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Wage Disparities In NAFTA NationsBy Jennifer B. Leinart
With the signing of the North American Free Trade Agreement (NAFTA), Canada, the United States and Mexico entered into an international experiment in economics amid a cloud of controversy that still
Jan 1, 1998
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Using Geophysics To Characterize Lignite/Coal Resources - 1.0 IntroductionBy William P. Walsh
In December 1983 the author undertook an investigation in east Texas which was organized to learn the feasibility of applying geophysical techniques over shallow lignite deposits. The work embraced ex
Jan 1, 1985
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Computer Simulation Modeling Of Coal Preparation Plants To Analyze The Profitability Of Individual Raw Coal Feed SourcesBy A. D. Walters
Computer simulation models of preparation plant operations and cost analysis have been used to determine the profitability of individual coals. The model's input consists of raw coal size and was
Jan 1, 1987
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Productive And Cost Effective Drilling (af2e6204-4b3b-4115-a882-fcaa5d0d9959)By L. B. Paterson
Mining Engineers throughout the world have an appreciation for the importance of the role of the Blasthole Drill in one of the primary elements of the mining process. This paper highlights areas that
Jan 1, 1999
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Microprocessor-based weighing and control system improves in-motion loading of coal trainsBy David M. Stearns
Introduction Millions of tons of coal are shipped by rail each year in the US. Loading those trains efficiently is a topic being studied by coal producers and railroads. Alternatives range from volum
Jan 3, 1985
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Stillwater Mining Co.’s Precious Metals Smelter – From Pilot to ProductionBy Gregg J. Hodges
The Stillwater Mining Co. is a partnership of The Pittsburg & Midway Coal Mining Co. and Manville Corp. The Stillwater Mine, located near Nye, MT, is the Western Hemisphere’s only primary platinum-pal
Jan 1, 1991
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A Meander Cutoff Into A Gravel Extraction Pond, Clackamas River, OregonBy E. F. Schnitzer, C. Lidstone, D. Cramer, P. J. Wampler
The River Island mining site is located at approximately river mile (RM) 15 on the Clackamas River, a large gravel-bed river in northwest Oregon. During major flooding in February 1996, rapid channel
Jan 1, 2006
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Colloidal Precipitation Of Fatty Acids In FlotationBy R. C. Bunge
Many minerals float best with fatty acids in the intermediate pH range. For example, fluorite, a semi soluble salt mineral, exhibits a maximum contact angle and a maximum flotation recovery in the pH
Jan 1, 1994
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Update of Environmental Regulatory Controls on Mines in AustraliaBy Chris Joyce, Peter Ryan, Graeme Mcllveen
This paper briefly summarizes regulatory procedures and government agency roles and jurisdictions in each Australian State and Territory. The role of the Commonwealth of Australia and selected current
Jan 1, 1991
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Professional Mining Education Available at Mexican UniversitiesBy Antonio Peralta
Mining activity in Mexico began in the 16th century when the Spanish realized the mining potential of the new territory. Since that time, mining has evolved into a strong and vital industry for the co
Jan 1, 1994
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Effects Of Dust Generation Rate And Source Speed On Dust Flow In A Simulated Longwall FaceBy Jianmin Qin, R. V. Ramani
The major parameters affecting dust flow at a longwall face are dust generation rate, air velocity and quantity distribution at the face, and the characteristics of the dust such as particle size dist
Jan 1, 1991
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Field Performance Evaluation Of A Rock Drill Handle DesignBy T. N. Moore, E. M. De Souza
Because jackleg rock drills are a potential source of hand vibration exposure, they can effectively produce Hand Arm Vibration (HAV) Syndrome in their operators. This will affect operator efficiency a
Jan 1, 1994
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A Conceptual Design Of Test Procedures To Determine The Effect Of Climatic Conditions Upon The Characteristics Of Effluents . From Acid Producing Waste MaterialBy A. Bruynesteyn
Procedures are discussed to determine if a waste material can become acid producing when left exposed to the environment. When wastes proves to be acid producing, methods are described that can be use
Jan 1, 1980
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Beneficiation Of Unrelated Western Phosphate Ore - IntroductionBy C. H. Cox
The Alumet Company of Golden, Colorado, is currently engaged in the development of their Diamond Creek and Lanes Creek phosphate ore bodies located near Soda Springs, Idaho. The Alumet Company is a pa
Jan 1, 1979
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Marketing Value-Added Minerals To Specialized MarketsBy G. P. Larson
We define a specialized mineral market as follows: Specialized markets occur where a low volume of a given mineral is used to convey a large benefit to a specific product. Sales of these value added
Jan 1, 1993
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Subsurface Investigations and Preliminary Design Considerations of the Montreal Metro Blue Line Extension ProjectBy Giovanni Osellame, Jean Habimana
"The Montreal Metro Blue Line Extension Project is part of a metropolitan Program that was launched in 2009 by the Transportation Ministry of Quebec to add additional extensions to existing metro line
Jan 1, 2016
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Methane Drainage from Gassy Mines - A Global ReviewBy Pramod C. Thakur
Sixty countries around the world mine about 5000 million tonnes of coal annually and simultaneously produce nearly 25 million tonnes (36.8 Gm3) [One tonne of methane at a temperature of 15°C and a pre
Jan 1, 1997
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A Simulation of a Multi-Pit Surface Mining Operation - IntroductionBy C. B. Manula
This paper presents the results of an application of the PSU/USBM Open Pit Materials Handling Simulator (1) to a large stripping mine in the Southwestern Coalfield. The specific objective of the study
Jan 1, 1979
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Applying Traceability In A Mine-To-Mill Context By Using Particle Texture AnalysisBy P. Oghazi
It is possible to have traceability in the mining industry, by parameters and signatures like particle mineralogy, mineral association, texture and mineral liberation. The study is on an apatite-iron
Jan 1, 2010
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The Sustainability Of Gold Mining In EuropeBy M. Cambridge
During the latter part of the twentieth century exploitation of mineral resources, and gold mining in particular, experienced a resurgence in Europe, with major mining houses and many junior companies
Jan 1, 2003