Shots of BP oil refinery, of Union Carbide plant, some smoke. LS of EB Eddy paper mill, Hull. Shot of unidentified granular substance (sawdust?) being blown onto pile. Several shots of same, of spout, of substance, of bulldozer dozing substance, church visible in background. Side shot of stockpile of four-foot logs. LS of part of EB Eddy mill complex from across river. LSs of factory, inactive smokestacks, railway tank cars in foreground. ELS of Sudbury smelter, tall stacks, one smoking heavily. Very hazy shot of Hamilton Steel mills, much smoke billowing up. BOATING SHOT past Hamilton Steel mills, much smoke billowing up. BOATING SHOT past Hamilton Steel mills.