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RI 3439 Mount Weather Testing Adit Progress Report 1 ? Introduction
By McHenry Mosier
The Bureau of Mines, United States Department of the Interior, has established a testing adit on the Government reservation at Mount Weather, Virginia, to facility to research on the fundamental tats
Jan 1, 1939
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IC 8803 Helium Resources Of The United States, 1977
By B. J. Moore
This Bureau of Mines publication estimates that U.S. helium resources as of January 1977 were 710 billion cubic feet. These resources are broken down into four classifications, as follows: Helium in m
Jan 1, 1979
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RI 5193 Heat And Free-Energy Data For Tricalcium Dititanate, Sphene, Lithium Metatitanate, And Zinc-Titanium Spinel ? Introduction And Summary
By S. S. Todd
[The purpose of this investigation was to obtain, heat-of-formation values a four Common titanates and, to conjunction with other requisite data, to derive free-energy-of-formation values In tem pera
Jan 1, 1956
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OFR-38-75 Electromagnetic Noise In McElroy Mine
By M. Kanda
Two different techniques were used to make measurements of the absolute value of electromagnetic noise in and above an operating coal mine, McElroy Mine, located near Moundsville, West Virginia. The e
Jan 1, 1974
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OFR-59-80 Mine Materials Handling Vehicle (MMHV)
By A. L. Foote
This is the final report of work accomplished during 1973-75 under U. S. Bureau of Mines Contract No. H0242015, "System for Handling Underground Mine Supplies and Materials." The purpose of the contra
Jan 1, 1978
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RI 9458 - Behavior of Simulated Longwall Gob Material
By Reno M. Pappas, Christopher Mark
This report presents results of a U.S. Bureau of Mines study of longwall gob material. The objective of this work was to determine material stiffness properties of the gob for use in numerical models
Jan 1, 1993
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OFR-126-85 Improved Skips, Guide Alignment, Dynamics, And Economics
By F. A. Penning
Improved skips, with lightweight cylindrical bodies, have made a significant contribution to advancing mine hoisting technology. New concept skips of aluminum bodies with rubber lining; fiberglas bodi
Jan 1, 1985
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OFR-93-82 Development Of A Continuous Methane Monitor
By Irvin G. Burough
Andros Analyzers Incorporated has designed and built two prototype continuous methane monitors capable of being mounted on a mining machine'. These instruments were designed for in-mine safety us
Jan 1, 1981
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OFR-177(1)-83 Electrical-Shock Prevention - Volume I -Protection Of Maintenance Personnel
By L. A. Morely
The overall objective of the subject contract was to investigate the application, economic, and safety considerations of electrical-shock prevention techniques applied to surface and underground mines
Jan 1, 1982
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Improved Electromagnetic System For Locating And Talking To Trapped Miners -(This Technology News Replaces Issue No. 10.) - Objective
Improve the Bureau-developed system for locating and communicating with miners trapped underground following a mine disaster. Approach Include in the wireless system a portable second-generati
Jan 1, 1981
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IC 8558 Methane Emission From U.S. Coal Mines, A Survey
By M. C. Irani
This survey was conducted to determine the magnitude of the methane emission and control problem in U.S. bituminous coal mines. The resultant data indicate that the emission rate for any given coalbed
Jan 1, 1972
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RI 8274 Coal Mine Floor Heave in the Beckley Coalbed, An Analysis
By James R. Aggson
This Bureau of Mines report describes floor heave ground control problems that have been encountered in a new underground coal mine in West Virginia. Previous experience in the coal seam, the results
Jan 1, 1978
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RI 7036 Molten-Salt Electrorefining Vanadium Scrap
By K. P. V. Lei
The Bureau of Mines investigated molten-salt electrorefining as a practical method for reclaiming vanadium from vanadium scrap. An electrolytic process utilizing a KC1-LiC1-VC12 electrolyte at 615° C
Jan 1, 1967
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OFR-108-79 Dust Sampler Tamper-Proof Filter Cassette
By Charles H. Etheridge
A new filter cassette is described which can be used with Coal Mine Dust Personal Sampler Units (CFR, Title 30, Part 74). The sealed cassette design reduces the chances of sample loss due to reverse f
Jan 1, 1978
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OFR-25(2)-73 Respirable Dust Control Manual For Underground Coal Mines - 1.0 Introduction
By Jerome Apt
This manual has been prepared fur the help and guidance of underground coal mine operators. It details both common and unique engineering methods by which the respirable dust, which is generated in co
Jan 1, 1972
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OFR-32-84 Application Of Draft Power Sensor (DPS) Concepts To Pan Scrapers
By H. S. Benson
This report documents, from concept through field testing, the pan scraper Wheel Slip Monitor. The function of this device is to instantly warn the scraper operator of wheel slip and thus enable him t
Jan 1, 1983
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OFR-52-74 Fire Suppression Of Mining Equipment - Introduction
By R. H. Hiltz
One of the major hazards in underground coal mining is fire. The inherent hazard of fire is exaggerated by the nature of coal mining restricted areas, the highly combustible nature of coal itself, and
Jan 1, 1973
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RI 8524 Electrowinning Zinc From Zinc Chloride in Monopolar and Bipolar Fused-Salt Cells
By S. D. Hill
To help insure the continued viability of the minerals and materials sector of the U.S. economy, the Bureau of Mines is conducting research and disseminating technology that will result in more effici
Jan 1, 1981
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OFR-171-83 Noise Reduction Of Chain Conveyors - Volume II
By A. Galaitsis
This report summarizes part of the work performed under the USBM Contract No. H0155113, "Noise Abatement of Continuous Mining Machines." It reviews, briefly, the aboveground tests performed on a Jeffr
Jan 1, 1983
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IC 8076 Processes For Recovering Sulfur From Secondary Source Materials ? Introduction And Summary
By B. K. Shibler
During a research program to develop improved methods for recovering elemental sulfur and useful sulfur compounds from secondary source materials, the technical literature was searched for pertinent a
Jan 1, 1962