17 h 11 m, 6 dic 1907 año - explosion in West Virginia's Monongah Mine
is the nation's worst industrial disaster.
The "official" number of deaths was 362 adult
and child miners, but later estimates exceed 500
Descripción:
http://freepages.history.rootsweb.ancestry.com/~pfwilson/mmd-mining1.jpg
Añadido al timeline:
fecha:
17 h 11 m, 6 dic 1907 año
Ahora mismo
~ 116 years ago