Search U.S. government technical reports digitized or harvested by TRAIL.
Gas explosions in buildings :their cause and prevention
Annual report of research and technologic work on coal, fiscal year 1940
Cooling mine air during summer months to prevent roof falls
The cement industry of Latin America
Some information on extinguishing an anthracite refuse-bank fire near Mahanoy City, Pa.
Annual report of research and technologic work on coal, fiscal year 1939
Nonmetallic mineral industries in 1939
Open-pit mining and milling methods and costs at the Yellow Aster Mine, Randsburg, Calif.
Accident experience of four Louisiana petroleum refineries, 1929- 38
Fatalities at Indiana coal mines, 1934-38
Mine Safety Board decision 32 :prevention of coal-dust explosions by rock dusting
List of permissible mine equipment approved to January 1, 1940
Reconnaissance of mining districts in Churchill County, Nev.
Accident experience at pebble-phosphate operations in Florida, 1930-38
Coal-Mine Accidents in the United States, 1937
Quarry Accidents in the United States During the Calendar Year 1938
Mechanical Shoveling in Underground Metal Mines
Fire-Retardant Treatments of Liquid-Oxygen Explosives
Utilization of natural gas for chemical products
Construction of the Bingham-Copperfield vehicular tunnel
How mine workers can help to prevent mine explosions
Bauxite resources of the United States
Limits of inflammability of acrylonitrile in air
Report of the nonmetals division, fiscal year 1941
A study of timber decay in the Crucible Mine of the Crucible Fuel Co.
Cooperative fuel research motor-gasoline survey :summer 1940
Storage of subbituminous coal in bins
Active list of permissible explosives and blasting devices approved prior to June 30, 1941
Effect of particle size on the rate of oxidation of anthracite
Carbonaceous cation and anion exchangers in water treatment
Progress reports :metallurgical division.
Asphalts from some Wyoming and other asphalt-bearing crude oils
Comparison of manganese steel with carbon steel for detachable-bit drill rods
Limits of inflammability of butadiene in air
Studies of roof movement in coal mines.
Progress reports :metallurgical division.
Survey of fuel consumption at refineries in 1939
Use of subaudible noises for prediction of rock bursts
Measuring particle-size distribution and colloid content of oil-well drilling fluids
Activated carbon from coal refuse for water purification
Role of clay and other minerals in oil-well drilling fluids
Performance of subbituminous coal in a typical underfeed domestic stoker
Froth flotation and agglomerate tabling of micas
Carbonaceous cation exchangers from coal and coal refuse
Alunite resources of the United States
Progress reports :metallurgical division.
Progress report :experiments on strength of small pillars of coal in the Pittsburgh bed