Browse TRAIL Inventories

Review of coal supplies and requirements in Western European and Soviet Bloc countries, 1955 and 1956

Administration of the Federal Coal-Mine Safety Act, calendar year 1956

Report of research and technologic work on explosives, explosions, and flames :fiscal years 1953 and 1954

Recommended safety standards for shaft sinking :1957

State regulations pertaining to the use of internal-combustion engines underground

Mining methods and practices at the Mineral Hill Copper Mine, Banner Mining Co., Pima County, Ariz.

Auxiliary and supplemental mine rescue equipment

The role of viscosity in dense-medium coal cleaning

Carbonizing properties of Raleigh County, W. Va., coals

Vapor pressures of liquid iron and liquid nickel

Iowa coals as a source of sulfur

Electrorefining titanium metal

Low temperature tar from fluidized carbonizing reactors

Bulk sampling by diamond drilling :Dudley manganese deposit, Northern District, Aroostook County, Maine

Carbonizing properties of Indiana County, Pa., coals

Thermodynamic properties of titanium-oxygen solutions and compounds

Utilization of South Arcot, India, lignite

The relative corrosion resistance of titanium and some of its alloys

Recovery of tin and tungsten from tin-smelter slags

A field test for selenium

Preparation characteristics of coal from Bell County, Ky.

The titanium-germanium system from 0 to 30 percent germanium

Making ventilation-pressure surveys with altimeters

Expansion of coal in the sole-heated oven :quantitative effects of dry bulk density, moisture content, and particle size

Mining investigations of manganese deposits in the Maggie Canyon area, Artillery Mountains region, Mohave County, Ariz.

Relation between petrographic composition and free-swelling properties of Chilton coal

Synthetic asbestos investigations.

Development of a transistor-type telephone system for mine rescue operations

Consumable-electrode arc melting of titanium and its alloys

Electrowinning chromium metal

Survey of water-flooding projects in Allen, Bourbon, Crawford, Labette, and Neosho counties, Kans.

Anchorage testing of mine-roof bolts.

Preparation characteristics of coal from Logan County, W. Va.

Oil yields of sections of Green River oil shale in Colorado, 1952-54

Laboratory cleaning trials on a Pennsylvania anthracite in a baum-type jig and a dense-medium pilot plant

Preparation of high-purity electrolytic chromium

Laboratory concentration of chromite ores, Red Mountain district, Kenai Peninsula, Alaska

Pikes Peak iron deposits Maricopa County, Ariz.

Carbonizing properties of Westmoreland County, Pa., coals

Determination of the average effective valence state of titanium in sodium chloride

Effects of hydraulic fracturing upon oil recovery from the Strawn and Cisco Formations in North Texas

Metal-porphyrin complexes in an asphaltic midcontinent crude oil

Turbidimetric determination of naphthalene in gas

Field-scale experiments in underground gasification of coal at Gorgas, Ala. :use of electrolinking-carbonization as a means of site preparation

Laboratory investigation of bauxite ore from the Quapaw Deposit, Saline County, Ark.

Rock breakage by explosives

Low-temperature chlorination of columbium-bearing titanium minerals

Roof-span studies in limestone

Manganese dioxide prepared from manganous hydroxide

Electric smelting of cuban serpentine and laterite nickel ores


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