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• 121. [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

• 122. [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

• 123. [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

• 124. [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

• 125. [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

• 126. [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

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

  	P12-200-2925NA Klamath Project - Oregon-California. Hopper and digging chain are being lowered to grade at right angles to an open collector drain prior to the start of a new closed drain line; 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 P12-200-2925NA Klamath Project - Oregon-California. Hopper and digging chain are being lowered to grade at right angles to an open collector drain prior to the start of a new 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 P12-200-2925NA Klamath Project - Oregon-California. Hopper and digging chain are being lowered to grade at right angles to an open collector drain prior to the start of a new closed drain line; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2926NA Klamath Project - Oregon-California. View of hopper unit and digging chain in position to start excavating a new closed drain line; November 1972; Bureau of Reclamation photo by D. W. ...
  	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 P12-200-2926NA Klamath Project - Oregon-California. View of hopper unit and digging chain in position to start excavating a new 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 P12-200-2926NA Klamath Project - Oregon-California. View of hopper unit and digging chain in position to start excavating a new closed drain line; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2927NA Klamath Project - Oregon-California. Conveyor belt used to move cinders from dump truck to the hopper unit; 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 P12-200-2927NA Klamath Project - Oregon-California. Conveyor belt used to move cinders from dump truck to the hopper unit; 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 P12-200-2927NA Klamath Project - Oregon-California. Conveyor belt used to move cinders from dump truck to the hopper unit; November 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2928NA Klamath Project - Oregon-California. View of contractor's workers threading plastic drainage tubing into hopper unit; 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 P12-200-2928NA Klamath Project - Oregon-California. View of contractor's workers threading plastic drainage tubing into hopper unit; 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 P12-200-2928NA Klamath Project - Oregon-California. View of contractor's workers threading plastic drainage tubing into hopper unit; November 1972; Bureau of Reclamation photo by D. W. Stein Close