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3151. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No, 200C-842, Patterson Constr. Co., Contractor
CN-12-201-240NA Klamath Project - Oregon-California. In filling drains along the north-south road, it was necessary to rip up the surface of the road for material to fill the adjacent open drain. This ...Citation -
3152. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
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 ...Citation -
3153. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No, 200C-842, Patterson Constr. Co., Contractor
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; ...Citation -
3154. [Image] Closed Drain Construction - Tule Lake Sump 3- Specs. No. 200C-842, Patterson Constr. Co., Contractor
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. SteinCitation -
3155. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs . No. 200C-842, Patterson Constr. Co., Contractor
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. SteinCitation -
3156. [Image] Closed Drain Construction - Tule Lake Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor
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. SteinCitation -
3157. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
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 ...Citation -
3158. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
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 ...Citation -
3159. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-248NA Klamath Project - Oregon-California. Close-up view of Laser Beam command post; December 1972; Bureau of Reclamation photo by D. W. SteinCitation -
3160. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-249NA Klamath Project - Oregon-California. Close-up view of Laser Beam command post showing adjustment screws. The head is leveled in the same manner that a theodolite is leveled. The crank ...Citation