GROUND TO AIR SHOT of Otter and Beaver aircrafts sweeping over camera, dropping water on forest in Ontario. AERIAL SHOTs over forest rangers tower in middle of forest. CS of water tanks on side of plane. Shot showing how water is scooped up as plane sweeps over lake, filling tanks. Various shots of Otter taxiing on lake. CU of engine while taxiing. Several shots of helicopter of "Dominion Helicopter Services" landing and taking off in bush country. Low AERIAL SHOT over beach and resorts area beside lake.