P12-201-4609NA Klamath Project, OR-CA. 'A' Dike #12, Klamath Straits Unit East -- Test Excavation of north ditch Sta. 3+00 on 'A' dike #12 with 627 'B' scraper, scraper found surface even too wet, let alone being able to excavate; May 4, 1979; USBR photo by D.J. Kline