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  • 3935
    P12-200-2924NA Klamath Project - Oregon-California. View of trenching machine digging a cutoff wall; November 1972; Bureau of Reclamation photo by D. W. Stein
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  • 3936
    P12-200-2925NA Klamath Project - Oregon-California. Hopper and digging chain are being lowered to grade at right angles to an open collector drain prior to the start of a new closed drain line; November ...
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  • 3937
    P12-200-2926NA Klamath Project - Oregon-California. View of hopper unit and digging chain in position to start excavating a new closed drain line; November 1972; Bureau of Reclamation photo by D. W. ...
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  • 3942
    P12-200-2931NA Klamath Project - Oregon-California. Rear-end view of hopper unit. Pipe is fed out of the round hole at the bottom and cinders are placed around the pipe as it is being extruded from the ...
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  • 3957
    P12-200-2945NA Klamath Project - Oregon-California. Laser Beam Receiving Unit shown attached to trenching machine; December 1972; Bureau of Reclamation photo by D. W. Stein
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  • 3958
    P12-200-2946NA Klamath Project - Oregon-California. View of Laser Beam Receiving Unit mounted on trencher. Note that the control panel for receiver unit is mounted to the left of controls for trencher; ...
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  • 47. [Image] Sump 3, 101-C-6 Drain
    3565
    KP-2549-R2-Klamath Project - Sump 3, 101-C-6 Drain. View showing excavation of top two feet with carryalls near station 66+00 by subcontractor D.Potter & Co. Carryalls are Hancock 7E2 selfloading, powered ...
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  • 48. [Image] Sump 3, 101-C-6 Drain
    3566
    KP-2550-R2-Klamath Project - Sump 3, 101-C-6 Drain. View showing second stage in drain excavation. Construction of field dike, shaping of east side of drain done by Tulelake Irrigation District gradall ...
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  • 3735
    KP-2637-R2-Klamath Project - TULE LAKE SUMP 2, R-2 Lateral, Specifications DC-5483. Front view of Briscoe ditcher excavating prism of R-2 lateral, Sta. 2+00 after lining has been placed solid across the ...
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  • 3736
    KP-2638-R2-Klamath Project - TULE LAKE SUMP 2, R-2 Lateral Specifications DC-5483. Rear view of Briscoe ditcher excavating prism of R-2 lateral, Station 3+00. Hydraulic cylinders control position of cutting ...
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