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You searched for: Start Over Land use history Remove constraint Land use history Subject Clear Lake Dam (California) Remove constraint Subject: Clear Lake Dam (California) Subject Drilling and boring machinery Remove constraint Subject: Drilling and boring machinery Subject Spillways Remove constraint Subject: Spillways

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  • 4031
    P-12-200-3023NA Klamath Project - Oregon-California. View of equipment used to drill the drainage holes. A Chicago Pneumatic #55 drill was mounted on the side of a 977-K Loader bucket; July 1974; USBR ...
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  • 4033
    P-12-200-3025NA Klamath Project - Oregon-California. View of contractor's men and equipment drilling a drainage hole in spillway crest area. A #55 Chicago pneumatic drill was used for this work; July ...
    Citation