Search U.S. government technical reports digitized or harvested by TRAIL.
Bureau of Mines Multiple-Diaphragm Recording Subsurface-Pressure Gage
Manufacture of Paraffin Wax from Petroleum
Engineering Factors in the Ventilation of Metal Mines
Lead and Zinc Mining and Milling in the United States: Current Practices and Costs
List of devices for respiratory protection approved by the U.S. Bureau of Mines
Asbestos :milling, marketing, and fabrication
Quarry Accidents in the United States During the Calendar Year 1933
Some suggestions on the safe handling of electric shovel trailing cables in open-pit mines
Mining and grinding methods and costs at the Dennison Sewer Pipe Company Clay Mine, Dennison, Ohio
Pebble phosphate accident experience
Competitive conditions in the international coal trade
Mining methods used in the Grundy coal field of Buchanan County, Va.
Suggested methods for the reduction of mine accidents from the viewpoint of the safety engineer
Consumption of primary and secondary tin in the United States in 1935
Shaft sinking with a shot drill, Idaho Maryland Mine, Grass Valley, Calif.
Some factors affecting an accident-prevention program in metal mining in California
Cooperative fuel research motor-gasoline survey :winter 1935-36
Trends in white-pigment consumption
Silicosis as affecting mining workmen and operations
Coal-mine fatalities in Kentucky in 1934
Statistical analysis of the progress in mechanical cleaning of bituminous coal from 1927 to 1934
Mining and grinding methods and costs at the Evans Pipe Co. Clay Mine, Ulrichsville, Ohio
Costs of trucking and packing ore in western gold-mining districts
Mining and grinding methods and costs at the Clay City Pipe Co. Clay Mine, Uhrichsville, Ohio
Charts for determining the performance of centrifugal fans
Preventing accidents by the proper use of permissible explosives
Hazard of igniting coal by electric circuits in mines
Coal-mine explosions and fires in the United States :during the fiscal year ended June 30, 1935
How to use permissible explosives properly
Methane-indicating detectors prove dependable in sampling air in anthracite mines
Progress report on investigation of detachable rock-drill bits
Notes on testing and explosibility of coal dusts and a proposal to have an international test method
Mining and milling methods and costs :Hog Mountain Gold Mining and Milling Co., Alexander City, Ala.