Browse TRAIL Inventories

Carbonizing properties of thick Freeport and Pittsburgh coals from Pennsylvania, Elkhorn coal from Kentucky, and America and Mary Lee coals from Alabama

Semi-pilot-plant tests on treatment of manganese-silver ores by the dithionate process

Analyses of Iowa coals.

Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.

Investigation of the Abbott quicksilver mine, Lake County, Calif.

Carbonizing properties of no. 5 block-bed coal from no. 5 mine, Montcoal, Raleigh County, W. Va.,and of Pocahontas no. 6-bed coal from Birdseye mine, Sewell, Fayette County, W. Va.

Carbonizing properties of Beckley-bed coal from Stanaford no. 1 mine, Mount Hope, Raleigh County, W. Va.

Asphalts from Rocky Mountain Crude Oils :laboratory preparation and comparison

Report of research and technologic work on explosives, explosions, and flames :fiscal years 1947 and 1948

Hazards of black blasting powder in underground coal mining

Major disasters at metal and nonmetal mines and quarries in the United States (excluding coal mines)

Mining practices at the Harrington-Hickory mine Beaver County, Utah

Safe electrical practices in two Arizona open-pit mines

Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.

Safeguarding underground workmen from noxious gases resulting from blasting in strip mines

Investigation of the Benjamin Franklin graphite mine (government owned) and the Just graphite mine, Chester County, Pa.

Investigation of tungsten occurrences in Darwin District, Inyo County, Calif.

Investigation of Suffern graphite depositsn Rockland County, N.Y.

Investigation of the Hogan tin mine Kern County, Calif.

The National Fuel Efficiency Program During the War Years, 1943-45

An Index of Shale-Oil Patents

Investigation of tin-bearing pegmatities in the Tinton area, Lawrence County, S. Dak.

Generation and propagation of strain waves in rock :part I

Methods of excavation and roof support used in some recently constructed tunnels

Summary of published information on large-capacity compressed-air receivers for underground mines

Crude-oil and refined products pipe-line mileage in the United States :January 1, 1950

Petroleum refineries, including cracking plants, in the United States, January 1, 1950

Lead smelting in the ore hearth

Investigation of the Sunrise copper-gold mine, Granite County, Mont.

Investigation of Smuggler lead-zinc mine, Aspen, Pitkin County, Colo.

Tests on the control of coal-mine fires in the experimental coal mine

Coal-mining methods and practices and electric power requirements in the Bull Mountain coal field, Montana

Investigation of Guadalupe mercury mine, Santa Clara County, Calif.

Investigation of fluorite deposits of Babb Vein System, Crittenden and Livingston counties, Ky.

Limits of flammability and ignition temperatures of phthalic anhydride

Investigation of Taylor Creek lead-zinc deposit, Kupreanof Island, Petersburg, Alaska

Investigation of mica deposits at the White Bear, Silver Dollar, Buster Dike, and Hot Shot mines, Custer County, S. Dak.

Investigation of the Tapley copper deposit, Hancock County, Maine

Secondary recovery of oil by air and gas injection in the Brenneman Field, Hancock County, W. Va.

Investigation of Eagle Silver lead-zinc mine, Tooele County, Utah

Investigation of the Great Eastern nickel deposit, Clark County, Nev.

Carbon blacks formed by decomposition of mixtures of acetylene with a hydrocarbon or other gas at elevated pressures

Recent rock-dusting experiments for arresting coal-mine explosions

Investigation of Nevada Scheelite, Inc., deposit, Mineral County, Nev.

Flotation of a North Carolina pyrophyllite ore

Investigation of North Empire zinc-lead deposit, Cherokee County, Kans.

Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont.

Investigation of the Cove Meadow copper deposit, Humboldt County, Nev.

Investigation of the New Almaden mercury mine, Santa Clara County, Calif.

Analyses of crude oils from some fields of southeastern United States,


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