P12-201-4545NA Klamath Project, OR-CA. Center Canal Flume Bridge. Photo taken from south side of flume where the bridge crosses, looking to the NW of flume inlet. Note water surface and disturbance on last section of flume lining. It is possible this return is coming from a grout return hole drilled on an earlier date; March 30, 1978; USBR photo by D.J. Kline