P12-201-4438 NA Klamath Project, OR-CA. Center Canal Flume--View of flume south wall near pile cap where water exited after piping along fllume wall. This water flowed into the void adjacent to the outlet transition west toward flume pier excavation. The leak at its high point was comparable to a 5-inch line break; August 19, 1977; USBR photo by D.J. Kline