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  • 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
  • 3930
    P12-200-2919NA Klamath Project - Oregon-California. View of pipe trenching equipment in operation; November 1972; Bureau of Reclamation photo by D. W. Stein
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  • 3931
    P12-200-2920NA Klamath Project - Oregon-California. Inspector Derrill Stein is shown in foreground. He is watching the construction operation to see that the work performed by the contractor meets the ...
    Citation
  • 3932
    P12-200-2921NA Klamath Project - Oregon-California. Side view of trenching equipment in operation. Note how the plastic drainage tubing is stretched out in advance of the trenching machine; November ...
    Citation