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Minerals In The U.S. Economy: Ten-Year Supply-Demand Profiles For Mineral And Fuel Commodities
The accompanying supply/demand flow diagrams and 10-year tables for mineral and fuel commodities present essential data required by government, industry, and others to formulate policies and programs
Jan 1, 1975
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RI 8762 Calamity Hollow Mine Fire Project - (In Five Parts) - 1. Development and Construction of the Burnout Control Ventilation System
By Meherwan C. Irani
The Bureau of Mines is developing a new technological approach to handling the problems of fires in abandoned coal mines and waste banks. This new technology involves the accelerated combustion of "wa
Jan 1, 1983
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OFR-127-83 Evaluation And Acceptance Criteria For Innovations In Explosionproof Electrical Enclosures
By R. J. Gunderman
A conventional trailing cable connection box on a continuous mining machine was modified by the addition of two innovative devices. These are a pressure vent to preclude buildup of high pressure due t
Jan 1, 1982
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Mineral Resources Of The Red Mountain Roadless Area, Boise, Custer, And Valley Counties, Idaho
By Terry J. Close
At the request of the Idaho Congressional Delegation, the U.S. Bureau of Mines Western Field Operations Center investigated the mineral resources of the 140,000-acre Red Mountain roadless area, locate
Jan 1, 1993
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IC 8539 Bureau Of Mines Safety Research Center Research And Development Activities: Fiscal Year 1970 ? Introduction
On 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 6053 Effects Of Stress Relief And Other Changes In Stress On The Physical Properties Of Rock ? Introduction
By Leonard Obert
This report presents evidence indicating that when rock is stress-relieved during the course of mining or in drilling a core, it may be altered or damaged to the extent that the physical properties of
Jan 1, 1962
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RI 7699 Experimental Investigations Of An Open-Cycle, Vortex MHD Generator
By George J. Conroy
Electrical power generation was studied in a laboratory-scale, open-cycle vortex MHD generator, which offers several advantages over straight-channel generators that require separate combustors. Compa
Jan 1, 1972
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IC 7291 Suggested Hoisting-Signal Code For Slope Coal Mines And For Shaft Mines Having Only One Level ? Introduction
By D. Harrington
The code of hoisting signals for use in mines hoisting from one level, as suggested in this publication, is submitted to induce consideration of this subject by representative groups of the coal-minin
Jan 1, 1944
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OFR-83C-92 Hoisting System Components - Selection And Guidelines - Volume 3
The objective of this study was two-fold: 1. To perform a world literature search pertinent to the analysis, selection and design of hoisting systems and their components and to codify the search
Jan 1, 1988
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RI 3651 Manganese Investigation - Metallurgical Division 15 Hydrometallurgical Studies of Manganese Ores - Electrodeposition of Manganese
By David Schlain
"IntroductionThe purpose of this investigation was to study the characteristics of the high-acid electrolytic manganese cell with the idea of fitting it into one of the flow sheets being worked out by
Jul 1, 1942
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OFR-86-86 Development Of The Capacity To Assess Occupational Noise Overexposure In The Mining Industry
By A. G. Galaitsis
This report summarizes the work performed under the USBM Contract No. J0245001. The purpose of this work was to expand and improve the scope and accuracy of the method developed under USBM Contract No
Jan 1, 1986
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OFR-49(1)-79 Construction, Inspection And Maintenance Of Mine Haulage Track, Volume I
By Edward G. Cunney
[Track in underground bituminous coal mines was investigated and technology has taken from other industries in order to Main information on conditions that impair the safety and efficiency of the trac
Jan 1, 1977
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RI 3498 Hydrogenation & Petrography of Some Low Coals from the Western United States
By C. H. Fisher, M. L. Fein, A. Eisner, G. C. Sprunk, Loyal Clarke, H. H. Storch
"The large reserves of low-rank coals in the western United States are at a disadvantage in competing with the more mature but less plentiful eastern coals, which are nearer important markets and are
Mar 1, 1940
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OFR-108-82 Feasibility And Applicability Of Hydraulic Mining And Transport In Underground Noncoal Mines
By William C. Cooley
This study Identifies and evaluates deposits of noncoal minerals in the U.S. which are most amenable to be mined underground hydraulically and transported hydraulically. A method was developed to scre
Jan 1, 1981
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IC 8361 Firefighting Facilities At Coal Mines (Revision Of RI 5363)
By R. Ward Stahl
This publication is a revision of Report of Investigations 5363 updated to reflect the improvement in fire protection at selected coal mines and contains suggestions on what may be considered good fir
Jan 1, 1968
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IC 9308 Applicability Of Electrical Methods In Deep Detection And Monitoring Of Conductive Lixiviants
By Jay C. Hanson
Various electrical and electromagnetic (EM) geophysical techniques are currently being evaluated by the U.S. Bureau of Mines for their effectiveness in the detection and monitoring of electrically con
Jan 1, 1992
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IC 8902 A Review Of Methods For Identifying Scrap Metals
As part of the Bureau of Mines program for conserving domestic mineral resources, a survey was made of the methods used for identifying scrap metals. Because of the large number of alloys currently be
Jan 1, 1982
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RI 7386 Bench-Scale Carbonization Of Lignite From The Northern Great Plains Province: A Statistical Approach
By Daniel C. Boteler
Five lignites from the northern Great Plains province were carbonized at temperatures from 500° to 1,000° C in a bench-scale unit. A replicated Greco-Latin square experimental design was employed to a
Jan 1, 1970
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Impact Of Fan Type For Reducing Respirable Dust At An Underground Limestone Crushing Facility
By R. H. Grau
Researchers from the National Institute for Occupational Safety and Health have demonstrated that mine-wide ventilation in large-opening stone mines can be improved by using low-pressure, high-volume
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Ergonomic Risk Factors – A Study Of Heavy Earthmoving Machinery Operators
By N. Kumar Kittusamy
ALTHOUGH MANYSTUDIES HAVE SHOWN an association between operating heavy construction equipment and symptoms of musculoskeletal disorders (MSDs), little research has been performed that systematically c