Browse TRAIL Inventories

Clinker Formation as Related to the Fusibility of Coal Ash

Petroleum Refinery Statistics: 1930

Mining Petroleum by Underground Methods: A study of Methods used in France and Germany and Possible Application to Depleted Oil Fields under American Conditions

Contributions to the Data on Theoretical Metallurgy: [Part] 1. The Entropies of Inorganic Substances

Safety Practices in California Gold Dredging

Rubber-Sheathed Trailing Cables

Tests of Rock-Dust Barriers in the Experimental Mine

Heat Transfer From a Gas Stream to a Bed of Broken Solids

Removal of Soot from Furnaces and Flues by the Use of Salts or Compounds

Permissible Electric Cap Lamps and Ventilation in Certain California Mines and Water-Tunnel Construction

The Ignition of Fire Damp by Explosives: A Study of the Process of Ignition by the Schlieren Method

Small-scale placer-mining methods

Small-scale placer-mining methods

Silver consumption in the arts and industries of the United States in 1930 and 1931

Physical-chemical properties of methane

Crushing and grinding limestone at the Howes Cave (N.Y.) plant of the North American Cement Corporation

Milling methods at the Concentrator of the Walker Mining Co., Walkermine, Calif.

Hazards to underground workers from inflammable surface structures near mine openings

The importance of discipline in mine safety

Mining methods and costs at the Braden Copper Co.'s mines, Sewell, Chile

Medical service, accident reports, compensation, and welfare at iron mines in the Lake Superior region

How to prevent death and injury from falls of roof in coal mines

Fuels consumed by the Federal Government during the fiscal year ended June 30, 1930

Good rock-dusting and ventilation practice in two Alabama coal mines

Economic size of metal-mine airways

Mining practice at the Edwards mine of the St. Joseph Lead Co., St. Lawrence County, N.Y.

Milling methods and costs at the Morning Concentrator of the Federal Mining and Smelting Co., Mullan, Idaho

Sinking practice and costs at the Pim Shaft, St. Louis Smelting & Refining Works, National Lead Co., St. Francois, Mo.

Milling methods and costs at the Page Concentrator of the Federal Mining and Smelting Co., Kellogg, Idaho

Shaft-Sinking Practices and Costs

Summarized Data of Tin Production

Official changes in the active list of permissible explosives and blasting devices approved prior to January 31, 1933

A study of falls of roof and coal in Northern Colorado

Washability studies of Blue Creek Bed at Connellsville Mine, Connellsville, Ala.

Review of fatalities in the California petroleum industry during the calendar year 1932

Explosive shattering of minerals

Washability studies of Mary Lee Bed at Powhatan Mine, Powhatan, Ala.

Washability studies of coal from the Mary Lee Bed at the Bankhead Mine, Bankhead, Ala.

A study of falls of roof and coal, Rock Springs Coal District, Sweetwater County, Wyo.

A study of subsurface pressures and temperatures in flowing wells in the east Texas field and the application of these data to reservoir and vertical-flow problems

A study of "bottom-hole" samples of East Texas crude oil

Investigations during 1932 of combustibles in manholes in Boston, Mass.

Consumption trends in the roofing-slate industry

The cleaning of fine coal from the Mary Lee Bed at the Porter Mine

Identification of cerussite and anglesite, and flotation with galena

Comparison of methods for determining friability of coal

Safety at petroleum cracking plants

Corrosion of steel by gases containing traces of hydrogren sulphide :effect of pressure and moisture conditions

Silicosis and tuberculosis among miners of the tri-state district of Oklahoma, Kansas and Missouri.

Theory of the torsion balance :with a preliminary study of a modification of the instrument to decrease time of gravity measurements


Published Year

Subject

Author

‹‹ previous 1 2 ... 36 37 38 39 40 41 42 ... 225 226 next ››