Pronto Uranium Mine (01/10/1955): exterior shot of mine at Blind River, Ontario. Sequence on miners going down in cage, coming up. Various underground shots of drilling, loading of ore cars, enjoying a smoke, dumping ore. Sequence on William Bennett, president of Atomic Energy of Canada pressing button to officially open uranium mine. William H Bouck, president of Pronto mine, shakes hands with Bennett. Bennett examines scoopful of uranium ore. CU of ore. Shot of display of uranium ore.