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Drilling and boring machinery
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KP-1623 - Klamath Project; January 20, 1948; Photo by Dorwin Grise
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2. [Image] Close-up of Denison Sampler, showing bit end
KP-1624 - Klamath Project; January 20, 1948; Photo by Dorwin GriseCitation -
3. [Image] Gerber Dam Core Drilling Program
CN-12-200-59A Klamath Project, Oregon-California. View showing hollow core drill bit; October 1969; Bureau of Reclamation photo by C.D.LawrenceCitation -
4. [Image] Gerber Dam Core Drilling Program
CN-12-200-60A Klamath Project, Oregon-California. The driller and his helper are adding an extension to drill bit. Pictured from left to right are: Angelo Doveri, owner-operator of hydraulic crane (at ...Citation -
5. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor
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 -
6. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor
P-12-200-3036NA Klamath Project - Oregon-California. View of contractor's men and equipment drilling lower drainage holes; July 1974; USBR photo by D. W. SteinCitation