1968 Press Photo Aerial view of damage to National Die Casting Co plant, Chicago

Lincolnwood, Illinois: This view from a helicopter shows damage to the National Die Casting Co. plant on the northwestern edge of Chicago. An explosion ripped through the building today leaving at least two dead and scores injured . Cause of the blast has not been learned.

Photo is dated 1968.

Photo measures 9.75 x 8 inches.