Browse TRAIL Inventories

Sampling stream gravels for tin, near York, Seward Peninsula, Alaska

Electron micrographs of asbestiform minerals

Operations of manganese-ore-purchasing depots at Deming, N. Mex., and Wenden, Ariz.

Cementation of bituminous-coal-mine roof strata :injection of epoxy and polyester-type resins

Manganese deposits of northeastern Oregon

Hardness testing of titanium sponge : equipment and procedure

The Bureau of Mines synthetic liquid fuels program, 1944-55 :

Infrared spectra of hydroxy-aromataic organic compounds

Petrographic examination and chemical analyses for several foreign oil shales

Experimental electric furnace smelting of siliceous manganiferous materials

Metallurgical thermochemistry of titanium

A rotating model oil reservoir for simulating gas-cycling operations

Methods for determining water contents of oil-bearing formations

Analyses of some crude oils from Alaska

Experiments in reducing the phosphorus content of a Nevada iron ore

Tin placer and lode investigations, Ear Mountain area, Seward Peninsula, Alaska

Extraction of yttrium and rare-earth elements from Arizona euxenite concentrate

An electrolytic method for separating nickel and cobalt

Irreversible changes in response of minerals to electrostatic separation after heating

Pressure-drop measurements through beds of granular iron, lathe turnings, steel wool, and parallel-plate assemblies

Preparation of rare-earth chloride solutions

High-purity tungsten by fluoride reduction

Fluorescent x-ray spectrographic analysis :studies of low-energy K, L, and M spectral lines

Expanding properties of American coals tested in sole-heated oven

Development of equipment and process for extracting cerium (IV)

Flocculation as an aid to filtration of coal slurry

Thermal refining of low-temperature tar

Evaluation of catalysts for hydrogenating shale oil

Nickel-cobalt-iron bearing deposits in Puerto Rico

Extractive metallurgy of euxenite

Kerosine flotation of coal :semicommercial studies of cell performance

Drying North Dakota lignite to 1,500 pounds pressure by the Fleissner process

X-ray emission spectrographic analysis of high-purity rare-earth oxides

Heat and free energy of formation data for crystalline cadmium and lead metasilicates

Design and test operation of a pneumatic vibrating-blade planer :a progress report on phosphate-mining research, 1956-57

Duplicability studies of the BM-AGA test method and correlation with industrial coking

Volatilization of tin chloride from Bolivian slimes

A hydrogenolysis study of the kerogen in Colorado oil shale

Communication of flame through cylindrical channels

Carbonizing properties of Allegheny County, Pa., coals

Spectrographic analysis of rare-earth elements

Carbonization properties and petrographic composition of Hernshaw coal from Boone County, W. Va.

A gravimetric method for analyzing blast-furnace top gas

Core-drill sampling of Cuyuna-range manganiferous iron formations, Crow Wing County, Minn.

Reconnaissance of Nevada manganese deposits

Heats of formation of lanthanum chloride, lanthanum sulfate, and lanthanum sulfate enneahydrate

Experiments in concentrating lead sulfide slime

Air-cooled crucibles for cold-mold arc melting

Acid-ferrous sulfate leaching of low-grade manganese carbonate and oxide ores, Cuyuna range, Minnesota

Damping capacity :its measurement and significance


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