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

  	P12-200-2914NA Klamath Project - Oregon-California. View of trencher unit beginning a new drain line. Note plastic pipe in hopper unit. It was left there to keep chute from filling up with dirt and cinders ...
  	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, 2008, 2006 P12-200-2914NA Klamath Project - Oregon-California. View of trencher unit beginning a new drain line. Note plastic pipe in hopper unit. It was left there to keep chute from filling up with dirt and cinders during the initial stages of constructing a new drain line; 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, 2008, 2006 P12-200-2914NA Klamath Project - Oregon-California. View of trencher unit beginning a new drain line. Note plastic pipe in hopper unit. It was left there to keep chute from filling up with dirt and cinders during the initial stages of constructing a new drain line; December 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

  	P12-200-2915NA Klamath Project - Oregon-California. View of operator's control panel mounted on Hoes Gigant trenching machine; December 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, 2008, 2006 P12-200-2915NA Klamath Project - Oregon-California. View of operator's control panel mounted on Hoes Gigant trenching machine; 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, 2008, 2006 P12-200-2915NA Klamath Project - Oregon-California. View of operator's control panel mounted on Hoes Gigant trenching machine; December 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

  	P12-200-2916NA Klamath Project - Oregon-California. View of trenching equipment in operation; December 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, 2008, 2006 P12-200-2916NA Klamath Project - Oregon-California. View of trenching equipment in operation; 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, 2008, 2006 P12-200-2916NA Klamath Project - Oregon-California. View of trenching equipment in operation; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2917NA Klamath Project - Oregon-California. View of trenching equipment. The trencher is almost at the end of a newly installed closed drain line. Note the workman threading a short section 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, 2008, 2006 P12-200-2917NA Klamath Project - Oregon-California. View of trenching equipment. The trencher is almost at the end of a newly installed closed drain line. Note the workman threading a short section of plastic drainage tubing into the hopper. This short section will be used to pull plastic tubing into hopper for easy placement in trench when trencher moves to next drain line; 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, 2008, 2006 P12-200-2917NA Klamath Project - Oregon-California. View of trenching equipment. The trencher is almost at the end of a newly installed closed drain line. Note the workman threading a short section of plastic drainage tubing into the hopper. This short section will be used to pull plastic tubing into hopper for easy placement in trench when trencher moves to next drain line; 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 Constr. Co., Contractor

  	P12-200-2918NA Klamath Project - Oregon-California. View of digging and hopper unit being raised out of the open trench at the end of a completed drain line; November 1972; Bureau of Reclamation photo ...
  	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, 2008, 2006 P12-200-2918NA Klamath Project - Oregon-California. View of digging and hopper unit being raised out of the open trench at the end of a completed drain line; 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, 2008, 2006 P12-200-2918NA Klamath Project - Oregon-California. View of digging and hopper unit being raised out of the open trench at the end of a completed drain line; 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

  	P12-200-2919NA Klamath Project - Oregon-California. View of pipe trenching equipment in operation; 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, 2008, 2006 P12-200-2919NA Klamath Project - Oregon-California. View of pipe trenching equipment in operation; 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, 2008, 2006 P12-200-2919NA Klamath Project - Oregon-California. View of pipe trenching equipment in operation; 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

  	P12-200-2921NA Klamath Project - Oregon-California. Side view of trenching equipment in operation. Note how the plastic drainage tubing is stretched out in advance of the trenching machine; 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, 2008, 2006 P12-200-2921NA Klamath Project - Oregon-California. Side view of trenching equipment in operation. Note how the plastic drainage tubing is stretched out in advance of the trenching machine; 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, 2008, 2006 P12-200-2921NA Klamath Project - Oregon-California. Side view of trenching equipment in operation. Note how the plastic drainage tubing is stretched out in advance of the trenching machine; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2922NA Klamath Project - Oregon-California. View of trenching machine. Hopper unit and digging chain have been lifted out of ground; 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, 2008, 2006 P12-200-2922NA Klamath Project - Oregon-California. View of trenching machine. Hopper unit and digging chain have been lifted out of ground; 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, 2008, 2006 P12-200-2922NA Klamath Project - Oregon-California. View of trenching machine. Hopper unit and digging chain have been lifted out of ground; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2923NA Klamath Project - Oregon-California. View of trenching machine starting to excavate a cutoff trench at the outlet end of a closed drain line; November 1972; Bureau of Reclamation photo ...
  	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, 2008, 2006 P12-200-2923NA Klamath Project - Oregon-California. View of trenching machine starting to excavate a cutoff trench at the outlet end of a closed drain line; 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, 2008, 2006 P12-200-2923NA Klamath Project - Oregon-California. View of trenching machine starting to excavate a cutoff trench at the outlet end of a closed drain line; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2924NA Klamath Project - Oregon-California. View of trenching machine digging a cutoff wall; 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, 2008, 2006 P12-200-2924NA Klamath Project - Oregon-California. View of trenching machine digging a cutoff wall; 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, 2008, 2006 P12-200-2924NA Klamath Project - Oregon-California. View of trenching machine digging a cutoff wall; November 1972; Bureau of Reclamation photo by D. W. Stein Close