Search U.S. government technical reports digitized or harvested by TRAIL.
Twenty-first semiannual motor gasoline survey
A study of the properties of Texas polyhalite pertaining to the extraction of potash
Check determinations of fusibility of coal ash with the De Graaf electric coal-ash fusion furnace
Sensitization of ammonium nitrate by nitrostarch
Study of high manganese slags in relation to the treatment of low-grade manganiferous ores
Washability studies of the Mary Lee Seam at Lewisburg, Alabama
A study of the properties of Texas polyhalite pertaining to the extraction of potash.
The recovery of oil from sands by the "gas drive"
The Trauzl block strength of dynamites
A survey of the sulphur content of commercial motor fuels - 1930
A diaphragm or "breather" roof for oil-storage tanks
Acrolein as a warning agent for detecting leakage of methyl chloride from refrigerators
Extinction of methane flames by dichloro-difluoro-methane
Coal-dust explosions in mines caused by direct electrical ignition
Method for measuring voids in porous materials
Fundamental and applied research on the physical chemistry of steel making
Processes for extracting radium from carnotite
The action of sulphur dioxide on manganese oxides at elevated temperatures
The effectiveness of different-size rock dusts in preventing coal-dust explosions in mines
Some phases of the relative responsibility of management and workers for accidents in mines
Economic relations of silver to other metals in argentiferous ores
Petroleum coke :an economic survey of its production and uses
Mining practices, methods, and costs at mine no. 5 of the Marquette Range, Michigan
Mining practice at the Pecos mine of the American Metal Co. of New Mexico
What the superintendent of a coal mine might do to prevent injury from falls of roof
Study of quarry costs :trap rock, sandstone, granite
Methods and costs of concentrating tungsten ore at the Nevada Massachusetts Mill, Mill City, Nevada
Performance tests for trailing cables
Effect of abnormal air conditions on mine workers
Accident prevention in coal mining
Shaft sinking at the Sevier Valley Coal Co. mine
Connection between physical condition and liability to accidents of metal miners
What the mine foreman can do to prevent injury from falls of roof in coal mines
Mining methods and costs at the Pilares mine, Pilares de Nacozari, Sonora, Mexico
Some hazards of conveyor loading in coal mines
Methods and costs of mining at Hartley-Grantham mine, Tri-State zinc and lead district
Driving rock slopes at the new Peerless mine
Safety achievements of a Pennsylvania bituminous-coal mine and of a coal-mine superintendent