Search U.S. government technical reports digitized or harvested by TRAIL.
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
Acid Processes for the Extraction of Alumina
Petroleum refineries in the United States, January 1, 1928
Natural-gasoline plants in the United States
Accident-prevention work of the Midwest Refining Co.
Safeguarding electrical equipment used in gassy mines :European practice
Propagation of flame in mixtures of natural gas and air
Utilization and Prevention of Molybdenum Waste in Oxidized Lead Ore Treatment
Preliminary ore dressing tests to recover manganese in rhodochrosite ores.
Analyses of West Virginia coals
Development and safety of the storage-battery locomotive
State laws relating to coal-mine timbering
The sulphur problem in burning coal
A system of analysis for oil-field waters
Prevention of accidents with explosives in the tri-state zinc and lead ore producing district
Hazards in connection with concentrated coal mining
Fires and fire prevention in Lake Superior mines