Browse TRAIL Inventories

Mining methods and costs at the Hart Spur pit of the Fort Worth Sand & Gravel Co., Inc., Fort Worth, Tex.

Mining statutes of the state of Pennsylvania(summarized)

Clay-mining methods and costs at the Corunna (Mich.) pit of the Aetna Portland Cement Co.

Methods and costs of dredging auriferous gravels at Lancha Plana, Amador County, Calif.

Description of the property and operations at the Lewiston Dredge, Lewiston, Calif.

Mining methods and costs at the vanadium mine of the United States Vanadium Corporation, Rifle, Colo.

Accident experience and cost in Tennessee coal mines

Prospecting and exploration for sand and gravel

International Conference of Mine-Safety Research at Buxton, England, July 31, 1931

Methods and costs of mining ferberite ore at Cold Springs Mine, Nederland, Boulder County, Colo.

Safety practices at Mine 1, Spring Canyon Coal Co., Utah

Oil prospecting in Kentucky by resistivity methods,

Explosions in Colorado coal mines, 1833 to 1932

Consumption of silver in the arts and industries of the United States

Method and cost of quarrying, curshing, and grinding limestone at the Security Quarry of the North American Cement Corporation, Security, Md.

Soapstone

Mining methods and costs at the New Cornelia Branch, Phelps Dodge Corporation, Ajo, Ariz.

Sand and gravel dredging methods and costs of J.K. Davison & Bro., Pittsburgh, Pa.

Results of some magnetic measurements on dikes,with experiments upon geophysical differentiation of nickel-ore deposits in the Sudbury district, Ontario, Canada

Carbonizing properties and constitution of washed and unwashed coal from Mary Lee bed, Flat Top, Jefferson County, Alabama

A study of high-manganese slags in relation to the treatment of low-grade manganiferous ores

Coke-oven accidents in the United States during the calendar year 1931

Analyses of Montana coals

Friability, slacking characteristics, low-temperature carbonization assay and agglutinating valur of Washington and other coals

Safety organizations at lake Superior iron mines

Falls of roof and coal in mines operating in the Pittsburgh coal bed in Marion and Monongalia counties, W. Va.

Carbonizing properties and constitution of Pittsburgh bed coal from Edenborn mine, Fayette County, Pennsylvania

A magnetic study of some iron deposits

Carbonizing properties and constitution of Black creek bed coal from Empire mine, Walker county, Ala.

Carbonizing properties of Davis bed coal from Garrett County, Md., and of mixtures with Pittsburgh bed coal

Accident experience and cost of accidents at Washington metal mines and quarries

Falls of roof and coal in mines operating in the Sewickley coal bed in Monongalia County, W. Va.

Carbonizing properties and constitution of no. 6 bed coal from West Frankfort, Franklin county, Illinois

Accidents at metallurgical works in the United States :during the calendar year 1930

Quartz gem stones

Pumice and pumicite

List of motors available to prospective builders of permissible outfits

Milling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, Calif.

Milling methods at the Questa concentrator of the Molybdenum Corporation of America, Questa, New Mexico

Mining laws of Egypt

250 versus 500 volts or more for circuits in gassy coal mines

Selecting and training the refinery personnel to prevent accidents

Official changes in the active list of permissible explosives and blasting devices for February and March, 1932

Character of drainage from mines in the Thick Freeport coal bed, Pennsylvania

The effect of the crimped-paper ends on cartridges of permissible explosives in propagating detonation

Economics of potash recovery from wyomingite and alunite

Sanitary surveys of coal-mining, metal-mining, and smelter towns of Utah

Analyses of crude oils from the Oklahoma City Field, Oklahoma

Smelting in the lead blast furnace :Handling rich charges.

Survey of fuel consumption at refineries in 1931


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