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Flood Prevention In Anthracite Mines, Western Middle And Southern Fields - Anthracite Region Of Pennsylvania - Project No. 2 - Summary
By S. H. Ash
THIS REPORT covers the second in a series of five projects into which the Conowingo tunnel system has been divided for geographical and practical reasons. It outlines the construction work contemplate
Jan 1, 1955
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OFR-114-82 A Directory Of Computer Programs Applicable To U.S. Mining Practices And Problems (1970-1981)
By Richard L. Sanford
This report summarizes the results of an update on a previous Bureau of Mines grant (G0264026), and includes 5 additional years of computer pro-gram development. The directory includes a sampling of c
Jan 1, 1982
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The Use Of Rim- To Detect Geologic Anomalies In The Clarion Seam
By M. Craig Miller
As the trend continues in the U. S. toward inceased capital investment in longwall mining equipment and wider panels. the risk also increases for gotential financial and production loses due to undete
Jan 1, 1990
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Mining Geology ? Use of Geology in Search for Ore Increasing Over a Wide Front
By GEO M. FOWLER
AN appraisal of the activities of the mining geologists during 1936 clearly indicates the ever in- creasing utilization of geology in the search for ore. Few men with geo- logic training are idle at p
Jan 1, 1937
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OFR-11(2)-82 Recontouring Of Steep-Slope Abandoned Contour Mines - Volume II - Appendices
By Daniel I. Carey
Current and potential dragline reclamation usage was evaluated for the U.S. coalfields based on data gathered and analyzed during field surveys, literature reviews and contacts with manufacturers. It
Jan 1, 1981
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Case History Of The Support Of Excavation System At The Dulles Automated People Mover (DAPM) Tunnels And Stations
By Marlion T. McQuinn
This paper will discuss the design, construction, and performance of the support of excavation on the Dulles East and West Automated People Mover Tunnels and Station projects. The elements of the sys
Jan 1, 2006
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Geology - An Eltran Electrode Configuration as Applied to Electrical Resistivity Exploration
By F. A. Seward
A1though the expanding Eltran1 configuration has been used in induced polarization exploration for several years, there has been little application of this method to straight resistivity problems. A c
Jan 1, 1963
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Material Instability Hazards In Mine Processing Operations
By John W. Fredland
Many accidents occur in the mining industry as a result of the instability of material during handling and processing operations. Accidents due to dump point instability at stockpiles, and at spoil or
Jan 1, 1993
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Spectrochemical Analysis of Refined Rhodium
By W. L. Ott, J. E. Hawley, C. L. Lewis
"IntroductionTHE APPLICATION of spectrochemical analysis to metals of the platinum group was advocated by Harvey (3) as follows: ""The spectra of the platinum group metals have been studied less than
Jan 1, 1955
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Numerical Modeling of Mining-Induced Stress and Microseismic Response using FLAC3D
By Shahé Shnorhokian
A study was conducted on the seismic activities and associated rockburst events that took place at an underground Canadian metal mine over a period of five years. In the first stage, a back analysis o
May 1, 2011
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The Petrology and Mineralogy of the Whipstick Molybdenite-Bismuthinite Mines, Pambula District, N.S.W.
The Bega granite at Whipstick, N.S.W., consists of a granite metasomatically altered to leucogranites and a spessartite-granite. The ore occurs in pipes controlled by jointing and shows evidence of po
Jan 1, 1968
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RI 3553 Progress Reports - Metallurgical Division - 43. Cationic Reagents In The Flotation Of Silica From Gypsum Ores ? Introduction (4830a8e5-c8b2-4d44-992c-f9598b6c3961)
By J. Bruce Clemmer
[Gypsum is one of the mo .. t iJf.l)ortant nonmp.tal1.ic T!1inerals, as is indicat-? ed by the fact that tlle Uni ted states cO!1sUl:Ied p, roximn..tely 3,500,000 tons of natura.l and calcinecl e::,j;
Jan 1, 1941
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OFR-27-83 Further Studies On Optimum Combined Fire Retardand/Preservative Treatments And Stench Warning Systems For Wood Mine Timber
By Mark Davis
As a follow-on to previous investigations, reduced treatment levels for the optimum fire retardant/preservative system were evaluated. An impregnation of 3.5 lbs/ft3 of Fyreprufe followed by 3.5 mils
Jan 1, 1982
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Pile Design, Testing, And Installation For A Gated Dam ? Synopsis
By B. H. Moore
The opportunity to evaluate the pile design procedures used on a major project is an infrequent occurrence. It is even more infrequent that the project involves piles with significant tension and hori
Jan 1, 2010
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OFR-16-77 Proceedings - The Third WVU Conference on Coal Mine Electrotechnology - August 4-6, 1976
A compilation of papers presented at the Third WVU Conference on Coal Mine Electrotechnology in Morgantown, West Virginia, on August 4-6, 1976. Papers cover areas of electric power, electronic communi
Jan 1, 1976
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OFR-111(1)-77 Automatic Fire Protection System For Mobile Underground Metal Mining Equipment - Final Report I Volume I
By Gene R. Reid
The contract objective is the development and in mine testing of an Automatic Fire Control System (AFCS) for mobile underground metal mining equipment. The effort described by this report covers the p
Jan 1, 1976
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OFR-41(1)-74 Trapped Miner Location And Communication System Development Program - Volume I - Development And Testing Of An Electromagnetic Location Systems ? Part I - Development And Testing Of A CW Electromagnetic Location System ? 1.0 Introduction
By A. J. Farstad
The principle objective of the research effort described herein was to identify as rapidly as possible a practical trapped miner location system. Much effort has been expended in the past on the devel
Jan 1, 1973
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Economic Effects of Gas Export on Alberta
By Hu Harries
WE RECENTLY completed a study for a client, who is an applicant to export gas from the Province of Alberta, on the effects of gas export on Alberta's economy. This study was part of the client&ap
Jan 1, 1958
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Development of the Athabaska Oil Sands
By Max W. Ball
THE world's largest known oil deposit lies in northern Alberta. In fact, according to government estimates, the famous so-called 'tar sands' of the Athabaska region contain several time
Jan 1, 1941
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Materials And The National And International Economies - General Performance
Despite modest improvements in the performance of domestic interest rates and gross national product,1 fixed investment in domestic producers' durable equipment continued to weaken during the sec
Jan 1, 1982