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The Use Of Computers At Newmont's Corporate OfficeBy J. R. Parry
Over the past several years, computerized financial models have been an important part of Newmont's strategic planning process. Two applications will be discussed in this paper: a general purpose
Jan 1, 1989
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Intermediate Booster Drives Aid Longwall MiningBy Robert J. Wise
The mine plan for an underground longwall mine plan usually requires a longwall panel conveyor that begins operation at its maximum length and gradually shortens over the life of the panel. Current mi
Jan 1, 1993
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Tunnel Construction For The Sao Paulo SubwayBy Luiz Roberto Amaral, Peter Frobenius
Construction of the first phase of the Sao Paulo Metro, the North-South Line, will be completed late in 1974. The downtown section of this line consists of 2.2 miles of 19.6-foot diameter soft ground
Jan 1, 1974
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Mechanical Heading Of The Walgau Headrace Tunnel In AustriaBy Eckart Schneider
PROJECT The Walgautunnel is the heart of a new hydro scheme in Western Austria, which is supposed to go into operation in 1984. With it's length of 21,4 km, a bored diameter of 6,25 m and an i
Jan 1, 1983
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The Taxation of Iron Ore in MinnesotaBy Duluth Engineers' Club, Engineers' Club of Northern Minnesota
"Iron ore in Minnesota probably carries a heavier tax burden than any mineral in any other place in the world. The State Tax Commission, created in 1907, originated the system, and with the assistance
Jan 1, 1920
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Mining : The Decade Begins With a Difficult YearBy M. J. Garcia, Howard Hallman, G. M. T. Marshall, Ken Higby, Louis Cope, Robert S. Hess, John Peters, A. G. Law, William C. Larson
After a good year in 1979-strong mineral demand, adequate prices for most metals, minimal labor problems-1980 was not so good. The US produced $24.8 billion worth of nonfuel minerals last year, up 3.5
Jan 5, 1981
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Through The Eyes Of An Educator (a6e1ef06-7699-4887-b17e-952e8e976a18)By Guy T. McBride
Mr. Chairman, Fellow Keynoters, Ladies, and Gentlemen: It is purposed to consider the theme of this meeting, "The 1970's - Pivotal Decade for the Mineral Industries," from the particular -- some
Jan 1, 1972
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Excavation Of Bear Swamp Underground PowerhouseBy James J. Brady
The basic story at Bear Swamp was how to excavate an underground chamber 79 feet wide by 227 feet long and 150 feet high, along with the related access, tarbrace, leads, power tunnels and shafts, do i
Jan 1, 1974
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Roll-Press Briquetting Can Help Lime Producers Improve Materials HandlingBy Richard Komarek
When limestone (Ca03) is calcined in rotary kilns to produce quicklime (CaO), it is not unusual for 10% to 20% of the stone to abrade and emerge from the kiln as quicklime fines (-6.3 mm or -0.25 in.)
Jan 1, 1993
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Mixed Face Tunneling In Urban SettingBy Drupad B. Desai, C. C. Ku
INTRODUCTION The Laurens Street section of the Northwest Line of the Baltimore Region Rapid Transit System, located along Pennsylvania Avenue between Pitcher Street and North Avenue is situated in
Jan 1, 1981
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The Effective Integration of Microcomputers into Mine Safety Training ProgramsBy Ashis Bhattacherjee, Subrata Chatterjee, Michael T. Dewey, Christopher J. Bise
In order to continue the advancements made during the past two decades in the reduction of the severity of accidents and injuries in underground coal mining, closer attention will have to be paid to t
Jan 1, 1992
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Maintenance Scheduling and ManagementBy John W. Rushton
THE PLANNED MAINTENANCE PROGRAM All concentrators should start with a planned maintenance program from day one. Every- body thinks they have a program in place before start-up, but in reality, most
Jan 1, 1986
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Fe-Mn Oxide Coating Vs. -80 Mesh Alluvium In Stream Sediment Geochemical SurveysBy Robert H. Carpenter
Downstream dispersion curves for certain trace metals were obtained from two mineralized areas in the southeastern U. S. In Lincoln Co., Georgia, 7 sample sets were collected downstream from the Magru
Jan 1, 1975
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Clays – A Review of 1992 ActivitiesBy K. L. Kayler
Ball clay production in 1991 amounted to about 800 kt (880,000 st), about the same as in 1990. 1992 estimates show a 5% decrease to 750 kt (827,000 st). This decrease continued a trend of reduced prod
Jan 1, 1993
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Status of Advanced Coal Cleaning As a Compliance TechnologyBy William P. Barnett
In 1988, the US Department of Energy's (DOE) Pittsburgh Energy Technology Center identified three coal cleaning options for achieving flexible environmental control strategies aimed at reducing e
Jan 1, 1992
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A New Utilization Option For Coal FinesBy Joseph Renk, David Akers, Glenn Shirey
Each year, US coal cleaning plants landfill or impound millions of tons of high-quality, fine-sized coal. This coal is not only difficult and expensive to capture during cleaning, but, if captured, ca
Jan 1, 2005
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Bioleaching of Sulfide Concentrates and Ores: Study of Refractory Gold and Non-Ferrous Base Metals OresBy Pierre Ollivier, Dominique Morin
A general study of gold refractory arsenopyrite pyrite concentrate bioleaching has been carried out including two continuous bioleach testworks at different sizes, namely one at a laboratory scale wit
Jan 1, 1990
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New Techniques In Deep Pre-Sinking Of Mine ShaftsBy Cyril Heever
ROCKS outcropping in Elandsrand's lease area consist of quartzite, shale and lava of the Pretoria group and are underlain first by 1 300 metres of dolomite and then by the Black Reef series. This
Jan 1, 1981
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Discussion – Control of coal mine bursts K. Y. Haramy, J. P. McDonnell, and L. A. Beckett Technical Papers, MINING ENGINEERING, Vol. 40, No. 4 April 1988, pp. 263-267By G. Bräuner
The methods of burst control treated in the authors' very informative paper have been applied in the Ruhr Coalfield, Germany, for more than 20 years and have proved to be highly effective. It mig
Jan 1, 1989
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Acid Rain – An Example of Environmental EpistemologyBy Edward C. Krug
"You are to use the word ... purely for its selling power. It is a name they venerate. As a result, you can use the word ... to ... get [them] to practice, not only without shame bit with a positive g
Jan 1, 1992