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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 ...
    Citation
  • 4516
    P12-201-4434 NA Klamath Project, OR-CA. Ady Canal--View looking east across Hwy 97 over tunnel site. Depression caused by shoring failure is visible on far side of road surface; August 19, 1977; USBR ...
    Citation