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CN-12-200-67A Klamath Project - Oregon-California. View of 600 Vermeer trencher with Case front end loader dumping cinders into hopper; October 11, 1972; Bureau of Reclamation photo by D.W.Stein
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CN-12-200-70A Klamath Project, Oregon-California. View of trencher and hopper; October 11, 1972; Bureau of Reclamation photo by D.W. Stein
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23. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
P12-200-2947NA Klamath Project - Oregon-California. View alongside of trencher showing horizontal alignment staffs. The operator sighted down the poles and was able to obtain very good alignment; December ...Citation -
CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows ...
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