The Lehigh Valley’s worst industrial accident took place a little over 80 years ago when 20 tons of dynamite exploded prematurely at a limestone quarry in Lower Mount Bethel Township, killing 31 workers.
Lehigh Valley group to remember workers who ve died on the job mcall.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mcall.com Daily Mail and Mail on Sunday newspapers.