P12-201-4535 NA Klamath Project, OR-CA. Pumping Plant EE -- View looking at west abutment for Plant E bridge. Additional piles for the abutment are shown with the pile on the left finished and the pile on the right refusing at 30' penetration with 3/4" water jet stuck at 23' penetration. Note contractor's personnel working on Vulcan No. 1 hummer after right hummer slide sheared off of hummer. This forced a halt in driving until the hummer was repaired; March 21, 1978; USBR photo by D.J. Kline