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Tribute To J. Robert WoolseyBy Michael Cruickshank
Bob Woolsey was born in 1936 in the state of Georgia and grew up to be a man of great integrity, vitality, wisdom and charm, totally neutral on matters of race, gender, and religion. A true Southern G
Jan 1, 2008
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Comparison of Environmental Discharges from Historic Coal and Gold Mines, Reefton, New ZealandBy D Craw
At Reefton, mesothermal gold deposits occur in the Ordovician Greenland Group basement and bituminous coal deposits occur in overlying Eocene Brunner Coal Measures. These different resource types occu
Jan 1, 2003
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RI 3233 The Occurrence of Gases In Coals (309cd25a-d5a0-492f-b9e8-8c724ed5558b)By George S. Rice
"The emission of hydrocarbon gases from coal beds and contiguous strata causes many accidents in coal—mine workings, the number of fatalities so caused being second only to those due to falls of roof.
Jun 1, 1934
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Problem of Inclined Layers in Seismic Reflection MethodsBy Zdzislaw Specht
THIS paper discusses elementary laws pertaining to seismic reflection methods and presents a general and simple criterion for determining the direction of dipping of a reflection horizon from observat
Jan 1, 1940
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The Treatment Of Acid Effluent From The Grootvlei Mine Using Novel IX TechniquesBy R. E. Robinson
A novel variation of the GYPCIX process for the treatment of the acid mine effluent water from Grootvlei is described, in which a number of valuable by products can be obtained and the product water c
Jan 1, 1998
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IC 7999 Research And Technologic Work On Explosives, Explosions, And Flames, Fiscal Years 1957 And 1958 ? Introduction And SummaryBy Ruth F. Brinkley
This report is the 18th of a series of reports originally issued annually, and more recently bienially, to acquaint the public with the work of the Federal Bureau of Mines in explosives technology. Pa
Jan 1, 1961
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OFR-135-77 Multilift Longwall Mining Methods For Thick Coal Design And FeasibilityBy John Wilson
This report describes the performance of Phase I of a project to design, analyze, and demonstrate a multilift longwall mining method applicable to mining coal seams twelve (12) feet or more in thickne
Jan 1, 1976
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Presidential Address, 1977 Land Usage-PrioritiesIt is a great honour to address our Institute as President, but the choice of a suitable subject was not an easy one. In the past when the presidential address was given at an annual conference the su
Jan 1, 1977
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Rapid RaisingBy Jim Peterson
Raising equipment that is commonly used include handheld drills such as Jacklegs or Stopers, Alimak raise climber also using handheld drills, drop raises using long-hole drills whether top hammer or I
Jan 1, 2014
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RI 7463 Roll Forming Strip From Oxide PowdersBy Henry M. Harris
The roll forming of oxide powders was studied in a Bureau of Mines investigation to find the conditions and parameters required to make satisfactory ceramic strip. High-quality porous or dense alumina
Jan 1, 1970
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RI 4932 Nonmetallic Deposits Accessible To the Alaska Railroad as Possible Sources of Raw Materials for the Construction IndustryBy F. A. Rutledge, J. J. Mulligan, W. H. Kems, R. L. Thome
"As a part of the United States Department of the Interior program for the development and use of Alaska raw materials, the Bureau of Mines is conducting an investigation of deposits f nonmetallic min
Mar 1, 1953
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The Henty Mining ExperienceGoldfields (Tasmania) Limited operates a small, high-grade underground gold mine on the West Coast of Tasmania, 30 kilometres north of Queenstown. The main orebody, Zone 96, was discovered in 1989, wi
Jan 1, 1998
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Host-rock geochemistry and massive volcanogenic sulphide oresBy J. S. Fox
Major-element data for unaltered, unmineralized felsic host rocks from a number of stratigraphically simple, massive volcanogenic Zn-Cu(-Pb) sulphide deposits of low metamorphic grade have been compil
Jan 1, 1979
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Rare Earth Elements and selected major elements distribution in the siliceous-clayey silts from the NE Pacific abyssal Basin (Clarion-Clipperton Fracture Zone)By Lukasz Maciag, Ryszard Andrzej Kotlinski, Ryszard Krzysztof Borówka, Dominik Zawadzki
Concentration and composition of rare earth elements (REE) and major elements in the sediment samples from the IOM H11 Fe-Mn nodule deposit, eastern part of the Clarion-Clipperton nodule field (locate
Sep 1, 2014
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RI 6269 Use Of Calcined Anthracite In Foundry CupolasBy A. F. Baker
Tests were conducted in commercial foundries to determine the suitability of calcined anthracite as a cupola fuel. The calcined anthracite performed satisfactorily at two of the three foundries where
Jan 1, 1963
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Design, Excavation, Support Of A Large Diameter Coal Mine Access Decline Using A Tunnel Boring MachineBy Steve Polegato, J. Coady Marsh, Gary Landry
The Donkin-Morien Mine in Cape Breton, Nova Scotia, has successfully completed the excavation of a 7.6m (25-ft) diameter access decline over a distance of 3.5km out under the Atlantic Ocean. The tunne
Jan 1, 1985
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Increasing Availability through Advanced Gearless Drive TechnologyBy C. Dirscherl, M. Combes
"Declining ore grade, leading to increased material transport and plant throughput requirements, is one of the major challenges in the current mining environment. This is accompanied by rising energy
Jan 1, 2014
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Tubular Steel Headframe for Winze Sinking at North Broken Hill Ltd., Broken HillWinzes are usually sunk 9 ft. 6 in. long by 6 ft. 0 in. wide and are divided into two compartments, 4 ft. 0 in. by 5 ft. 0 in. inside the timbers. The general practice is to sink the winze to a depth
Jan 1, 1941
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RI 5424 Cable-Tool Coring With Oil-Base Mud In Appalachian Oilfields ? SummaryBy W. T. Wertman
A research program to aid development of better and more efficient methods for producing petroleum and increasing its ultimate recovery from underground formations is an integral part of the work of t
Jan 1, 1958
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Operating Strategies for Custodians of Company Assets Creating WealthBy A L. Welsh, P S. Newling
Mill operators are entrusted to manage what are normally the largest capital assets on any mine site. Achieving maximum utilisation and lowest costs that drive operating margins are realised by applyi
Sep 7, 2015