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RI 3219 The National Safety Competition of 1932
By W. W. Adams
"The eighth National Safety Competition, that for 1932, conducted by the United States Bureau of Mines, was participated in by 322 mines and quarries operating in 34 States. Tables 2 to 6 show the rel
Jul 1, 1933
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Analyses Of Ohio Coals - Introduction
By A. C. Fieldner
ONE of the important functions of the Bureau of Mines is the, analysis of coal from every coal-mining State and Alaska. These analyses are being published for use of Government officials and the publi
Jan 1, 1952
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MLA 14-93 - Identified Mineral Resources Of The Needles 1°X 2° Map Quadrangle, California
By Terry R. Neumann
This document, prepared for the U.S. Bureau of Mines Regional Mineral Assessment Program, presents data pertinent to the mineral resource assessment of the Needles 1° x 2° map quadrangle (excluding th
Jan 1, 1993
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RI 7800 Degasification Of Virgin Pittsburgh Coalbed Through A Large Borehole (6080190f-0d98-45f0-83dd-b714a20ad923)
By H. H. Fields
The Bureau of Mines is in the process of degasifying a virgin area in northern West Virginia from the base of an 839-foot-deep vertical borehole¬. An in situ gas pressure hole 199 feet long, and seven
Jan 1, 1973
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OFR-59-88 The Potential Impact Of Acid Rain Legislation On The Domestic Aluminum Smelting Industry: Methodology And Documentation ? 1. Introduction - 1.1 Purpose
By Donald R. Alvic
For electric utilities serving the aluminum smelter industry in the United States, sulfur oxide (SOx) abatement legislation could bring about increases in the costs of generating electricity. This pap
Jan 1, 1988
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RI 3568 Asphalts From Some Wyoming And Other Asphalt-Bearing Crude Oils ? Introduction (50643c65-85c3-4e18-90cc-d41076ab62d0)
By K. E. Stanfield
[Asphalt ~~d road oil ar8 the principal products manufactured from Wyor.1in~ Ilblack oilo" \r,hich, beca.use of th?lir hig.~ E\.sphal t and hig} sulfur COi.1Jce~1t, .!?re difficult e':ld costly t
Jan 1, 1941
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OFR-58-80 Oil Shale Mining Environmental Research Program Overview
By C. Ogasawara
This document describes the direction and progress of the Bureau of Mines Oil Shale Mining Environmental Research Program as of January 31, 1979. It is aimed at focusing the Bureau's role in envi
Jan 1, 1979
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RI 9646 - Concluding Evaluation Of A Continuous Haulage Guidance Sensor
By John J. Sammarco
The mining industry has the highest average annual fatality rate among major U.S. industries. To address this, the National Institute for Occupational Safety and Health, Pittsburgh Research Laborator
Jan 11, 1998
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RI 8690 Recovery of Zinc and Sulfur From Sphalerite Concentrates by Reaction With Sulfuric Acid
By H. H. Dewing
The Bureau of Mines constructed a process research unit (PRU) to demonstrate new technology for extracting zinc from sphalerite concentrates. Up to 9 kg/hr of sphalerite (ZnS) concentrate was reacted
Jan 1, 1982
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IC 9131 Foreign Direct Investment In The U.S. Minerals Industry
By Louis J. Sousa
This Bureau of Mines report examines aggregate trends in foreign direct investment in the U.S. mining and mineral processing industries between 1977 and 1984, and provides an analysis of foreign inves
Jan 1, 1987
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IC 7739 International Cooperation In Reducing Mine Hazards ? Summary
By E. J. Gleim
This report describes a trip to Europe in the interest of safety in coal mines. It reviews the Eighth International Conference of Directors of Safety in Mines Re-search, which met in Dortmund-Derne, G
Jan 1, 1956
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RI 7708 Glass Wool From Waste Glass - With An Appendix On Economic Evaluation Of Glass Wool Production By Paul W. Johnson
By Alan H. Goode
Glass wool meeting requirements for commercial use was made from glassy fractions of urban solid wastes by the Bureau of Mines. This research was a part of the Bureau's program to develop buildin
Jan 1, 1972
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MLA 28-84 - Mineral Investigation Of The Bristol/Granite Mountains Wilderness Study Area (BLM No. CDCA-256), San Bernardino County, California
By Charles Sabine
The U.S. Bureau of Mines studied mines and prospects in the Bristol/Granite Mountains Wilderness Study Area (WSA) in 1982. The 45,000 acre WSA, located in the eastern Mojave Desert of California, is u
Jan 1, 1984
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Coal Dust Explosions and Their Suppression
By Wadaw Cybulski
The problem of coal dust explosions: Basic information about the explicability of coal dust: Main parameters of the explosibility of coal dust; Main parameters of the explosibility of coal dust; Limit
Jan 1, 1975
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RI 3500 Progress Reports - Metallurgical Division ? 38. Electrometallurgical Investigations ? Introduction
By J. Koster
[Boron is an element whose metallurgical possibilities never have been investigated thoroughly, probably because of the difficulties experienced in the preparation of elemental boron and its intermeta
Jan 1, 1940
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Adaptive-Noise-Cancellation Techniques For Through-The-Earth Electromagnetic, Volume III
By Frederick H. Raab
An electromagnetic (EM) system for the location of trapped mine workers at coal-mine (300 m) depths has been developed. The use of such a system in deep mines (1-km depth) requires transmission at ext
Jan 2, 1984
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Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob Areas
By L. Yuan, A. C. Smith
To provide insights for the optimization of ventilation systems for U.S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics (CFD) stud
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RI 8772 Factors Affecting the Preparation of Misted Clay Feed and Solids-Liquid Separation After HCI Leaching
By R. S. Olsen
Although aluminum is easily leached from calcined clay with boiling mineral acids, the presence of fines and slimes in the leached residue has hindered the application of acid leaching processes. A fe
Jan 1, 1983
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RI 8547 A Mixed Kinetics Dump Leaching Model for Ores Containing a Variety of Copper Sulfide Minerals
By B. W. Madsen
To help maintain an adequate supply of minerals to meet national economic and strategic needs, the Bureau of Mines developed a mathematical model that describes acidic ferric sulfate leaching of coppe
Jan 1, 1981
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RI 8507 Structure Response and Damage Produced by Ground Vibration From Surface Mine Blasting
The Bureau of Mines studied blast-produced ground vibration from surface mining to assess its damage and annoyance potential, and to determine safe levels and appropriate measurement techniques. Direc
Jan 1, 1980