Search U.S. government technical reports digitized or harvested by TRAIL.
Coal-Mine Accidents in the United States, 1939
Coal-Mine Accidents in the United States, 1940
Investigations of Permissible Electric Mine Lamps, 1930-40
Seismic Effects of Quarry Blasting
Quarry Accidents in the United States During the Calendar Year 1940
Analyses of crude oils from some fields of Texas
Use of manganese alloys for electrical condenser plates
Electrical transducer circuit for use with capacity pick-up devices
Structural features of typical American commercial detonators
Prevention of butadiene-air explosions by addition of nitrogen and carbon dioxide
Damage from air blast :progress report 2
Hard and soft kaolins of Georgia
The burning rate of natural graphite
Analyses of crude oil from some fields in Kansas
Analysis of the use of electricity at coal mines :progress report 2
Beneficiation of Del Monte (Calif.) sand
Limits of inflammability and ignition temperatures of acetic anhydride
Control of sulfur and ash in mine-run metallurgical coal :report [No.] 1
Control of bulk density of the coal charge in byproduct coke ovens
Application of the Rosin-Rammler law to the "missing sizes" in screened coal
National motor-gasoline survey :Summer 1943
Cooperative investigation of the effect of furnace type and atmosphere on fusibility of coal ash
Inflammability of methylene chloride-oxygen-nitrogen mixtures
Inflammability and explosibility of metal powders
Modern beehive coke-oven practice.
A simple device for detecting small concentrations of organic halide gases in the atmosphere
Effects of sheaths on gaseous products from permissible explosives
Some tools and methods used in cleaning oil wells in California / by G.B. Shea.
Contrasts in grinding characteristics of mineral products
An automatic frequency-controlled oscillator and amplifier for driving mechanical vibrators
Determination of the oxides of nitrogen by the phenoldisulfonic acid method
Smelting of vanadium-bearing titaniferous sinter in an experimental blast furnace
Thermal analysis of clay minerals and acid extraction of alumina from clays
Methods and costs of concentrating h©·ubnerite ores at the Ima tungsten mine, Lemhi County, Idaho
Marketing kyanite and allied minerals
Coke-oven accidents in the United States :calendar year 1941
Some information on automatic coupling of mine cars
Stenches for emergency warnings in metal mines
Device for sampling material carried by silt-bearing streams
Some information on the transportation, storage, and handling of lubricants in and about coal mines
List of respiratory protective devices approved by the Bureau of Mines
Selection, use, and maintenance of respiratory protective devices
Tentative bituminous-and lignite-mine inspection standards :revised September 1943