On March 1, 1977, water poured into the Porter Tunnel mine in western Schuylkill County. Emergency crews raced to the scene.
On December 1, 1871, the Kalmia Colliery breaker burned to the ground, nearly killing a night crew of workers trapped inside by the fumes.
On December 18, 1869, six people were killed when a mine cave-in swallowed their homes in Luzerne County.
David Watkeys was pulled unconscious from the Williamstown Tunnel on May 25, 1904. He survived to tell his story.
10 miners were killed when toxic gas from a locomotive filled Williamstown Tunnel on May 25, 1904
"The excitement is great," reported the Lykens Register in April 1872. Williamstown Colliery had just experienced its deadliest accident to date.