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You searched for: Start Over Dams Remove constraint Dams Author United States. Bureau of Reclamation Remove constraint Author: United States. Bureau of Reclamation Subject Construction workers Remove constraint Subject: Construction workers Subject Drilling and boring machinery Remove constraint Subject: Drilling and boring machinery

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  • 1. [Image] Gerber Dam Core Drilling Program
    5212
    CN-12-200-59A Klamath Project, Oregon-California. View showing hollow core drill bit; October 1969; Bureau of Reclamation photo by C.D.Lawrence
    Citation
  • 2. [Image] Gerber Dam Core Drilling Program
    5213
    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
  • 3. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor
    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
  • 4. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor
    4049
    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. Stein
    Citation