Search U.S. government technical reports digitized or harvested by TRAIL.
Coke-oven accidents in the United States during the calendar year 1919
Coke-oven accidents in the United States :during the calendar year 1920
Accidents at metallurgical works in the United States during the calendar year 1919
Metal-mine accidents in the United States :during the calendar year 1920
Quarry accidents in the United States :during the calendar year 1920
Accidents at metallurgical works in the United States :during the calendar year 1920
Coal-mine fatalities in the United States, 1921
Explosives used in December, 1922
Consumption of explosives in June, 1926
Consumption of explosives in September, 1926
Coal-mine fatalities in October, 1926
Accidents at metallurgical works in the United States :during the calendar year 1927