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You searched for: Start Over Dams Remove constraint Dams Subject Clear Lake Dam (California) Remove constraint Subject: Clear Lake Dam (California) Subject Concrete slabs Remove constraint Subject: Concrete slabs Subject Construction workers Remove constraint Subject: Construction workers Subject Dams -- Maintenance and repair Remove constraint Subject: Dams -- Maintenance and repair Subject Irrigation projects Remove constraint Subject: Irrigation projects

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  • 4048
    P-12-200-3035NA Klamath Project - Oregon-California. View of right protective slab under bridge. The workman is dry packing she-bolt holes and rock pockets; July 1974; USBR photo by D. W. Stein
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  • 4052
    P-12-200-3039NA Klamath Project - Oregon-California. View of equipment used to place concrete in right protective slab under bridge; July 1974; USBR photo by D. W. Stein
    Citation