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  • 4499
    P12-201-4417 NA Klamath Project, OR-CA. Ady Canal--Inside tunnel. View of tunnel lead and how tunnel is left, protected from sloughing until next shift begins; August 11, 1977; USBR photo by D.J. Kline ...
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  • 4500
    P12-201-4418 NA Klamath Project, OR-CA. Center Canal Flume--Water level in flume spilling over spillway. This has occurred several times this month; August 16, 1977; USBR photo by D.J. Kline
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  • 4503
    P12-201-4422 NA Klamath Project, OR-CA. Ady Canal--1'x1' steel H beam was used between kickers and tunnel cribbing; August 25, 1977; USBR photo by D.J. Kline
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  • 4504
    P12-201-4423 NA Klamath Project, OR-CA. Ady Canal - West Portal--Exiting of tunnel shield from SP RR tunnel. Note double wall cribbing as requested by Pace Engineering; August 3, 1977; USBR photo by ...
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  • 4506
    P12-201-4425 NA Klamath Project, OR-CA. Ady Canal--Showing Hwy 97 tunnel west side of 94" tunnel liner plate enclosing 84" CMP carrier pipe; September 9, 1977; USBR photo by D.J. Kline
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  • 4507
    P12-201-4426 NA Klamath Project, OR-CA. Ady Canal--To get carrier pipe through the tunnel liner ice (crushed) was spread over sand bedding in tunnel liner plate. A car hood was used as a sled on leading ...
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  • 4509
    P12-201-4428 NA Klamath Project, OR-CA. Ady Canal--due to damaged gates, contractor building a bulkhead for dewatering Ady Canal to excavate for siphon; August 29, 1977; USBR photo by D.J. Kline
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  • 4511
    P12-201-4430 NA Klamath Project, OR-CA. Ady Canal, Hwy 97, and SPRR Siphon-- Contractor forces repairing bedding for Hwy 97 which is sloughed out when shoring on the east side of the hwy shifted. This ...
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  • 4512
    P12-201-4421 NA Klamath Project, OR-CA. Reinforcement added at Pace Engineering request (designer of shoring for siphon) for Hwy 97 tunnel east portal. OSHA approved this design to prevent further sloughing ...
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  • 4513
    P12-201-4431 NA Klamath Project, OR-CA. Ady Canal--Initial shoring installed to prevent further failure of the east shoring at Hwy 97. This was installed on Aug. 17 prior to the tunnel shield fully exiting ...
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