Search U.S. government technical reports digitized or harvested by TRAIL.
Explosions in Alabama coal mines
Fatalities in Alabama coal mines
Fatalities in Tennessee coal mines
Fatal accidents in Alabama coal mines during 1930
Explosions in Kentucky coal mines, January 1, 1884-June 30, 1933
Explosions in Virginia coal mines 1893 to 1933
Accident experience and cost in Virginia coal mines 1929 to 1933, inclusive