Search U.S. government technical reports digitized or harvested by TRAIL.
Production of explosives in the United States :during the calendar year 1928
Coke-oven accidents in the United States :during the calendar year 1928
Accidents at metallurgical works in the United States :during the calendar year 1928
Consumption of explosives in May, 1931.
Consumption of explosives in June, 1931
Consumption of explosives in April, 1931
Consumption of explosives in February, 1931
Coal-Mine Accidents in the United States, 1930
Production of explosives in the United States :during the calendar year 1932
Coal-Mine Accidents in the United States, 1932
Coal-Mine Accidents in the United States, 1933
Coal-Mine Accidents in the United States, 1934
Coal-Mine Accidents in the United States, 1935
Metal-Mine Accidents in the United States During the Calendar Year 1935
Production of explosives in the United States during the calendar year 1938
Coal-Mine Accidents in the United States, 1936
Metal-Mine Accidents in the United States During the Calendar Year 1936