Search U.S. government technical reports digitized or harvested by TRAIL.
Precipitation of gold and silver from cyanide solution on charcoal
Reduction mills in Oregon in 1925
Timbering along the robbing line :factors influencing falls of roof in coal mines
Some economic phases of the carbon-black industry
Railroad fuel oil consumption in 1926
Sources and distribution of major petroleum products :Atlantic Coast states - 1926
Mine safety as affected by electrification
Heavy liquids for mineralogical analyses
Explosibility of coal dust from four mines in Utah
Geophysical methods of prospecting :a brief and elementary account of the principles involved
The function of steam in the limekiln
Accidents at metallurgical works in the United States :during the calendar year 1925
Coke-oven accidents in the United States :during the calendar year 1926
Identification of oil-field waters by chemical analysis
Stop, look and listen! :the roof is going to fall
Desulphurizing action of manganese in iron
The tin situation from a domestic standpoint
Consumption of tin in the United States, 1925
One hundred per cent of the employees of two large Illinois coal mines trained in first aid
Reduction mills in Idaho in 1925
Reduction mills in Utah in 1925
Sources and distribution of major petroleum products :Atlantic Coast states-1925
How are men killed in mines by falls of roof and coal?
Questions and answers on Bureau of Mines approvals of electrical equipment
One hundred and one questions on electrical inspection in and about mines
The chromium situation from a domestic standpoint
Effective rock-dusting of coal mines
Area of unsupported roof in coal mines :conditions and factor[s] for consideration
Fatal accident from entering unventilated raise after blasting
Coal-mine safety organization.
Wanted :more detailed reports on electrical accidents
Instructions for sampling atmospheric dust by the impinger method
Permissible explosives defined
Some phases of accident prevention in industry
Coal-Mine Fatalities in the United States, 1926
Metal-Mine Accidents in the United States During the Calendar Year 1925
Quarry Accidents in the United States During the Calendar Year 1925
Drilling and Blasting in Open-Cut Copper Mines
Problems in the Firing of Refractories