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• 71. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-192NA Klamath Project - Oregon-California. View of pipe laying operation. The man in truck helps push cinders into the conveyor unit. The man on the hopper unit keeps cinders moving smoothly ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 2009, 2007 CN-12-201-192NA Klamath Project - Oregon-California. View of pipe laying operation. The man in truck helps push cinders into the conveyor unit. The man on the hopper unit keeps cinders moving smoothly by picking out oversize and filling voids that develop under the screen. The cinders are placed in the bottom of the trench by the hopper to form an envelope around the plastic drainage tubing; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 2009, 2007 CN-12-201-192NA Klamath Project - Oregon-California. View of pipe laying operation. The man in truck helps push cinders into the conveyor unit. The man on the hopper unit keeps cinders moving smoothly by picking out oversize and filling voids that develop under the screen. The cinders are placed in the bottom of the trench by the hopper to form an envelope around the plastic drainage tubing; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 72. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-8U2, Patterson Constr. Co., Contractor

  	CN-12-201-193NA Klamath Project - Oregon-California. View of trenching machine in action. Note the dirt being thrown out of trench by the digging chain. Note the plastic drainage tubing being threaded ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-8U2, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-193NA Klamath Project - Oregon-California. View of trenching machine in action. Note the dirt being thrown out of trench by the digging chain. Note the plastic drainage tubing being threaded into the hopper unit. Guides on the trencher and hopper keep the plastic tubing from fouling; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-8U2, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-193NA Klamath Project - Oregon-California. View of trenching machine in action. Note the dirt being thrown out of trench by the digging chain. Note the plastic drainage tubing being threaded into the hopper unit. Guides on the trencher and hopper keep the plastic tubing from fouling; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 73. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-202NA Klamath Project - Oregon-California. View of cutoff trench. The trenching machine dug the cutoff wall, but in doing so left a large amount of dirt in the excavated area. It was necessary ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-202NA Klamath Project - Oregon-California. View of cutoff trench. The trenching machine dug the cutoff wall, but in doing so left a large amount of dirt in the excavated area. It was necessary to clean the cutoff trench; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-202NA Klamath Project - Oregon-California. View of cutoff trench. The trenching machine dug the cutoff wall, but in doing so left a large amount of dirt in the excavated area. It was necessary to clean the cutoff trench; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 74. [Image] View of trench outlet and of closed drain trench

  	CN-12-201-205NA Klamath Project - Oregon-California. Note plastic pipe stub. Later, it will be connected to steel outlet pipe; December 1972; Bureau of Reclamation photo by D. W. Stein
  	Citation × Citation Citation Abstract Copy Title: View of trench outlet and of closed drain trench Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-205NA Klamath Project - Oregon-California. Note plastic pipe stub. Later, it will be connected to steel outlet pipe; December 1972; Bureau of Reclamation photo by D. W. Stein Title: View of trench outlet and of closed drain trench Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-205NA Klamath Project - Oregon-California. Note plastic pipe stub. Later, it will be connected to steel outlet pipe; December 1972; Bureau of Reclamation photo by D. W. Stein Close

• 75. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-206NA Klamath Project - Oregon-California. Looking into trench where the steel pipe is attached to plastic drainage tubing; February 1973; Bureau of Reclamation photo by D. W. Stein
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-206NA Klamath Project - Oregon-California. Looking into trench where the steel pipe is attached to plastic drainage tubing; February 1973; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-206NA Klamath Project - Oregon-California. Looking into trench where the steel pipe is attached to plastic drainage tubing; February 1973; Bureau of Reclamation photo by D. W. Stein Close

• 76. [Image] Closed Drain Construction - Tule Late Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-207NA Klamath Project - Oregon-California. View of workman in trench; February 1973; Bureau of Reclamation photo by D. W. Stein
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Late Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-207NA Klamath Project - Oregon-California. View of workman in trench; February 1973; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Late Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-207NA Klamath Project - Oregon-California. View of workman in trench; February 1973; Bureau of Reclamation photo by D. W. Stein Close

• 77. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-204NA Klamath Project - Oregon-California. View of outlet end of closed drain line before it was backfilled. Workmen are attaching plastic drainage tubing to the steel outlet pipe; November 1972; ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-204NA Klamath Project - Oregon-California. View of outlet end of closed drain line before it was backfilled. Workmen are attaching plastic drainage tubing to the steel outlet pipe; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-204NA Klamath Project - Oregon-California. View of outlet end of closed drain line before it was backfilled. Workmen are attaching plastic drainage tubing to the steel outlet pipe; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 78. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN -12-201-208NA Klamath Project - Oregon-California. View of outlet end of closed drain line. The steel pipe is attached to the plastic tubing. Some shovel work is needed to fine grade the invert of ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN -12-201-208NA Klamath Project - Oregon-California. View of outlet end of closed drain line. The steel pipe is attached to the plastic tubing. Some shovel work is needed to fine grade the invert of the trench and place the steel pipe on the desired grade; December 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN -12-201-208NA Klamath Project - Oregon-California. View of outlet end of closed drain line. The steel pipe is attached to the plastic tubing. Some shovel work is needed to fine grade the invert of the trench and place the steel pipe on the desired grade; December 1972; Bureau of Reclamation photo by D. W. Stein Close

• 79. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-214NA Klamath Project - Oregon-California. Change Order #2 - This picture shows the trench stopping at the N-15-b Lateral. From this point, the steel pipe was jacked across the lateral to the ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-214NA Klamath Project - Oregon-California. Change Order #2 - This picture shows the trench stopping at the N-15-b Lateral. From this point, the steel pipe was jacked across the lateral to the drain (a distance of 112 feet); February 1973; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-214NA Klamath Project - Oregon-California. Change Order #2 - This picture shows the trench stopping at the N-15-b Lateral. From this point, the steel pipe was jacked across the lateral to the drain (a distance of 112 feet); February 1973; Bureau of Reclamation photo by D. W. Stein Close

• 80. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor

  	CN-12-201-215NA Klamath Project - Oregon-California. View of open trench with tubing and cinder envelope in place. Note trenching machine in operation in the distance; December 1972; Bureau of Reclamation ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-215NA Klamath Project - Oregon-California. View of open trench with tubing and cinder envelope in place. Note trenching machine in operation in the distance; December 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-215NA Klamath Project - Oregon-California. View of open trench with tubing and cinder envelope in place. Note trenching machine in operation in the distance; December 1972; Bureau of Reclamation photo by D. W. Stein Close