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  • 3920
    P12-200-2909NA Klamath Project - Oregon-California. View of contractor's equipment. Cinders are fed into conveyor belt from dump truck and then into the hopper unit mounted on the back of the trenching ...
    Citation
  • 3921
    P12-200-2910NA Klamath Project - Oregon-California. View of trencher starting to excavate a drain line. The hopper and digging unit are dropped into place at the outlet of the proposed line. Then, the ...
    Citation
  • 3928
    P12-200-2917NA Klamath Project - Oregon-California. View of trenching equipment. The trencher is almost at the end of a newly installed closed drain line. Note the workman threading a short section of ...
    Citation
  • 3940
    P12-200-2929NA Klamath Project - Oregon-California. View of small crawler tractor being used to backfill the open trench. Excavated earth, windrowed along the open trench, provides the material needed ...
    Citation
  • 3947
    P12-200-2936NA Klamath Project - Oregon-California. View of a workman using a whacker to obtain the required compaction at the outlet end of the drain line; December 1972; Bureau of Reclamation photo ...
    Citation
  • 3949
    P12-200-2938NA Klamath Project - Oregon-California. View of pipe laying and trenching equipment taken from down in the trench; December 1972; Bureau of Reclamation photo by D. W. Stein
    Citation
  • 4732
    CN-12-201-184NA Klamath Project - Oregon-California. Side view of the hopper unit used to feed both pipe and cinders into the trench. The digging chain for the trencher is mounted directly in front of ...
    Citation
  • 4750
    CN-12-201-202NA Klamath Project - Oregon-California. View of cutoff trench. The trenching machine dug the cutoff wall, but in doing so left a large amount of dirt in the excavated area. It was necessary ...
    Citation
  • 4751
    CN-12-201-203NA Klamath Project - Oregon-California. View of cutoff trench. The workmen in photo are removing loose material from the cutoff trench; November 1972; Bureau of Reclamation photo by D. W. ...
    Citation
  • 4754
    CN-12-201-207NA Klamath Project - Oregon-California. View of workman in trench; February 1973; Bureau of Reclamation photo by D. W. Stein
    Citation