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OFR-121-78 Design Of A Retrofittable Temporary Face Support SystemBy Alfred Bellows
The objective was to develop and design a remotely operated temporary roof support system that provides a safe working environment between a freshly cut coal face and the last line of permanently supp
Jan 1, 1976
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Monitoring Foundation Response To Subsidence Using A Tiltmeter - Objective[Determine how subsidence resulting from underground coal mining affects surface structures, and evaluate the usefulness s of the tiltmeter for monitoring foundation movement. Approach The Burea
Jan 1, 1988
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IC 7439 Burning Refuse Dumps at Coal MinesBy J. H. East, D. Harrington
"INTRODUCTION Burning refuse dumps are a common and by no means pleasant sight in most coal-mining distracts; they have been and largely continue to be accepted as a necessary, if undesirable, adjunct
Mar 1, 1948
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RI 7936 Reducing Surface Hot Shortness of Copper-Containing Steels Using Silicon Additions and Controlled Reheating ConditionsBy Mark I. Copeland
This study was conducted by the Bureau of Mines to determine the effect of steel reheating practices in burning natural gas on the amount of silicon required to prevent the formation of copper on stee
Jan 1, 1974
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OFR-24-82 Fugitive Dust Study Of An Open Pit Coal MineBy Virgil Marple
In the summer of 1979 the University of Minnesota Mobile Laboratory (UMML), designed for the analysis of airborne particles and gases was used to study fugitive dust from an open pit coal mine. The an
Jan 1, 1980
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IC 8459 The Phosphate Industry In The Southeastern United States And Its Relationship To World Mineral Fertilizer DemandBy John W. Sweeney
The southeastern phosphate industry is investigated to determine its role in supplying the United States and world phosphate demand. The report shows that the southeastern (Florida, Tennessee, and Nor
Jan 1, 1970
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IC 7732 Health And Safety Activities Of The Bureau Of Mines, Fiscal Year 1955 ? IntroductionBy James Westfield
Bureau of Mines activities for safety and health in the mineral industries were reorganized during the fiscal year to provide direct supervision by the Assistant Director -Health and Safety. On Decemb
Jan 1, 1956
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IC 7957 Permissible Mine Equipment Approved During 1957-58 - With Appended Lists Of Manufacturers Of Flame-Resistant Trailing Cables And Fire-Resistant Conveyor Belts, And Holders Of ?Permits? - IntroductionBy E. J. Gleim
In keeping with past custom, it is the purpose of this publication to bring up to date previously published lists of equipment that meets safety standards of the bureau of Mines so that the mining ind
Jan 1, 1960
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RI 8481 Cladding of Metals to Iron by Vacuum RollingBy R. Blickensderfer
Maintaining an adequate supply of minerals and metals to meet national economic and strategic needs is the overall goal of the Bureau of Mines, U.S. Department of the Interior. One method of achieving
Jan 1, 1980
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OFR-15-80 Technical And Economic Evaluation Of Underground Disposal Of Coal Mining WastesBy M. F. Bucek
This report summarizes the activities performed and the results achieved during a two-phased investigation of the technical and economic feasibility of disposing of coal mine refuse underground in act
Jan 1, 1980
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RI 4103 Argentena Zinc-Lead Mine, Clark Co. Nev.By Robert W. Geehan
"INTRODUCTION A preliminary examination of the Argentena mine was made in 'January 1945 by an engineer of the Bureau, who recommended investigation by diamond drilling. The Bureau conducted a core-dri
Jul 1, 1947
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IC 7595 Safety Consciousness - An Evaluation ? IntroductionBy Stanley M. Walker
Safety consciousness is not a constant for which a specific value can be assigned, but is a variable, which is frequently intangible. Its evaluation is not simple. We all know that safety consciou
Jan 1, 1951
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IC 8539 Bureau Of Mines Safety Research Center Research And Development Activities: Fiscal Year 1970 ? IntroductionOn July 1, 1969, the Explosives Research Center merged with the Health and Safety Research and Testing Center to form the Safety Research Center, with facilities at Pittsburgh and Bruceton, Pa. Subseq
Jan 1, 1972
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RI 7949 Room Temperature Tensile Properties of Titanium and Seven Titanium Alloys Prepared by Skull CastingBy E. D. Calvert
The room temperature tensile properties of commercially pure titanium and seven titanium alloys prepared by skull casting were determined in the as-cast and heat-treated conditions. Data were compared
Jan 1, 1974
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IC 7295 Corundum ? Composition And PropertiesBy Robert W. Metcalf
Corundum, natural alumina, or aluminum oxide (A1203) is the hardest mineral known except diamond. Theoretical composition is Al 52.9 percent and 0 17.1 percent, but it always contains small quantities
Jan 1, 1944
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IC 8075 Microbiology Of Coal ? SummaryBy Martin H. Rogoff
This publication combines a critical review of the literature on the microbiology of coal with an introduction to those areas of microbiology related to studies of coal as a biological material. The a
Jan 1, 1962
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OFR-37-75 Electromagnetic Noise In Grace MineBy J. W. Adams
Two different techniques were wed to make measurements of the absolute value of electromagnetic noise in an operating hardrock mine, Grace Mine, located near Morgantown, Pennsylvania. Diesel-powered h
Jan 1, 1974
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OFR-83-77 Geophysical Measurement System For Delineation Of Channel SandsBy John C. Cook
Channel sand bodies ("wants" or "cutouts") are deposits of barren, hard sediments which interrupt production and pose safety hazards when encountered in underground coal mining. To locate these costly
Jan 1, 1976
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OFR-60-82 TDRM TestingBy Eugene W. Bartel
This report describes in detail the circuitry used in the Automated Time Domain Reflectometry System and the testing and modification done to the system to improve the units performance and consistenc
Jan 1, 1980
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Bulletin 14 Briqueting Tests Of Lignite At Pittsburg, Pa.By CHARLES L. WRIGHT
Coals may be divided into six classes-anthracite, semi anthracite, semibituminous, bituminous, subbituminous, and lignite. The first three cla~ can be distinguished by dHferences of composition, parti
Jan 1, 1911