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141. [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. SteinCitation -
142. [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 -
143. [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 -
P12-201-4485 NA Klamath Project, OR-CA. View of PP 'FF' inlet to siphon transition looking from outlet structure west; November 2, 1977; USBR photo by D.J. Kline
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P12-201-4536NA Klamath Project, OR-CA. Plant E Bridge -- RHC personnel drilling out sheared slide bolts from Vulcan No. 1 hammer. Repairs took 14 man hours to complete; March 21, 1978; USBR photo by ...
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P12-201-4553NA Klamath Project, OR-CA. Pumping Plant E Bridge. Contractor is moving bridge section laterally at this point; April 1978; USBR photo by D.J. Kline
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147. [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 -
148. [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 -
149. [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 -
150. [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