Search U.S. government technical reports digitized or harvested by TRAIL.
Economic combustion of waste fuels
The use of electrolytes in the purification and preparation of clays
Solubility of oil shales in solvents for petroleum
Survey of Pacific Coast petroleum products
Use of bituminous coal in househeating furnaces
Use of the churn drill at lime-plant quarries
Use of geophone in locating compressed-air leaks
Storage and transportation of Portland cement :with a bibliography
Why miners' portable electric lamps require safety devices
Accidents at metallurgical works in the United States :during the calendar year 1920
Coal-mine fatalities in the United States, 1921
Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
Evaporation Loss of Petroleum in the Mid-Continent Field
Lessons From the Granite Mountain Shaft Fire, Butte
The motor gasoline surveys of 1920 and 1921 :(a sequel to bulletin 191)
Permissible explosives, mining equipment and apparatus approved prior to January 1, 1923
Rock loading at lime-plant quarries
Quarry problems from the engineer's viewpoint
Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods
Lifting costs at oil well properties
Bibliography of magnesian cements
Report of lignite carbonizing experiments conducted at Grand Forks in 1922
The use of vapor-tight tankage in the oil fields
The value of oxygen breathing apparatus to the mining industry
Morbidity studies as an aid in preventing illness among miners
The treatment of natural-gas gasoline to meet the doctor test
Gasoline saved on government trucks by adjusting carburetors by exhaust gas analysis
Metallurgical possibilities of the descloizite ores at Goodsprings, Nevada
Coal analyses from twenty-five laboratories compared
An economic study of the New Albany shale
The reduction of iron oxides by fuel gases
Physiological effect of high temperatures and humidities with and without air movement
Certain interfacial tension equilibria important in flotation
The universal and the fireman's gas masks
Progress of investigations on liquid-oxygen explosives
Carbon monoxide hazards from house heaters burning natural gas
Mine rescue standards :a tentative study
Metal-mine accidents in the United States :during the calendar year 1921
Quarry accidents in the United States :during the calendar year 1921
Accidents at metallurgical works in the United States :during the calendar year 1921