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CN-12-201-181NA Klamath Project - Oregon-California. Front end loader moving in to dump cinders into hopper; October 11, 1972; Bureau of Reclamation photo by D. W. Stein
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P-12-200-2964NA Klamath Project - Oregon-California. View of spillway, looking west. The backhoe is excavating the cut-off trench at the downstream toe of the spillway; April 1974; Bureau of Reclamation ...
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P-12-200-3062NA Klamath Project - Oregon-California. View of Hoes Trencher with hopper, placing 4" plastic pipe on Line #11-1. Cinders are dumped onto conveyor where they are carried to hopper and placed ...
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54. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor
P-12-200-3077NA Klamath Project - Oregon-California. View of trencher and 10 cubic yard end dump truck during installation of closed drain #19-1; January 1975; USBR photo by D. W. SteinCitation -
55. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor
P-12-200-3091NA Klamath Project - Oregon-California. General view of trenching and installing cinders and pipe on Closed Drain #53-2; February 1975; USBR photo by D. W. SteinCitation -
56. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor
P-12-200-3092NA Klamath Project - Oregon-California. General view of trenching and installing cinders and pipe on Closed Drain #53-2; February 1975; USBR photo by D. W. SteinCitation -
57. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor
P-12-200-3093NA Klamath Project - Oregon-California. General view of trenching and installing cinders and pipe on Closed Drain #53-2; February 1975; USBR photo by D. W. SteinCitation -
58. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Company, Contractor
P-12-200-3096NA Klamath Project - Oregon-California. View looking upstream on line #53-1. Note water in trench; February 1975; USBR photo by D. W. SteinCitation -
59. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Co., Contractor
P-12-200-4010NA Klamath Project - Oregon-California. View of trench after pipe and cinders have been placed, #45-1 Closed Drain. Note water collecting in trench; March 1975; USBR photo by D. W. Ste...Citation -
60. [Image] Closed Drain Construction, Tule Lake Area, Sump 3 - Specs. 200C-910 - Patterson Constr. Co., Contractor
P-12-200-4011NA Klamath Project - Oregon-California. View of trench after pipe and cinders have been placed, #45-1 Closed Drain. Note water collecting in trench; March 1975; USBR photo by D. W. Ste...Citation