Search U.S. government technical reports digitized or harvested by TRAIL.
Accident reduction in Alabama coal mines
Explosions in Alabama coal mines
Fatalities in Alabama coal mines
Lost-time accidents in some Alabama coal and iron mines during 1930
Fatal accidents in Alabama coal mines during 1930
Good rock-dusting and ventilation practice in two Alabama coal mines
Coal-mine fatalities in Alabama :1931-34
Explosions in Alabama coal mines
Roof bolting in Alabama coal mines and iron-ore mines
Economic evaluation of horizontal borehole drilling for methane drainage from coalbeds