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  • NIOSH
    OFR-88-79 Study Of The Human Factors Aspects Of An Automated Continuous Mining Section

    By Robert L. Frantz

    This report is a part of the project "Study of the Human Factors Aspects of an Automated Continuous Mining Section". The report covers three phases: Phase I Assessment of the Impact of the Auto

    Jan 1, 1977

  • NIOSH
    Commodity Data Summaries 1977 - An Up-To-Date Summary Of 95 Mineral Commodities ? Aluminum

    Domestic Production and Use: In 1976, 12 companies operated 31 primary aluminum reduction plants, with 3 firms accounting for 63% of production capacity. Washington, Oregon, and Montana accounted for

    Jan 1, 1977

  • NIOSH
    OFR-122(4)-78 Advancing Oil Shale Mining Technology: Program Evaluation - Benefit-Cost Analysis

    By G. F. Kuncir

    The analysis described herein evaluates the Bureau of Mines Program for Advancing Mining Technology - Oil Shale in terms of the economic benefits which may be derived for the Nation as a result of its

    Jan 1, 1977

  • NIOSH
    OFR-151-77 The Physical And Chemical Characteristics Of Available Materials For Filling Subsurface Coal Mines

    By James R. Dunn

    Samples were taken of industrial mineral waste materials which are potentially capable of being used for filling underground coal mines for subsidence control in the Pittsburgh and the Scranton-Wilkes

    Jan 1, 1977

  • NIOSH
    OFR-133A(1)-77 Longwall-Caving Mining Method For Thick Coal - Design And Feasibility Study - Final Report, Volume I

    By M. G. Wallis

    This report presents the results of a study to develop a detailed mining method design based on longwall mining with sublevel caving. The method is applicable to low-dipping coal seams 20 or more feet

    Jan 1, 1977

  • SME
    Copper Production Costs Update

    By F. Milton Lewis

    In this paper an attempt has been made to review the cost trends in producing copper by conventional milling. smelting and hydro-metallurgical means during the last five years. The primary objectives

    Jan 1, 1977

  • NIOSH
    OFR-164-77 Conceptual Design And Engineering, Economic And Environmental Analysis Of Surface Pit Slope Caving Mining System

    By H. M. Coggin

    The study summarizes the state of the art in rock mechanics, open pit and underground mining, leaching, geology, metallurgy and financial analysis Conceptual design of pit slope caving technique and a

    Jan 1, 1977

  • SME
    A Designer's Viewpoint of Medium-Support Interaction

    By S. N. Chadha

    INTRODUCTION The work described here refers to the Genesee River Interceptor Southeast Project. This project is a part of the Combined Sewer Overflow Abatement Program, Phase I, for the Rochester P

    Jan 1, 1977

  • NIOSH
    Abrasive Materials (MATERIALS MINERALS YEARBOOK-1977)

    By Robert G. Clarke

    The production of natural abrasives varied in quantity and value compared with those of 1974. Output of tripoli-type materials and garnet both decreased in quantity and value. Special silica stone pro

    Jan 1, 1977

  • AIME
    Australia's Slow Entry Into The Nuclear Age

    By Eugene Guccione

    Australia could eventually become a major world supplier of uranium oxide-but how quickly that happens depends on the outcome of a highly complex and emotional battle among different special interests

    Jan 1, 1977

  • AIME
    Australia's Top Money-Maker: Coal

    In the Bowen Basin of central Queensland, coal production has gone from virtually nothing in 1961 to more than 24 million tons today4ut there's a cloud over this success.

    Jan 1, 1977

  • AIME
    Innovative Computer Use For Underground Coal Mine Planning: Developing A Comprehensive Program System For Bethlehem's Mines

    By L. H. E. Weyher

    As a result of past developments, mainly at universities, the coal industry has had access for a decade or more to a number of computer programs for coal mine planning. Using some of these programs Be

    Jan 1, 1977

  • AIME
    Long-Term Economic Planning System And Methods In The USSR's Mining Industries

    By Yu A. Chernegov

    Building up the USSR's economic strength was the result of all the achievements and successes of our economy. The Soviet Union was the first to begin planned guidance of the economy. The mini

    Jan 1, 1977

  • AIME
    Alaska Mining's Chilly Future in the Land of the Midnight Sun

    By Russell A. Carter

    Alaska is a land of immense proportions and resources. Its very name, derived from an Aleut term, means "The Great Land." Yet, in a state slightly larger than Texas, California, and Montana combined,

    Jan 11, 1976

  • CIM
    International Transportation and Marketing of Canadian Potash

    By Kevin B. Doyle

    "Canada now supplies 23 per cent of the world demand for potash. Although potash is produced by many countries, Russia and Canada have the greatest reserves and capability to supply the future substan

    Jan 1, 1976

  • NIOSH
    Mining And Mineral Operations In The New England And Mid-Atlantic States - A Visitor Guide ? Introduction

    Minerals are vital to any industrialized civilization. Annually, the United States uses more than 4 billion tons of new mineral materials, or about 40,000 pounds per person-about half being mineral fu

    Jan 1, 1976

  • NIOSH
    RI 8130 Dust Dispersal by Explosion-Induced Airflow - Entrainment by Airblast

    By J. M. Singer

    In this Bureau of Mines study coal and rock dust beds were entrained by airblasts generated by gas explosions at the closed end of a 0.61-m-diameter explosion tunnel, 49.7 m long. The system was desig

    Jan 1, 1976

  • NIOSH
    IC 8682A Basic Estimated Capital Investment And Operating Costs For Underground Bituminous Coal Mines - Mines With Annual Prod Of 1.06 To 4.99 Million Tons From A 72-Inch Coalbed - Revision Of Information Circular 8632

    By Sidney Katell

    This study estimates capital investment, operating costs, and selling prices for four underground bituminous mines producing coal with annual production ranging from 1.06 to 4.99 million tons. It is a

    Jan 1, 1976

  • NIOSH
    IC 8715 Basic Estimated Capital Investment And Operating Costs For Underground Bituminous Coal Mines Developed For Longwall Mining - Mines With Annual Production Of 1.5 And 3 Million Tons By Longwall Mining From An 84-Inch Coalbed

    By John R. Duda

    The Bureau of Mines is developing estimates of capital investment, operating cost, and selling price for underground mines producing bituminous coal by various mining methods. This study estimates the

    Jan 1, 1976

  • NIOSH
    OFR-110(1)-76 Review And Evaluation Of Current Training Programs Found In Various Mining Environments; Volume I, Summary

    By J. Adkins

    This document presents a description of the results of a project aimed at producing a broad description of current mining training programs and an evaluation of their effectiveness with respect to red

    Jan 1, 1976