Early Pennsylvania Mining Disasters
1869-Avondale Mine Disaster-110 workers killed.
1891-Mammoth Mine Disaster-109 men and boys killed.
1904-Harwick Mine Disaster-179 workers killed and 2 aid workers (estimated).
1907-Darr Mine Disaster-239 men and boys killed.
1908-Marianna Mine Disaster-154 workers killed.
1913-Cincinnati Mine Disaster-96 workers and 1 rescue team member died.
1928-Mather Mine Disaster-195 workers killed.
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Under 100 Workers Killed
1896-Twin Shaft Disaster-58 workers killed.
1907-Naomi Mine Disaster-35 workers killed, at least.
1910-Earnest Mine Explosion-11 workers killed.
1914-Diamond Mine Accident-13 workers killed.
1916-Ernest Mine Explosion-27 workers killed.
Notes-
~The 1869 disaster at Avondale prompted the Commonwealth of Pennsylvania to enact inspection laws for anthracite mines.
~In 1907-December 6th, the Monongah Mine Disaster occurred in Monongah, WV. 362 men killed.
