TRAIL - Technical Report Archive and Image Library

Electrorefining Missouri low-antimony lead bullion

Cristobalite in fire clay calcines

Extraction of uranium from carbonaceous sandstone materials

Geology, mining, and methane content of the Freeport and Kittanning coalbeds in Indiana and surrounding counties, Pa.

Using zinc cathodes for zinc electrowinning

Centrifugal casting of refractoy concretes

Regeneration and recycling of waste chromic acid-sulfuric acid etchants

Enhancing germination of Indian ricegrass seed used in stabilizing mineral wastes

CO₂-absorption characteristics of mine rescue breathing apparatus

Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption

Thermodynamic properties of potassium metasilicate and disilicate

Evaluation of technology for the recovery of metallurgical-grade alumina from coal ash

Demonstrated reserve base of U.S. coals with potential for use in the manufacture of metallurgical coke

Taxation, mining, and the severance tax

Analyses of natural gases, 1978

Corrosion studies in brines of the Salton Sea geothermal field

PLASTIC CANOPY :a computer program for the structural analysis of protective canopies

Copper recovery from conglomerate-type native copper ore by ammonia leaching, solvent extraction, and electrowinning

Chemical vapor deposition of wear-resistant coatings

Evaluation of selected spinels and perovskites as candidate high-temperature molybdenum coatings

Extracting iron from an aluminum sulfate leach solution

Oxidative sulfuric acid leaching of lead smelter mattes

The physical chemistry of mineral-reagent interactions in sulfide flotation :proceedings of symposium held at College Park, Md., April 6-7, 1978

Platinum-substitute materials as electrocatalysts for oxygen reduction

Geology of the Lower Kittanning coalbed and related mining and methane emission problems in Cambria County, Pa.

Development of specialized sulfur concretes

Gas analysis procedures applicable to flue gas desulfurization by the citrate process

Citrate process demonstration plant design

Citrate-process pilot-plant operation at the Bunker Hill Company

Sideboard device for improved face ventilation in coal mines

Water spray vent tube cooler for hot stopes :a preliminary report

Dust protection afforded by enclosed cabs on surface and underground mine machinery

Copper availability - domestic :a minerals availability system appraisal

Enhancing percolation rates in heap leaching of gold-silver ores

A fail-safe control system for a mine methane pipeline

Titania from intermediates prepared by soda-smelting ilmenite

Recovering byproduct heavy minerals from sand and gravel, placer gold, and industrial mineral operations

Mineral industries of Canada, Australia, and Oceania

Mineral industries of the Middle East.

Long-term rock noise plotting techniques

Low-sulfur pressure vessels steels by the electroslag and electric-arc-furnace processes

Analyses of natural gases, 1979

The impact of U.S. railroad abandonment on domestic mineral industries

The U.S. copper mining industry :a perspective on financial health

Minerals, health, and safety in-house research, development, and demonstration in fiscal year 1980

Review of horizontal drilling technology for methane drainage from U.S. coalbeds

A statistical analysis of coal mine fire incidents in the United States from 1950 to 1977

Bureau of Mines health and safety research :a status report covering Nov. 1, 1978 - May 31, 1979

Materials recycling :an overview of the Sixth Mineral Waste Utilization Symposium

Analytical chemistry of the citrate process for flue gas desulfurization

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