TRAIL - Technical Report Archive and Image Library

Experiments on safety of incombustible plugs for stemming explosives

Handbook on coal sampling

Investigation of Tungsten Metals Corp. deposits (Minerva mining district) White Pine County, Nev.

A process for the recovery of gold from activated carbon by leaching and electrolysis

Investigation of Nightingale tungsten deposit, Pershing County, Nev.

Investigation of the Atolia tungsten mines, San Bernardino County, Calif.

Investigation of Cherry Creek tungsten district, White Pine County, Nev.

Investigation of Nevada Massachusetts tungsten deposits, Pershing County, Nev.

[Illustrations: Buried Valley of the Susquehanna River: Anthracite Region of Pennsylvania]

Special Equipment in the Coal-Hydrogenation Demonstration Plant

Magnetic Surveys in the Iron Springs District: Iron County, Utah

Extinguishing Fire with Carbon Dioxide in the Valier Mine, Valier Coal Company, Valier, Franklin County, Illinois

Burning Wood Waste for Commercial Heat and Power

Carbon Dioxide Content of Mine-Fire Atmospheres as an Aid when Fighting Metal-Mine Fires

Reconnaissance of Metal Mining in the San Juan Region: Ouray, San Juan, and San Miguel Counties, Colorado

Mines and Mineral Deposits (Except Fuels) Meagher County, Montana

Mines and Mineral Deposits (Except Fuels) Fergus County, Montana

Mines and Mineral Deposits (Except Fuels) Park County, Montana

History of Premium Price Plan for Copper, Lead, and Zinc: 1942-47

Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona

Fuel-Burning Equipment Dimensions Required by Smoke-Abatement Ordinances

Fighting a Fire in Number 59 Mine, Peabody Coal Company, Springfield, Sangamon County, Illinois

Buried Valley of the Susquehanna River: Anthracite Region of Pennsylvania

Safety in the Mining Industry

Investigation of Manganese Deposits in the Philipsburg Mining District, Granite County, Montana

Investigation of the Lake Shore Copper Deposits, Pinal County, Arizona

Burning Anthracite Barley on a Chain-Grate Stoker in a Two-Arch Furnace

National Motor-Gasoline Survey: Winter, 1949-50

Temperature Entropy Chart of Thermodynamic Properties of Nitrogen

Some Innovations in Equipment For Scaling High Roofs and Mine Walls

Annual Report of the Secretary of the Interior for 1949: Synthetic Liquid Fuels, Part 3. - Liquid Fuels from Agricultural Residues

Improvements in Methods for Preparing Thin Sections of Rock

Hydrogenation of Petroleum and Lignite Tar Distillates

National Annual Diesel-Fuel Survey, 1950

National Motor-Gasoline Survey: Summer 1950

Data on Pumping at the Anthracite Mines of Pennsylvania

Development of a Mobile Compressor and Utility Station

Estimate of Known Recoverable Reserves of Coking Coal in Indiana County, Pennsylvania

Estimate of Known Recoverable Reserves of Coking Coal in Cambria County, Pennsylvania

Investigation of Shawangunk Mine Zinc-Lead Deposit, Near Summitville, Sullivan County, New York

American Lignites: Geological Occurrence, Petrographic Composition, And Extractable Waxes

Information on the Prevention of Quarry Accidents

The Isosynthesis

Characterization of Tar Acids from Coal-Hydrogenation Oils

High-Sulfur Pittsburgh Coal: Upgrading in Southwestern Pennsylvania and Northern West Virginia

Carbonizing Properties: West Virginia Coals from the Eagle, Number 2 Gas, Pocahontas Number 3, and Pocahontas Number 4 Beds

Bibliography of Pressure Hydrogenation (In Three Parts): [Part] 1. Review and Compilation of the Literature on Pressure Hydrogenation of Liquid and Solid Carbonaceous Materials

Proceedings: Fifth International Conference of Directors of Mine Safety Research

Preparation Characteristics of Some Coals Available for the Synthetic Liquid Fuels Industry

Carbonizing Properties: Pocahontas Number 6, Davy Sewell, and Fire Creek Coals from West Virginia and Upper and Lower Kittanning and Upper and Lower Freeport Coals from Pennsylvania

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