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21981. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-206NA Klamath Project - Oregon-California. Looking into trench where the steel pipe is attached to plastic drainage tubing; February 1973; Bureau of Reclamation photo by D. W. SteinCitation -
21982. [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. SteinCitation -
21983. [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 -
21984. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN -12-201-208NA Klamath Project - Oregon-California. View of outlet end of closed drain line. The steel pipe is attached to the plastic tubing. Some shovel work is needed to fine grade the invert of ...Citation -
21985. [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 -
21986. [Image] Closed Drain Construction - Tule Late Sump 3 - Specs. No, 200C-842, Patterson Constr. Co., Contractor
CN-12-201-210NA Klamath Project - Oregon-California. View of outlet end of closed drain line; December 1972; Bureau of Reclamation photo by D. W. SteinCitation -
21987. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No, 200C-842, Patterson Constr. Co., Contractor
CN-12-201-211NA Klamath Project - Oregon-California. View of outlet end of a completed closed drain line; December 1972; Bureau of Reclamation photo by D. W. SteinCitation -
21988. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-212NA Klamath Project - Oregon-California. View of outlet end of a completed closed drain line. White post is placed directly above the steel outlet pipe. During future cleaning operations, this ...Citation -
21989. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No, 200C-842, Patterson Constr. Co., Contractor
CN-12-201-213NA Klamath Project - Oregon-California. View of completed outlet end of a completed closed drain line. This line is situated across the Pole Line Road; November 1972; Bureau of Reclamation ...Citation -
21990. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-214NA Klamath Project - Oregon-California. Change Order #2 - This picture shows the trench stopping at the N-15-b Lateral. From this point, the steel pipe was jacked across the lateral to the ...Citation