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

  	P12-200-2941NA Klamath Project - Oregon-California. Another view of a D-8 cat filling open secondary drain; 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 P12-200-2941NA Klamath Project - Oregon-California. Another view of a D-8 cat filling open secondary drain; 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 P12-200-2941NA Klamath Project - Oregon-California. Another view of a D-8 cat filling open secondary drain; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2942NA Klamath Project - Oregon-California. A closer look at a D-8 cat filling an open secondary drain; 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 P12-200-2942NA Klamath Project - Oregon-California. A closer look at a D-8 cat filling an open secondary drain; 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 P12-200-2942NA Klamath Project - Oregon-California. A closer look at a D-8 cat filling an open secondary drain; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2943NA Klamath Project - Oregon-California. View of Laser Beam Command Post set up in field; 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 P12-200-2943NA Klamath Project - Oregon-California. View of Laser Beam Command Post set up in field; 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 P12-200-2943NA Klamath Project - Oregon-California. View of Laser Beam Command Post set up in field; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2944NA Klamath Project - Oregon-California. Another view of Laser Beam Command Post set up in field; 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 P12-200-2944NA Klamath Project - Oregon-California. Another view of Laser Beam Command Post set up in field; 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 P12-200-2944NA Klamath Project - Oregon-California. Another view of Laser Beam Command Post set up in field; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2945NA Klamath Project - Oregon-California. Laser Beam Receiving Unit shown attached to 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 P12-200-2945NA Klamath Project - Oregon-California. Laser Beam Receiving Unit shown attached to 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 P12-200-2945NA Klamath Project - Oregon-California. Laser Beam Receiving Unit shown attached to trenching machine; December 1972; Bureau of Reclamation photo by D. W. Stein Close

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

  	P12-200-2946NA Klamath Project - Oregon-California. View of Laser Beam Receiving Unit mounted on trencher. Note that the control panel for receiver unit is mounted to the left of controls for trencher; ...
  	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 P12-200-2946NA Klamath Project - Oregon-California. View of Laser Beam Receiving Unit mounted on trencher. Note that the control panel for receiver unit is mounted to the left of controls for trencher; 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 P12-200-2946NA Klamath Project - Oregon-California. View of Laser Beam Receiving Unit mounted on trencher. Note that the control panel for receiver unit is mounted to the left of controls for trencher; December 1972; Bureau of Reclamation photo by D. W. Stein Close

• 37. [Image] Klamath Straits Drain Enlargement, Lower Klamath Division Specs. 200C-922, Patterson Construction Company, Contractor

  	P-12-200-4072NA Klamath Project - Oregon-California. View of backfilling 10 foot cut-off trench at Sta. 50±, looking north. A small John Deere dozer was used to backfill. Note water in trench; September ...
  	Citation × Citation Citation Abstract Copy Title: Klamath Straits Drain Enlargement, Lower Klamath Division Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-4072NA Klamath Project - Oregon-California. View of backfilling 10 foot cut-off trench at Sta. 50±, looking north. A small John Deere dozer was used to backfill. Note water in trench; September 1975; USBR photo by D. W. Stein Title: Klamath Straits Drain Enlargement, Lower Klamath Division Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1975, 2009, 2006 P-12-200-4072NA Klamath Project - Oregon-California. View of backfilling 10 foot cut-off trench at Sta. 50±, looking north. A small John Deere dozer was used to backfill. Note water in trench; September 1975; USBR photo by D. W. Stein Close

• 38. [Image] Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor

  	P-12-200-4157NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised coulters for this view. Photo shows 4-inch pipe with drain guard about 5' below natural ground; ...
  	Citation × Citation Citation Abstract Copy Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4157NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised coulters for this view. Photo shows 4-inch pipe with drain guard about 5' below natural ground; May 1976; USBR photo by D. W. Stein Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4157NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised coulters for this view. Photo shows 4-inch pipe with drain guard about 5' below natural ground; May 1976; USBR photo by D. W. Stein Close

• 39. [Image] Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor

  	P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. ...
  	Citation × Citation Citation Abstract Copy Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. Small amount of water was noted seeping into trench. Drain line presently running approximately 4 gals. per minute; May 1976; USBR photo by D. W. Stein Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. Small amount of water was noted seeping into trench. Drain line presently running approximately 4 gals. per minute; May 1976; USBR photo by D. W. Stein Close

• 40. [Image] Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor

  	P-12-200-4159NA Klamath Project - Oregon-California. View of marmots at headworks of drain on left bank. Note large holes that extend very deep below ground surface; May 1976; USBR photo by D. W. S...
  	Citation × Citation Citation Abstract Copy Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4159NA Klamath Project - Oregon-California. View of marmots at headworks of drain on left bank. Note large holes that extend very deep below ground surface; May 1976; USBR photo by D. W. Stein Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4159NA Klamath Project - Oregon-California. View of marmots at headworks of drain on left bank. Note large holes that extend very deep below ground surface; May 1976; USBR photo by D. W. Stein Close