Browse TRAIL Inventories

Precipitation of copper from an acid mine water

Periodic pincer to control flow of wet ore pulp through an orifice

Filter-paper method for obtaining dust-concentration results comparable to impinger results

Equilibria in the reduction of chromic oxide by carbon, and their relation to the decarburization of chromium and ferrochrome

Some suggestions on care in the use and handling of explosives in coal mines

Marketing vermiculite

Accidents to children from blasting caps

Possible hazards attending the use of engines operated on butane fuel in mining and tunneling

The burning rate of fuse

Suggested hoisting-signal code for metal-mine shafts

Hazards from common gases and vapors encountered at surface disasters

Mining and milling operations of the Rutile Mine of the Titanium Alloy Co., of Arkansas, Hot Spring County, Ark.

Testing safety catches on mine cages at some eastern bituminous-coal mines

Some of the hazards of auxiliary fans in coal mines

Control of silicosis hazard by substitution of quartz-free or low-quartz material for sand under mine locomotives

Blasting hazards in strip mines adjacent to underground workings

Prospect trenching with caterpillar-mounted angledozers

Prevention of fires caused by electric arcs and sparks from trolley wires

Bureau of Mines exploration of mercury deposits to June 30, 1944

Successful system for signaling from mine cages at rest or in motion

Low-temperature carbonization of Alaskan coals

Precautions to be taken when approaching old mine workings

Langbeinite

Influence of humidity upon the resistivity of solid dielectrics and upon the dissipation of static electricity

Fluorescent minerals used in lighting and elsewhere

Use and misuse of flame safety lamps

Permissible mine equipment approved during 1943

Milling and smelting operations of the Magma Copper Co., Superior, Ariz.

Corundum

Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level

Moose Creek district of Matanuska coal fields, Alaska

Carbonizing properties of Pocahontas no. 3-bed coal from Kimball, McDowell county, W. Va. :and the effect of blending this coal with Pittsburgh-bed coal

Bureau of Mines research on the hydrogenation and liquefaction of coal and lignite

Electrical devices applied to metallurgical research

Coke-oven accidents in the United States :calendar year 1942

Rare and uncommon chemical elements in coal

The flow of coal-ash slag on furnace walls

Production of industrial explosives in the United Statesduring the calendar year 1942

Carbonizing properties of western region interior province coals and certain blends of these coals

Thermodynamic properties of carbides of chromium

Analyses of Virginia coals.

Precision jigging as a substitute for laboratory sink-float

Wartime application of air-gas injection and oil-well reconditioning in the Appalachian region

A method for surveying drill holes by oriented drill rods

Preparation and properties of metal carbides :with critical comment as to the significance in the Fischer-Tropsch synthesis

Application of the back-pressure method for determining absolute open flows of large gas wells

Applications of thermal analysis to clays and aluminous minerals

National motor-gasoline survey :Winter 1943-44

Apparatus for determining the minimum energies for electric-spark ignition of flammable gases and vapors

Safety blasting practices in a New York quarry


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