TOMAHAWK, Wis. (AP) - Investigators are still trying to
determine what caused an explosion at a Wisconsin paper mill
Three people are dead and another injured by the blast, which
happened as they were performing maintenance on top of a tank that
No fire resulted from the explosion and the main part of the
mill remained in operation yesterday.
The mill is one of four run by Packaging Corporation of America.
This one has three semi-chemical corrugating machines and produces
more than 572 million tons annually.