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  • 4717
    P12-201-4635NA Klamath Project, OR-CA. Overall view of drill rig with installation of 16" steel casing in progress; April 10, 1979; USBR photo by D.J. Kline
    Citation
  • 4416
    P12-201-4334 NA Klamath Project, OR-CA. Air auger used for drilling holes for bolts and steel pints - 3/4' x 20+"; February 24, 1977; USBR photo by D. J. Kline
    Citation