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Dams
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Lawrence, C.D.
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Construction workers
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Dams
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Drilling and boring
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1. [Image] Gerber Dam Core Drilling Program
CN-12-200-48A Klamath Project, Oregon-California. Picture of Bud Fehlhaber, driller's helper, removing core sample from drill hole; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation