Winnipeg flood 1973; shots of men working inside Manitoba E.M.O. Flood Control Office, CUs of hands operating communications equipment (1:21). Exterior shots of control office, two men walk out and step into waiting helicopter, it takes off (1:12). CS of poster with flood protection instructions on wall inside control office, ZOOM OUT to CSs and CUs of female telephone operator patching phone calls (1:24). Several shots of E.M.O. team at work inside control room, including CUs of insignas on shirts of Royal Canadian Mounted Police, people talking in microphones and dial phones, HASs of team in control room (4:05).