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

  	CN-12-201-258NA Klamath Project - Oregon-California. Another view of the Laser Beam control panel; 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-12-201-258NA Klamath Project - Oregon-California. Another view of the Laser Beam control panel; 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-12-201-258NA Klamath Project - Oregon-California. Another view of the Laser Beam control panel; November 1972; Bureau of Reclamation photo by D. W. Stein Close

• 432. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 2000-842, Patterson Constr. Co., Contractor

  	CN-12-201-263NA Klamath Project - Oregon-California. Overall view of borrow pit used by the contractor for road base material. Pit is also used by Modoc County under a USBR license; March 1973; Bureau ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 2000-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-263NA Klamath Project - Oregon-California. Overall view of borrow pit used by the contractor for road base material. Pit is also used by Modoc County under a USBR license; March 1973; Bureau of Reclamation photo by D. W. Stein Title: Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 2000-842, Patterson Constr. Co., Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1973, 2009, 2007 CN-12-201-263NA Klamath Project - Oregon-California. Overall view of borrow pit used by the contractor for road base material. Pit is also used by Modoc County under a USBR license; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-264NA Klamath Project - Oregon-California. View of DW-20 scraper hauling road base material from the USBR pit at the south end of Sump 1-A. Owing to their large capacity (25 c.y.) and resultant ...
  	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-12-201-264NA Klamath Project - Oregon-California. View of DW-20 scraper hauling road base material from the USBR pit at the south end of Sump 1-A. Owing to their large capacity (25 c.y.) and resultant weight, the use of scrapers proved to be an unsuccessful method of moving dirt around in the sump area. In driving across previously filled areas, the loaded scrapers forced the road base material down into the ground; 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-12-201-264NA Klamath Project - Oregon-California. View of DW-20 scraper hauling road base material from the USBR pit at the south end of Sump 1-A. Owing to their large capacity (25 c.y.) and resultant weight, the use of scrapers proved to be an unsuccessful method of moving dirt around in the sump area. In driving across previously filled areas, the loaded scrapers forced the road base material down into the ground; February 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-265NA Klamath Project - Oregon-California. DW-20 scraper is placing road fill material on south one- half mile of the road under construction; March 1973; 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: 1973, 2009, 2007 CN-12-201-265NA Klamath Project - Oregon-California. DW-20 scraper is placing road fill material on south one- half mile of the road under construction; March 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-12-201-265NA Klamath Project - Oregon-California. DW-20 scraper is placing road fill material on south one- half mile of the road under construction; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-266NA Klamath Project - Oregon-California. Side view of DW-20 scraper placing road base material; March 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-12-201-266NA Klamath Project - Oregon-California. Side view of DW-20 scraper placing road base material; March 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-12-201-266NA Klamath Project - Oregon-California. Side view of DW-20 scraper placing road base material; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-267NA Klamath Project - Oregon-California. View of DW-20 scraper crossing the English Channel bridge; March 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-12-201-267NA Klamath Project - Oregon-California. View of DW-20 scraper crossing the English Channel bridge; March 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-12-201-267NA Klamath Project - Oregon-California. View of DW-20 scraper crossing the English Channel bridge; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-268NA Klamath Project - Oregon-California. Front view of scraper crossing English Channel bridge; March 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-12-201-268NA Klamath Project - Oregon-California. Front view of scraper crossing English Channel bridge; March 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-12-201-268NA Klamath Project - Oregon-California. Front view of scraper crossing English Channel bridge; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-270NA. Klamath Project - Oregon-California. View of borrow area at south end of Tule Lake Sump 1-A. Tractor is pushing a DW-20 scraper to get it loaded; March 1973; 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: 1973, 2009, 2007 CN-12-201-270NA. Klamath Project - Oregon-California. View of borrow area at south end of Tule Lake Sump 1-A. Tractor is pushing a DW-20 scraper to get it loaded; March 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-12-201-270NA. Klamath Project - Oregon-California. View of borrow area at south end of Tule Lake Sump 1-A. Tractor is pushing a DW-20 scraper to get it loaded; March 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-271NA Klamath Project - Oregon-California. View of Bridge over “N” Canal, looking east. This bridge was used for hauling road material. Note 6-inch by 24-inch timbers that were used to reinforce ...
  	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-12-201-271NA Klamath Project - Oregon-California. View of Bridge over “N” Canal, looking east. This bridge was used for hauling road material. Note 6-inch by 24-inch timbers that were used to reinforce bridge. Fill was placed to smooth the approach and lessen the impact on the bridge; Februry 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-12-201-271NA Klamath Project - Oregon-California. View of Bridge over “N” Canal, looking east. This bridge was used for hauling road material. Note 6-inch by 24-inch timbers that were used to reinforce bridge. Fill was placed to smooth the approach and lessen the impact on the bridge; Februry 1973; Bureau of Reclamation photo by D. W. Stein Close

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

  	CN-12-201-272NA Klamath Project - Oregon-California. View of north end of English Channel bridge. Note light area showing rotten deck planks on bridge. Road material was hauled over this bridge; March ...
  	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-12-201-272NA Klamath Project - Oregon-California. View of north end of English Channel bridge. Note light area showing rotten deck planks on bridge. Road material was hauled over this bridge; March 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-12-201-272NA Klamath Project - Oregon-California. View of north end of English Channel bridge. Note light area showing rotten deck planks on bridge. Road material was hauled over this bridge; March 1973; Bureau of Reclamation photo by D. W. Stein Close