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

  	CN-12-201-190NA Klamath Project - Oregon-California. View of trenching machine and dump truck loaded with cinders. Plastic drainage tubing is laid out in advance of the trenching operations; November ...
  	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-12-201-190NA Klamath Project - Oregon-California. View of trenching machine and dump truck loaded with cinders. Plastic drainage tubing is laid out in advance of the trenching operations; 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-12-201-190NA Klamath Project - Oregon-California. View of trenching machine and dump truck loaded with cinders. Plastic drainage tubing is laid out in advance of the trenching operations; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-191NA Klamath Project - Oregon-California. View of cinders being discharged onto a conveyor belt which, in turn, discharges the cinders into the hopper unit behind the trencher. The conveyor ...
  	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-12-201-191NA Klamath Project - Oregon-California. View of cinders being discharged onto a conveyor belt which, in turn, discharges the cinders into the hopper unit behind the trencher. The conveyor belt is powered by a small gasoline motor. The conveyor itself is towed forward by each dump truck as they move forward with the trencher; 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-12-201-191NA Klamath Project - Oregon-California. View of cinders being discharged onto a conveyor belt which, in turn, discharges the cinders into the hopper unit behind the trencher. The conveyor belt is powered by a small gasoline motor. The conveyor itself is towed forward by each dump truck as they move forward with the trencher; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 23. [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

• 24. [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

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

  	CN-12-201-197NA Klamath Project - Oregon-California. Close-up view of cinders being fed into the hopper unit. Note how cinders are fed directly from the truck in a continuous operation; November 1972; ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Construction Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-197NA Klamath Project - Oregon-California. Close-up view of cinders being fed into the hopper unit. Note how cinders are fed directly from the truck in a continuous operation; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Construction Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-197NA Klamath Project - Oregon-California. Close-up view of cinders being fed into the hopper unit. Note how cinders are fed directly from the truck in a continuous operation; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-198NA Klamath Project - Oregon-California. Scene showing refueling of trencher; November 1972; 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: 1972, 2009, 2007 CN-12-201-198NA Klamath Project - Oregon-California. Scene showing refueling of trencher; 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-12-201-198NA Klamath Project - Oregon-California. Scene showing refueling of trencher; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 27. [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 × 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-12-201-240NA 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 road was later re-constructed, using select material; 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-12-201-240NA 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 road was later re-constructed, using select material; February 1973; Bureau of Reclamation photo by D. W. Stein Close

• 28. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor

  	P-12-200-3066NA Klamath Project - Oregon-California. View showing compacting earth material with a wacker compactor at outlet end of drain #18-1. Note water coming out of end of pipe; January 1975; ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3066NA Klamath Project - Oregon-California. View showing compacting earth material with a wacker compactor at outlet end of drain #18-1. Note water coming out of end of pipe; January 1975; USBR photo by D. W. Stein Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3066NA Klamath Project - Oregon-California. View showing compacting earth material with a wacker compactor at outlet end of drain #18-1. Note water coming out of end of pipe; January 1975; USBR photo by D. W. Stein Close

• 29. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor

  	P-12-200-3069NA Klamath Project - Oregon-California. View of operator and trencher control panel. Left side of panel shows lights for the Laser; January 1975; USBR photo by D. W. Stein
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3069NA Klamath Project - Oregon-California. View of operator and trencher control panel. Left side of panel shows lights for the Laser; January 1975; USBR photo by D. W. Stein Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3069NA Klamath Project - Oregon-California. View of operator and trencher control panel. Left side of panel shows lights for the Laser; January 1975; USBR photo by D. W. Stein Close

• 30. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor

  	P-12-200-3070NA Klamath Project - Oregon-California. View of 4" line and cinders being installed in closed drain #18-2; January 1975; USBR photo by D. W. Stein
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3070NA Klamath Project - Oregon-California. View of 4" line and cinders being installed in closed drain #18-2; January 1975; USBR photo by D. W. Stein Title: Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-3070NA Klamath Project - Oregon-California. View of 4" line and cinders being installed in closed drain #18-2; January 1975; USBR photo by D. W. Stein Close