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  • 4789
    CN-12-201-242NA Klamath Project - Oregon-California. View showing D-8 cat filling an open secondary drain. Note the smooth appearance of the portion of the drain that has been filled; February 1973; Bureau ...
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  • 4790
    CN-12-201-241NA Klamath Project - Oregon-California. View of D-8 cat ripping frozen ground. During the coldest period, frost depths ranged from 3 inches to 12 inches below ground surface; February 1973; ...
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  • 4791
    CN-12-201-243NA Klamath Project - Oregon-California. View of D-8 cat smoothing and compacting drain that has just been filled; November 1972; Bureau of Reclamation photo by D. W. Stein
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  • 4792
    CN-12-201-244NA Klamath Project - Oregon-California. Overall view of drain that has been filled and accepted as complete; November 1972; Bureau of Reclamation photo by D, W. Stein
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  • 4793
    CN-12-201-245NA Klamath Project - Oregon-California. Overall view of drain that has been filled and accepted as complete; November 1972; Bureau of Reclamation photo by D. W. Stein
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  • 4794
    CN-12-201-246NA Klamath Project - Oregon-California. View showing location of Laser Beam command post in the middle of the field. The tripod, which supports the command post, was set up and leveled adjacent ...
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  • 4795
    CN-12-201-247NA Klamath Project - Oregon-California. Close-up view of Laser Beam command post. Note the drainage tubing laid out in the background prior to construction; December 1972; Bureau of Reclamation ...
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  • 4837
    CN-12-201-287 Klamath Project - Oregon-California. Experimental Line in Unit 71. Close-up view of corrugated plastic tubing with porous membrane around it. One thousand feet of this type of tubing was ...
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  • 5017
    CN-12-201-472NA Klamath Project - Oregon-California. Note condition of growth - excellent for wildlife cover and erosion control; August 7, 1974; USBR photo by J. W. Legg
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  • 5034
    CN-12-201-492NA Klamath Project - Oregon-California. View showing 8 cubic yard John Deere self-loading scraper excavating material from field to fill open drains; November 1974; USBR photo by D. W. Ste...
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