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  • 4582
    P12-201-4500 NA Klamath Project, OR-CA. Ady Canal -- Siphon forming going up for round to square transition on outlet of 84" CMP. Bulkhead in background is for shoring tunnel exit from under SP RR tracks; ...
    Citation
  • 4496
    P12-201-4414 NA Klamath Project, OR-CA. Ady Canal-- Tunnel shield with three sections of liner plate. Preparations set up to tunnel under U.S. Hwy 97, west to east; August 4, 1977; USBR photo by D.J. ...
    Citation
  • 4498
    P12-201-4416 NA Klamath Project, OR-CA. Ady Canal--Entrance way into tunnel. Mining operations have just begun; August 9, 1977; USBR photo by D.J. Kline
    Citation
  • 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 ...
    Citation
  • 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
    Citation
  • 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 ...
    Citation
  • 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
    Citation
  • 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 ...
    Citation
  • 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 ...
    Citation
  • 4514
    P12-201-4432 NA Klamath Project, OR-CA. Ady Canal--the cribbing was cut with a chainsaw and tunnel shield pushed through the hole using hydraulics. View looking west as the shield exits through the shoring; ...
    Citation