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  • SME
    Mining At Aspen

    By Bruce Bryant

    Silver ore was discovered at Aspen in 1879, but the district did not reach full production until 1888 after lawsuits were settled and railroads furnished less expensive transportation to the outside w

    Jan 1, 1982

  • SME
    Reclamation of Canmore Creek; Example of a Successful Walk Away Pit Lake Closure

    By H. Gerry Stephenson, Devin Castendyk

    "One of the most important environmental issues associated with contemporary openpit mining is the closure of mine pit lakes, and the perpetual legacy these lakes can potentially generate. Ideally, su

    Aug 1, 2019

  • SME
    Support Communities - The Human Factor In Resource Development

    By Robert W. Yokom

    As the search for new sources of energy and minerals leads to more remote areas of the country - and the world - the need to plan for adequate housing and community facilities for the construction and

    Jan 1, 1981

  • SME
    Subsurface Disposal Of Mine Water ? Introduction

    By Robert Stefanko

    The concept of disposing of liquid industrial wastes by deep-well injection is not a new one. Brines associated with crude oil long have been disposed of in this manner, with the additional benefit of

    Jan 1, 1969

  • SME
    The new mineral sands plant of the 3rd Millennium…How difficult-to-treat feedstocks can get a new lease on life

    By J. M. Elder, W. S. Kow

    Challenges to new heavy mineral deposit developments are presented. These include land use issues, particle fineness, declining grades, and particle coating, amongst others. Industry responses to thes

    Jan 1, 2005

  • SME
    Energy Mathematics for Crushing Applications and Systems for Optimizing Comminution Costs

    By Malcolm D. Flavel

    Much has been said and written about the world's, and particularly the united states of America's, energy crisis. The relative changes between cost components of production have altered bec

    Jan 1, 1980

  • SME
    Raise Boring - The Reaming Cycle

    By Euclid P. Worden

    INTRODUCTION Today, conventional raise boring is an accepted method of development in underground mines and on major construction projects. Over the years that this technique, and its associated ma

    Jan 1, 1985

  • SME
    Underground Application of Ultra-Wideband Radio for Robust Positioning and Communication

    By S. Schade, G. Möllemann, C. Niestroj

    "Mining environments, whether open-pit or underground, pose difficult conditions for any sensor system. However, the ever-increasing need for automation requires the application and use of sensor syst

    Jan 1, 2017

  • SME
    Laboratory heap leach testing : How small-and large-scale tests compare

    By Russell B. Dix

    Laboratory column leach tests are used routinely to evaluate gold and silver ores for heap leaching. The tests are fairly straightforward. The ore to be tested is placed into an appropriately sized le

    Jan 1, 1989

  • SME
    Incline/Decline Boring With Tunnel Boring Machines

    By Jack E. Brockway

    As tunnel boring machine technology has expanded, so has its range of application. Tunneling machines (TBM's) are tackling tasks today that fifteen years ago were considered "inappropriate". A ca

    Jan 1, 1983

  • SME
    Coal Division ? Longwall ? Underground Mining I - Strata Control Simulation During Longwall Mining ? Introduction

    By Christopher Haycocks

    Because of growing pressure from government and consumers to produce more coal, the mining industry must improve existing techniques and devise more efficient mining methods. Mining of the thicker, sh

    Jan 1, 1979

  • SME
    Design and Construction of EPB Tunnels Within an Artesian Groundwater Aquifer - Addressing Environmental Issues

    By Adrian Coombs

    The York Durham Sewage System (YDSS) Interceptor Tunnel Project is located in the Town of Richmond Hill, Ontario, Canada, just north of Toronto. Construction commenced in September 2006 and completion

    Jan 1, 2008

  • SME
    Mining Data Collection, Storage, and Interpretation Method Advancements

    By Jay Nopola, Christopher Johnson, Matthew Minnick, Erik Hemstad, Erik Walega

    Mining data collection, storage, and interpretation methods have progressively changed over time. Data collection, for the most part, has transitioned from handwritten notes and logs based on manual g

    Jun 25, 2023

  • SME
    Stress control methods help to optimize underground mine design

    By Mark Lawshe, Shosie Serata

    The conventional method of mining underground, using narrow rooms and wide pillars, has proven to be poorly adapted to the powerful earth forces that act on underground openings. The high costs of roo

    Jan 1, 1989

  • SME
    Multi-Boiler Coordination And Steam Header Control On A Large Coal Fired Metals Plant

    By P. Rambalee

    A multiple coal fired boiler house provides steam for utility usage in various production plants. Maintaining stable header pressure and boiler availability is of critical importance for downstream co

    Jan 1, 2012

  • SME
    NAT 2018 Full Proceedings - NAT2018

    By Matthew Preedy, Brett Campbell, Jim Rush, Alan Howard, Derek Penrice

    All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho

    Dec 1, 2018

  • SME
    RETC 2009 Full Proceedings - RETC2009

    By Bill Mariucci, Gary Almeraris

    All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho

    Dec 1, 2009

  • SME
    Pregrouting in Rock: Contemporary Basic Principles

    By Donald A. Bruce

    Pregrouting is an extremely important part of many rock tunneling projects. However, poor and unsatisfactory performances have been frequently recorded often with very severe consequences, technically

    Jan 1, 2005

  • SME
    RETC 2025 Full Proceedings - RETC2025

    By Samer Sadek, Brian Hagan

    We are thrilled to welcome you to the 2025 Rapid Excavation and Tunneling Conference (RETC), which will be held in Dallas, TX. This year’s conference will showcase the continued trend of strong indust

    Oct 1, 2025

  • SME
    Electro-Biochemical Reactor (EBR) Technology for Selenium Removal from British Columbia?s Coal-Mining Wastewaters

    By A. Opara

    The weathering of coal mine waste rock releases iron, calcium, sulfate and associated trace elements like selenium [Se], which are introduced to seepage waters. Nitrogen species, such as nitrate and a

    Feb 23, 2014