The worst mining disaster in American history occurred on December 6, 1907, when an underground explosion at Monongah in Marion County killed 362 miners.
Learn more:
"All Hope Is Gone" (Monongah Mine
Disaster)
"Scenes Around Mines Just After Disaster" (Monongah
Mine Disaster)
List of Miners Killed at Monongah
Testimony Concerning the Monongah Mine
Disaster
"The Monongah Catastrophe"
Document-Based Questions
On This Day in West Virginia History: December