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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
  • 3922
    P12-200-2911NA Klamath Project - Oregon-California. It bacame [sic] necessary to scrape the snow away from the front of the trenching machine because of its high flotation. The maching was unable to ...
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  • 3926
    P12-200-2915NA Klamath Project - Oregon-California. View of operator's control panel mounted on Hoes Gigant trenching machine; December 1972; Bureau of Reclamation photo by D. W. Stein
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  • 3927
    P12-200-2916NA Klamath Project - Oregon-California. View of trenching equipment in operation; December 1972; Bureau of Reclamation photo by D. W. Stein
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  • 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 ...
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  • 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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  • 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 ...
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  • 3933
    P12-200-2922NA Klamath Project - Oregon-California. View of trenching machine. Hopper unit and digging chain have been lifted out of ground; November 1972; Bureau of Reclamation photo by D. W. Stein...
    Citation
  • 4766
    CN-12-201-218NA Klamath Project - Oregon-California. View of trenching equipment in operation; November 1972; Bureau of Reclamation photo by D. W. Stein
    Citation
  • 4841
    CN-12-201-291NA Klamath Project - Oregon-California. Experimental Line in Unit 71. View of fiberglass membrane covered tubing being fed into hopper unit behind trenching machine. Installation methods were ...
    Citation