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IC 7869 Causes Of Roof-Fall Fatalities In Anthracite And Bituminous-Coal Mines, 1955 And 1956 ? Summary
By R. D. Joseph
This report deals exclusively with roof-fall accidents that occurred during 1955 and 1956 in both anthracite and bituminous-coal mines throughout the United States. The report stems from a cooperative
Jan 1, 1958
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OFR-58-84 Development And Analysis Of Slurry Transport Systems In Longwall Mining Of Coal
By Tuncel M. Yegulalp
This final report contains the results of all work performed under BOM Grant J0333905. A preliminary systems analysis of coarse-particle coal slurry pipelines as a haulage method for longwall mining s
Jan 1, 1982
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IC 8807 Helium In Ground Water And Soil Gas In The Vicinity Of Bush Dome Reservoir, Cliffside Field, Potter County, Tex.
By Philip W. Holland
This Bureau of Mines report discusses the results of three independent reconnaissance geochemical surveys conducted in the vicinity of the Bush Dome reservoir in the Bureau-owned Cliffside field near
Jan 1, 1979
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OFR-71-73 The State-Of-The-Art In Continuous Mining Machine Bit Technology ? I. Introduction
By Kenneth L. Whitehead
After many years of research, the occurrence of pneumoconiosis, black lung disease, among miners has been related to the mass of respirable coal dust to which mining personnel have been exposed. Congr
Jan 1, 1973
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MLA 89-82 - Mineral Investigation Of The Glacier Peak Wilderness And Adjacent Areas Chelan, Skagit, And Snohomish Counties, Washington ? Summary
By R. B. Stotelmeyer
Mineral resources, or a potential for their discovery, occur at 34 localities in the Glacier Peak Wilderness and adjacent areas of the north Cascade Range of Washington (see plate). Eighteen of the mi
Jan 1, 1982
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IC 8298 Reconnaissance Of Beryllium-Bearing Pegmatite Deposits In Six Western States - Arizona, Colorado, New Mexico, South Dakota, Utah, And Wyoming
By Henry C. Meeves
The Bureau of Mines, between 1956 and 1963, examined 18 major pegmatite districts in Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming to evaluate their content of beryllium, a material i
Jan 1, 1966
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IC 8369 Limestone Resources In Western West Virginia
By David J. Kusler
This study is an appraisal of the feasibility of recovery and the possible chemical and physical uses of the limestone from the Greenbrier Formation in western West Virginia. Data on minability, occur
Jan 1, 1968
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OFR-1-72 Methane Control Program Study
This report summarizes a study conducted by The Service Bureau Corporation for the Bureau of Mines. Evaluations reflected herein are the result of an independent investigation by The Service Bureau Co
Jan 1, 1970
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RI 8508 Airblast Instrumentation and Measurement Techniques for Surface Mine Blasting
By Virgil J. Stachura
The Bureau of Mines has investigated techniques and instrumentation that measure accurately the airblast overpressures from surface mine blasting. The results include equivalencies between broadband r
Jan 1, 1981
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OFR-6-85 Research To Improve Health And Safety Programs In The Mining Industry - Volume II
By Louis Schaffer
The objectives of the research were to determine whether a model health and safety program could be defined in terms which would enable its application to mines of all types, and, if such a model prog
Jan 1, 1983
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RI 7682 Reducing Surface Hot Shortness Of Copper-Bearing Steels
By Mark I. Copeland
A study was conducted to determine if commonly used alloying additions or coating materials can prevent the formation of a liquid-copper phase during the reheating of copper-containing steels. If so,
Jan 1, 1972
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RI 7855 NX Borehole Jack Modulus Determinations in Homogeneous, Isotropic, Elastic Materials
By Thomas O. Meyer
Laboratory test results are presented for the determination of elastic modulus made with the NX borehole jack. Determinations were made in massive pieces of aluminum so as to satisfy conditions of lin
Jan 1, 1974
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OFR-203-84 Research To Improve Health And Safety Programs In The Mining Industry - Volume I
By Louis Schaffer
The objectives of the research were to determine whether a model health and safety program could be defined in terms which would enable its application to mines of all types, and, if such a model prog
Jan 1, 1983
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IC 6245 Effect of Abnormal Air Conditions on Mine Workers
By R. R. Sayers
"The number of investigations reported during the past year indicates that control of the health hazard due to abnormal air conditions is still a matter of serious consideration in the mining, metallu
Feb 1, 1930
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OFR-52-73 Measurement Of Temperature Profiles Around Coal Mine Openings - Summary
By Fun-Den Wang
This report presents theoretical studies and experimental work dealing with the detection of dangerous roof and pillar conditions in underground mines through measure¬ment of temperature differences o
Jan 1, 1972
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RI 6054 Performance Of Tables In Cleaning Alaska Coals ? Introduction And Summary
By M. R. Geer
Information on the performance of coal-cleaning equipment is necessary to provide a basis for evaluating the performance of existing plants and projecting that of new plants. Performance data can cont
Jan 1, 1962
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OFR-180-84 Remote Manual Control Roof Bolter
By Peter de Bakker
The objective of this contract was to develop a simple, reliable, economical, remote-control roof bolting module for installation of mechanical and resin bolts. It was to be capable of placing longer
Jan 1, 1983
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OFR-56-84 Personal Dust Exposure Monitor Based On The Tapered Element Oscillating Microbalance
By Harvey Patashnick
Current state-of-the-art microweighing technology represented by the Tapered Element Oscillating Microbalance (TEOM) is utilized as the basis for a new generation of Personal Dust Exposure Monitors (P
Jan 1, 1983
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RI 6060 Thermal Decomposition Of Five Salts Of Praseodymium, Neodymium, And Samarium
By Roy L. Wilfong
The thermal decomposition of the ammonium sulfate, carbonate, nitrate, oxalate, and sulfate salts of praseodymium, neodymium, and samarium was investigated thermogravimetrically in the temperature ran
Jan 1, 1962
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RI 7473 Processing Manganiferous Sea Nodules
By P. T. Brooks
Mineral nodules from the ocean floor represent a vast potential source of manganese, nickel, cobalt, and copper. Process development studies to devise methods for recovering these metals were conducte
Jan 1, 1971