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Mineral Hill Mine – A Case Study in Corporate EnvironmentalismBy J. W. Danni
Today's mining industry faces many challenges. Perhaps none is more important than the challenge of improving our industry's public image. Opinion polls document public concern for a clean a
Jan 1, 1992
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Risk Management Strategies for Southern Nevada Water Authority’s Lake Mead Intake No. 2By Steven W. DeCou, Marcus R. Jensen, Stephen Navin
The Lake Mead Intake No. 2 is a project constructed for the Southern Nevada Water Authority which includes a 12-foot diameter lake tap and intake shaft constructed in over 225 feet of water; 1650 feet
Jan 1, 1999
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54. Livengood - Last of the Alaskan Gold RushesBy Charles F. Herbert
Placer mining in Alaska had a desultory inception at Sumdum in 1869 and, during the years 1880 to 1896, received thin nourishment from the readily exhausted gold placers at Juneau and the longer- live
Jan 1, 1991
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Goal Programming For Strategic Planning ? IntroductionBy K. C. Jordi
Many systems which are modelled mathematically result in a model where the relationships between some or all of the parameters are found to be non-linear. These systems are usually complicated further
Jan 1, 1979
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The Study Of Choosing Opiimal Plan Of Air Quantities Regulation Of Mine Ventilation NetworkBy Hu Wenjun, Li Maonan
Mine ventilation systems mostly are ventilation networks with fixed-quantity branches. The solution to the problem of ventilation networks with fixed-quantity branches is obtained by choosing the fixe
Jan 1, 1991
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A Comparison Of The Performance Of Impactors And Gravimetric Dust Samplers In Mine Airflow ConditionsBy R. V. Ramani, R. Bhaskar
While the National Academy of Sciences has stated that gravimetric sampling technology for compliance purposes is adequate, research into various aspects of respirable dust control require data on man
Jan 1, 1987
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Explosive Excavation ResearchBy Richard H. Gates
INTRODUCTION The U. S. Army Corps of Engineers is developing chemical explosive excavation as a construction technique for use on Civil Works projects. Large chemical charges are being used in mult
Jan 1, 1997
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Physical Evalution Of Placer DepositsBy James N. Prudden
Measurable physical characteristics of placer deposits include geological, geomorphological, sedimentological and mineralogical features which produce the complimentary ingredients with which one can
Jan 1, 1987
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Stability Problems Caused By Seams And FaultsBy T. L. Brekke, T. R. Howard
Stability of an underground opening can be defined in several ways. To geologists and engineers that are used to working in geological environments where the major parts of the works after careful sca
Jan 1, 1997
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Computer Model For Evaluating The Dust Reduction Potential Of Various Mining Practices For A Continuous Miner SectionBy Robert A. Jankowski, J. Drew Potts
By implementing various mining practices, mine operators can reduce the respirable dust exposure levels of the roof bolter and the continuous miner operators. The Bureau of Mines has developed a compu
Jan 1, 1987
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Syncrude: Biggest Oil-Sand Miner Gets Biggest Hydraulic ShovelThe world's largest hydraulic excavator was recently introduced at Syncrude's North Mine at Fort McMurray, Alberta, in Canada. O&K's 826t (910-st) behemoth RH400, with a 42-m3 (55-cu yd
Jan 1, 1998
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Underground Excavation - Status And PotentialBy Armstrong
This is a world of change and has been from the beginning. There are constant efforts on the part of natural forces to wear down the high spots and fill in the low spots. Wind and water over eons of t
Jan 1, 1974
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Trends In Hard Rock Mined Land Reclamation And Financial Assurance RequirementsBy Dalva L. Moellenberg
Introduction Hard rock mine closure (often referred to as decommissioning), mined land reclamation and financial assurance requirements are receiving considerable attention by governments and organ
Jan 1, 2005
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Mineral Process Engineering – A Historical Perspective and Predictions For the FutureBy F. F. Aplan
Mineral process engineering is a small but important part of the nation's raw material industry. Minerals are usually processed in large plants of high capacity, at low cost, using few engineers
Jan 1, 1992
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Geophysical Techniques For Selection, Analysis And Monitoring Uranium Waste Disposal SitesBy Roy E. Williams, Muriel S. Robinette
Ground-water contamination from uranium operations could be avoided with proper site analysis techniques. Contamination from tailings disposal sites is carried downgradient within permeable hydrostrat
Jan 1, 1980
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Red Dog – Cominco’s Arctic Experience Pays Off AgainBy Steve Kral
The Red Dog zinc-lead deposit, said to be the world's second largest, is located inside the Arctic Circle in northwestern Alaska - a location too harsh and remote for some mining companies but ju
Jan 1, 1992
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Analysis Of Physical, Chemical, And Mineralogical Characteristics Of Airborne Coal Mine DustsBy Lijun Xu, Jan M. Mutmansky
The purpose of this research was to investigate airborne coal mine dust characteristics in order to assess the possibility of contribution of these characteristics to the incidence of coal workers&apo
Jan 1, 1991
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Bolt Profile Configuration And Load Transfer Capacity OptimisationBy Naj Aziz
Both bolt profile shape and spacing (rib spacing) have been found to influence the bonding capacity of the grouted rock bolt. The bolt surface profile configuration has greater importance to rock bolt
Jan 1, 2009
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Semiautogenous mill liners : Designs, alloys, and maintenance proceduresBy D. M. Kjos
Large-diameter autogenous and semiautogenous grinding mills represent the primary thrust of the expanding grinding technology. In spite of initial difficulties, large autogenous and semiautogenous mil
Jan 1, 1987
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How to Sell R&D in Your Organization-Without BeggingBy Steven A. Elmquist
INTRODUCTION R&D activities are needed, at a minimum, for a company's competitive survival followed in importance by the growth and diversification of the company. For most industrial companies
Jan 1, 2004