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Western Canada's Future as a World Sulphur SupplierBy R. Q. Phillips
INTRODUCTION Since Canada commenced sulphur exports in the early 1960's, the volume of exports has grown steadily and by 1984 Canadian sulphur accounted for 45% of internationally traded sulp
Jan 1, 1986
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Endless-Rope Haulage in Coal MinesBy J. D. Stewart
One of the first important questions that should be settled on the opening of a mine or the development of a new deep is the system of haulage to be used, since the layout of the haulage-ways at the p
Jan 1, 1928
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Risk Management for Soft Ground Tunnels in New YorkBy Andy Thompson, Frank Perrone
"As part of the Metropolitan Transportation Authority’s $10.5bn East Side Access Project in New York, 3,200 m of tunnel had to be constructed in rock, mix face and soft ground conditions beneath one o
Jan 1, 2016
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RI 8006 Lime Roast-Leach Method for Treating Chalcopyrite ConcentrateBy F. P. Haver
Because State and Federal agencies have limited the amount of sulfur oxides that can be discharged to the atmosphere, most copper smelters plan to convert the S02 in offgases to sulfuric acid. In some
Jan 1, 1975
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Issues And Techniques In The First Western Coal Availability Study-Hilight Quadrangle, Powder River Basin, WyomingBy C. L. Molina
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Land Management (BLM), Geological Survey of Wyoming, and U.S. Bureau of Mines (USBM), will produce an estimate of the amount of ava
Jan 1, 1995
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Mine Site Stream Diversions - A Balance of Competing ObjectivesBy A Markham
Stream diversions are a common feature of mine sites worldwide. From an operational perspective, a fundamental requirement of a stream diversion is that it should convey water flows between two points
Jul 10, 2012
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Production - Domestic - Petroleum Production in Middle Western States, 1930 - Michigan, Indiana and IllinoisBy R. B. Newcombe
Despite abnormal economic conditions and the unhealthy state of the petroleum industry, 1930 closed without any marked decline in total production of oil in the Middle Western States. The most accurat
Jan 1, 1931
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OFR-103(1)-77 U.S.B.M. Pilot Hole "X", Horse Draw, Rio Blanco County, Colorado - Volume I - Section I: Geology & GeophysicsBy L. A. Readdy
Pilot Hole "X" was drilled to test the formations through which the ventilation shaft for the proposed U.S.B.M. demonstration oil shale mine would be drilled. The geologic formations encountered in th
Jan 1, 1977
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High Capacity Tensioned Cable Bolts For Tailgate SupportBy Stephen C. Tadolini
A joint research program was designed and conducted at Lodestar Energy?s Baker Mine to investigate the performance of a high-capacity tensioned cable supported gateroad. The secondary system consisted
Jan 1, 2000
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Proceedings of the Sixty-Third Regular Meeting of the Rocky Mountain Coal Mining Institute Stanley Hotel, Estes Park, Colorado June 25-28, 1967 - Morning Session June 26, 1967 - MondayThe 63rd Regular Meeting of the Rocky Mountain Coal Mining Institute convened at the Stanley Hotel, Estes Park, Colorado, and was in session at 10:00 a.m. The first session was called to order by Pa
Jan 1, 1967
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Improved Understanding Of Explosive - Rock Interactions Using The Hybrid Stress Blasting ModelSince 2001, the Hybrid Stress Blast Model (HSBM) project members have developed a software suite to model the complete blasting process from non-ideal detonation to muck pile formation. To preserve th
Jan 1, 2012
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Pneumatic Coal Recovery Systems (62007161-e993-4f84-96bb-537ec84611fb)By R. M. Cox
Pneumatic coal loading and conveying systems provide alternative methods for the safe and efficient mining of the thin high-grade coal seams found in the Southern Appalachians. Pneumatic systems elimi
Jan 1, 1999
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Amphoteric Surfactants as Flotation CollectorsBy R. W. Smith, C. Schroeder, R. Haddenham
Amphoteric surfactants are heteropolar organic compounds which possess at least two functional (ionic) oppositely charged groups per molecule. The ones studied are manufactured by General Mills and po
Jan 1, 1974
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Geology - Tungsten in Searles LakeBy L. G. Carpenter, D. E. Garrett
Probably the largest single tungsten deposit in the U. S. is one that has yet to produce any tungsten; it is not even listed in tables showing U. S. reserves. This deposit is at Searles Lake, Calif.,
Jan 1, 1960
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High Temperature PDX of Precious/Base Metal Concentrates from Newmont's Phoenix Project, Using Controlled Precipitation of Sulphate Species to Enhance Silver RecoveryBy J. C. Gathje
Newmont acquired the Phoenix Project through the acquisition of Battle Mountain Gold in 2000. Shortly after the acquisition, Newmont Metallurgical Services (NMS) and Nevada Operations began developmen
Jan 1, 2004
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A Complex Technology of Pyrite Cinder ProcessingBy O. D. Khmelnitskaya
The research on selecting of an efficient technology of pyrite cinders complex treatment, sulfuric acid production wastes, have been made. The grades in the initial product were 2.04 g Au/t, 35.0 g Ag
Jan 1, 2014
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An Investigation into the Extraction Behavior of Copper from Sulfate Leach Liquor Using Acorga M5640 Extractant: Mechanism, Equilibrium, and Thermodynamics "Mining, Metallurgy & Exploration (2020)"By Isa Nozari, Asghar Azizi
The extraction of copper from sulfate leaching liquor was investigated using Acorga M5640 commercial extractant in kerosene diluent. The effects of important factors such as the extractant concentrati
Jul 31, 2020
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Factors Affecting ANFO Fumes Production (01759237-2968-408e-aafe-c2599f357f72)By Richard Mainiero, James H. Rowland
For many years there have been small scale tests available for evaluating the toxic fumes production by cap-sensitive explosives (DOT Class 1.1), but these could not be used with blasting agents due t
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Institute Committees (3d8b4f3e-5449-4ade-b964-7133f04b60e2)IRON AND STEEL COMMITTEE ALBERT SAUVEUR, Chairman A. A. STEVENSON, Vice-Chairman HERBERT M. BOYLSTON, Secretary, Abbot Bldg., Cambridge, Mass. Guilliaem Aertsen, Henry M. Howe, E. Gybbon Spilsbury
Jan 6, 1914
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Managing the Mining Industry: World-Class Management for World-Class PerformanceThank you and good morning. I am delighted to be here and to see so many of my colleagues and competitors. The general topic of this week's conference - World's Best Practice in Mining and
Jan 1, 1995