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Dams
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Lawrence, C.D.
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Drilling platforms
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1. [Image] Gerber Dam Core Drilling Program
CN-12-200-47A Klamath Project, Oregon-California. View of bucket of concrete being lowered from walkway on top of dam to drilling platform. The concrete was used to fill the core holes after the cores ...Citation -
2. [Image] Gerber Dam Core Drilling Program
CN-12-200-52A Klamath Project, Oregon-California. View of core drill just before the drill was started. Note the drill barrel has not yet penetrated the dam; October 1969; Bureau of Reclamation photo ...Citation -
3. [Image] Gerber Dam Core Drilling Program
CN-12-200-55A Klamath Project, Oregon-California. View of core drilling platform from east walkway on top of dam. Note the core sample stored in box at rear of platform; October 1969; Bureau of Reclamation ...Citation -
4. [Image] Gerber Dam Core Drilling Program
CN-12-200-46A Klamath Project, Oregon-California. View of core drilling platform. Platform is being lowered into desired position; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation -
5. [Image] Gerber Dam Core Drilling Program
CN-12-200-49A Klamath Project, Oregon-California. View of core drilling platform. The water line is being connected to the drill; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation -
6. [Image] Gerber Dam Core Drilling Program
CN-12-200-54A Klamath Project, Oregon-California. View of core drilling platform. Note that the drill is operating; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation -
7. [Image] Gerber Dam Core Drilling Program
CN-12-200-56A Klamath Project, Oregon-California. View of core drilling platform from east walkway at top of dam. Air compressor and hydraulic crane are shown, too; October 1969; Bureau of Reclamation ...Citation -
8. [Image] Gerber Dam Core Drilling Program
CN-12-200-58A Klamath Project, Oregon-California. View of hydraulic crane and core drilling platform; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation -
9. [Image] Gerber Dam Core Drilling Program
CN-12-200-50A Klamath Project, Oregon-California. View of blocking beneath the outer end of the drilling platform. Blocking was used in those places where the knee braces would not fit beneath the platform; ...Citation -
10. [Image] Gerber Dam Core Drilling Program
CN-12-200-53A Klamath Project, Oregon-California. View of core drilling platform being lowered into desired position above gate house. Platform was moving when the picture was taken; October 1969; Bureau ...Citation