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  • SME
    Evaluation Of The Croweburg Coal Underclay For Possible Commercial Utilization

    By Kenneth V. Luza

    Underclays are associated with coals found in eastern Oklahoma. These coals are of bituminous rank and are in beds of Middle and Late Pennsylvanian age. They occur in an area of about 8,000 mi2, withi

    Jan 1, 1999

  • SME
    Sulfate-Induced Swelling On Lime Treated Soils

    By I. E. Zevgolis

    A comprehensive critical review on the subject of sulfates-induced swelling behavior of lime-treated soils is presented in this study. Starting with the description of a well documented case study, th

    Jan 1, 2008

  • SME
    Modern Cast Iron Tunnel And Shaft Linings

    By A. C. Lyons, A. J. Reed

    INTRODUCTION A trend which is obvious in the United Kingdom and is thought to be evident in other parts of the Western world is the disproportionate rise in the cost of tunnel mining labour compare

    Jan 1, 1974

  • SME
    Technical Note - Novel tracing technique for the coal preparation industry

    By M. G. Ayat, J. W. Leonard

    Introduction Coal preparation plants are continuously losing clean coal in their refuse and contaminating their clean coal product with impurities. This is due to the lack of a system by which the

    Jan 1, 1988

  • SME
    Operations At The La Colorada Mine In Sonora Mexico

    By L. J. O’Connor

    Mining activities in the small historic mining camp of La Colorada in the state of Sonora, Mexico can be traced back to the mid eighteenth century when gold was discovered and exploited by Jesuit miss

    Jan 1, 1996

  • SME
    Mineral Resource Laws: The Spectre Of Ecology

    By D. Wallace Fields

    Increasing public pressure and demands from various tiers of government have generated a legislative maze of statutory and administrative requirements facing industries involved in mineral extraction

    Jan 1, 1972

  • SME
    Wage Disparities In NAFTA Nations

    By 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

  • SME
    The Effect Of Foliation Shear Zones On Underground Construction In The Canadian Shield

    By R. P. Benson, D. H. MacDonald, D. R. McCreath

    1 - INTRODUCTION The Canadian Shield is well known as being among the older exposed areas of the earth's surface. Except for local zones, its extent from the Arctic to central North America

    Jan 1, 1974

  • SME
    Design Tools for Construction Engineering

    By Scott G. Britton

    Up to now, the hands-on approach to construction has been stressed. This chapter reviews the basic tools available for construction design and monitoring of a construction project. It is divided into

    Jan 1, 1983

  • SME
    Process Water Recirculation in a Lead-Zinc Plant and Other Sulphide Flotation Plants

    By K. S. E. Forssberg, M. I. Hallin

    In many cases, the reuse of process water in flotation plants is desirable both for plant operating reasons and for environmental protection. The main advantages are better housekeeping of fresh water

    Jan 1, 1989

  • SME
    5. Computer-Based Microseismic Monitoring of Rock Burst Prone Areas ? Introduction

    By Jon T. Langstaff

    The microseismic method of detecting instability and high-stress zones in underground mines was first developed in this country by the US Bureau of Mines in the early 1940's (Obert and Duvall, 19

    Jan 1, 1979

  • SME
    Observation Of Construction Behavior Of A Major Rock Tunnel

    By Edward S. Plotkin, Joseph D. Guertin

    In a continuing effort to upgrade tunnel design and construction practice, the New York City Transit Authority sponsored a geotechnical monitoring program on a recently completed section of the E. 63r

    Jan 1, 1979

  • SME
    The Bowie Chabazite Deposit

    By Ted H. Eyde

    The Bowie chabazite deposit has yielded the most mined tonnage of any natural zeolite deposit in the United States. Since 1962 the deposit has yielded about 12,000 tons of crude chabazite, with an est

    Jan 1, 1987

  • SME
    Evaluation of Acid Preventative Techniques Used in Surface Mining

    By F. Allen Meek

    The Upshur Complex of Island Creek Coal Corp. consists of approximatly 35.000 acres of both surface and deep mine researves located in Upshur County West Virginia. The principle seams on the researve

    Jan 1, 1991

  • SME
    The Integration of the Sherritt Zinc Pressure Leach Process With Commercial Iron Precipitation Processes

    By E. Ozberk, J. B. Hiskey, M. J. Collins, B. J. Scheiner, M. E. Chalkley, I. M. Masters

    Conventional zinc concentrates generally contain 5 to 10% Fe, while bulk concentrates can contain up to 20% Fe. As a result, the disposal of iron bearing residues is an integral part of zinc refining

    Jan 1, 1993

  • SME
    Epidemiology of Hand and Finger Injuries of Coal Miners in the United States

    By James D. Bennett, David L. Passmore

    The Coal Mining Section of the National Safety Council has selected hand and finger injuries of coal miners as a major topic for safety policy analysis [Tinney, 19851. So that facts about hand and fin

    Jan 1, 1986

  • SME
    Emergence of Differential Social License: A Case of Impact and Benefit Agreements in Nunavut, Canada

    By Peter Moser, Michael Hitch, Michael Tost, Susanne Feiel

    "Impact and Benefit Agreements (IBAs) are intended to be a negotiated agreement between an industrial proponent and a community, local or regional citizens’ organization. Although the elements have gr

    Jan 1, 2017

  • SME
    An Optimization Problem For Coal-Mine Ventilation Shafts ? Introduction

    By Y. J. Wang

    Optimal sizing of a ventilation shaft is a classical subject in mine ventilation economics.. The shaft size is optimized by minimizing the sum of shaft-construction and ventilation-power costs, or own

    Jan 1, 1982

  • SME
    Whodunit: Using Expert Witnesses in Environmental Litigation

    By Laura J. Carroll, Gordon A. Goldsmith

    Experts, like many of the speakers at the SME Annual Conference, are frequently called upon by lawyers to assist them in litigation. Due to the technical nature of many cases, the testimony of an expe

    Jan 1, 1998

  • SME
    A Mixed Integer Linear Programming Approach To Limestone Quarry Scheduling Optimization With Sequencing And Blending Constraints

    A linear programming model with integer sequencing variables is developed to schedule limestone production for a quarry in Central Japan. The model is used to optimize raw material production from the

    Jan 1, 2003