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• 21. [Image] KSD Enlargement, Lower Klamath Lake Division, Specs. 200C-922 - Patterson Constr. Co., Contractor

  	P-12-200-4213NA Klamath Project - Oregon-California. Twenty cu. yd. belly dump spreading load of sub-base material on road area. Laborer spotting dump. View looking north; July 1976; USBR photo by ...
  	Citation × Citation Citation Abstract Copy Title: KSD Enlargement, Lower Klamath Lake Division, Specs. 200C-922 - Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4213NA Klamath Project - Oregon-California. Twenty cu. yd. belly dump spreading load of sub-base material on road area. Laborer spotting dump. View looking north; July 1976; USBR photo by D. W. Stein Title: KSD Enlargement, Lower Klamath Lake Division, Specs. 200C-922 - Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4213NA Klamath Project - Oregon-California. Twenty cu. yd. belly dump spreading load of sub-base material on road area. Laborer spotting dump. View looking north; July 1976; USBR photo by D. W. Stein Close

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

  	CN-12-201-184NA Klamath Project - Oregon-California. Side view of the hopper unit used to feed both pipe and cinders into the trench. The digging chain for the trencher is mounted directly in front of ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 – Specs. No. 200C-842, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-184NA Klamath Project - Oregon-California. Side view of the hopper unit used to feed both pipe and cinders into the trench. The digging chain for the trencher is mounted directly in front of the hopper unit. Operator Charles Schmidli is shown at the controls; November 1972; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 – Specs. No. 200C-842, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2009, 2007 CN-12-201-184NA Klamath Project - Oregon-California. Side view of the hopper unit used to feed both pipe and cinders into the trench. The digging chain for the trencher is mounted directly in front of the hopper unit. Operator Charles Schmidli is shown at the controls; 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-12-201-202NA 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

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

  	CN-12-201-203NA Klamath Project - Oregon-California. View of cutoff trench. The workmen in photo are removing loose material from the cutoff trench; 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, 2009, 2007 CN-12-201-203NA Klamath Project - Oregon-California. View of cutoff trench. The workmen in photo are removing loose material from 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-12-201-203NA Klamath Project - Oregon-California. View of cutoff trench. The workmen in photo are removing loose material from the cutoff trench; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 25. [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

• 26. [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

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

  	CN-12-201-209NA Klamath Project - Oregon-California. The outlet ends of the closed drains were filled and compacted by hand. Note marker post being positioned by workman; November 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-12-201-209NA Klamath Project - Oregon-California. The outlet ends of the closed drains were filled and compacted by hand. Note marker post being positioned by workman; 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-12-201-209NA Klamath Project - Oregon-California. The outlet ends of the closed drains were filled and compacted by hand. Note marker post being positioned by workman; 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

  	CN-12-201-227NA Klamath Project - Oregon-California. Workman is coupling two sections of 4-inch tubing together, A 4-inch collar is taped around the tubing, making a very strong connection; 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-12-201-227NA Klamath Project - Oregon-California. Workman is coupling two sections of 4-inch tubing together, A 4-inch collar is taped around the tubing, making a very strong connection; 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-12-201-227NA Klamath Project - Oregon-California. Workman is coupling two sections of 4-inch tubing together, A 4-inch collar is taped around the tubing, making a very strong connection; 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

  	CN-12-201-296NA Klamath Project - Oregon-California. Experimental Line in Unit 71. Connection to the steel outlet pipe was made in the same manner as with the unsheathed tubing. Plastic tape is used to ...
  	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, 2010, 2007 CN-12-201-296NA Klamath Project - Oregon-California. Experimental Line in Unit 71. Connection to the steel outlet pipe was made in the same manner as with the unsheathed tubing. Plastic tape is used to wrap the overlapped ends and to keep the connection from pulling apart; 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, 2010, 2007 CN-12-201-296NA Klamath Project - Oregon-California. Experimental Line in Unit 71. Connection to the steel outlet pipe was made in the same manner as with the unsheathed tubing. Plastic tape is used to wrap the overlapped ends and to keep the connection from pulling apart; February 1973; Bureau of Reclamation photo by D. W. Stein Close

• 30. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor, Don D. Thompson, Sub-contractor

  	P-12-200-2955NA Klamath Project - Oregon-California. View showing concrete being placed in the crest area of the spillway between Sta. 0+70 and Sta. 1+00. This is the first placement of concrete made ...
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor, Don D. Thompson, Sub-contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1974, 2008, 2006 P-12-200-2955NA Klamath Project - Oregon-California. View showing concrete being placed in the crest area of the spillway between Sta. 0+70 and Sta. 1+00. This is the first placement of concrete made by the Contractor; April 1974; Bureau of Reclamation photo by D. W. Stein Title: Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor, Don D. Thompson, Sub-contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1974, 2008, 2006 P-12-200-2955NA Klamath Project - Oregon-California. View showing concrete being placed in the crest area of the spillway between Sta. 0+70 and Sta. 1+00. This is the first placement of concrete made by the Contractor; April 1974; Bureau of Reclamation photo by D. W. Stein Close