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81. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-216NA Klamath Project - Oregon-California. View of open trench with tubing and cinder envelope in place. Note the water which has entered this trench; December 1972; Bureau of Reclamation photo ...Citation -
82. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-217NA Klamath Project - Oregon-California. View of open trench showing high water table. Top of cinder envelope is approximately 4 feet below ground; December 1972; Bureau of Reclamation photo ...Citation -
83. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-218NA Klamath Project - Oregon-California. View of trenching equipment in operation; November 1972; Bureau of Reclamation photo by D. W. SteinCitation -
84. [Image] Closed Drain Construction - Tule Lake Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-219NA Klamath Project - Oregon-California. View of freshly excavated trench containing plastic drainage tubing and the appurtenant cinder envelope; November 1972; Bureau of Reclamation photo ...Citation -
85. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-220NA Klamath Project - Oregon-California. View of freshly excavated closed drain line. The plastic drainage tubing and cinder envelope are already in place at the bottom of the trench. Note ...Citation -
86. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-221NA Klamath Project - Oregon-California. View of completed drain. Earth is humped up over the trench to allow for future settlement; February 1973; Bureau of Reclamation photo by D. W. Stei...Citation -
CN-12-201-222NA Klamath Project - Oregon-California. View of completed closed drain line with dirt humped up over the trench to allow for future settlement; November 1972; Bureau of Reclamation photo by ...
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88. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-225NA Klamath Project - Oregon-California. View of drainage tubing strung out in the field before it was placed in the ground by the trencher; December 1972; Bureau of Reclamation photo by D. ...Citation -
89. [Image] Closed Drain Construction - Tule Lake Sump 3 - Specs, No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-226NA Klamath Project - Oregon-California. View of drainage tubing laid out on the ground ahead of the trencher; December 1972; Bureau of Reclamation photo by D. W. SteinCitation -
90. [Image] Closed Drain Construction - Tule Lake Stamp 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
CN-12-201-228NA Klamath Project - Oregon-California. Overall view of field where a closed drain is being installed. Note the trencher and the cinder truck in the distance; November 1972; Bureau of Reclamation ...Citation