Search U.S. government technical reports digitized or harvested by TRAIL.
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
Technology and Uses of Silica and Sand
Passage of Solid Particles Through Rotary Cylindrical Kilns
Reduction Mills in Montana in 1925
Practical Underground Education of the Coal Miner
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
Technology and Uses of Silica and Sand
Mining of Thin Coal Beds in the Anthracite Region of Pennsylvania
Regulations and Inspection Prevent Accidents from Falls of Roof
The Manganese Situation from a Domestic Standpoint
Fifty-Nine Coal-Mine Fires: How They Were Fought and What They Teach
Drilling and Blasting in Open-Cut Copper Mines
Petroleum Refinery Statistics, 1926
Magnetic Concentration of Iron Ores of Alabama
Petroleum Refinery Statistics, 1916-1925