material. Samples were obtained as part of Safety of Dams review; September ...Citation -
CN-12-201-587NA Klamath Project - Oregon-California. This road was constructed to accommodate core drilling operations; September 1969; USBR photo by T. J. Rosten
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210. [Image] Core drilling of Gerber Dam
CN-12-201-588NA Klamath Project - Oregon-California. View of Bucyrus-Erie 22-B dragline used to move drilling platform from place to place on downstream face of dam. Dragline was borrowed from Fish and ...Citation