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Land use history
Remove constraint Land use history
Author
Stein, D.W.
Remove constraint Author: Stein, D.W.
Author
United States. Bureau of Reclamation
Remove constraint Author: United States. Bureau of Reclamation
Subject
Irrigation projects
Remove constraint Subject: Irrigation projects
Subject
Trenches
Remove constraint Subject: Trenches
1 - 9 of 9
Search Results
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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 ...
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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 ...
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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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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 ...
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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 ...
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P-12-200-4072NA Klamath Project - Oregon-California. View of backfilling 10 foot cut-off trench at Sta. 50±, looking north. A small John Deere dozer was used to backfill. Note water in trench; September ...
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CN-12-201-180NA Klamath Project - Oregon-California. View showing string line and pointers used to maintain grade; October 11, 1972; Bureau of Reclamation photo by D. W.Stein
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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 ...
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CN-12-201-296NA Klamath Project - Oregon-California. Experimental Line in Unit 71. Connection to the steel outlet pipe was made in the same manner as with the unsheathed tubing. Plastic tape is used to ...
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