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  • NIOSH
    IC 6995 Reconnaissance Of Mining Districts In Humboldt County, Nev. ? Introduction

    By William O. Vanderburg

    This paper gives the results of a reconnaissance of the mining districts in Humboldt County, Nev., made during the month of June, 19373/. During the field work, virtually all the mining districts in t

    Jan 1, 1938

  • NIOSH
    OFR-37-85 Analysis Of Recharge To An Underground Lead-Zinc Mine, Coeur D'Alene Mining District, Idaho

    By Joel A. Hunt

    The Bunker Hill Mine, located in north Idaho, consists of over 150 miles of passageways within highly fractured and faulted Precambrian metamorphosed rocks. The Bunker Hill Mine was at one time a majo

    Jan 1, 1984

  • NIOSH
    Bulletin 95 A Glossary of the Mining and Mineral Industry

    By Albert H. Fay

    This glossary is publi~hed- by the Bureau of Mines as a contribution' to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both tech

    Jan 1, 1920

  • NIOSH
    Mineral Indicators - Antimony -

    A new mine has begun production of antimony ore and concentrates in Serbia, Yugoslavia. The mine is operated by the mining and metallurgical enterprise "Aajaca." Initial production is running at appro

    Jan 1, 1976

  • NIOSH
    Mineral Indicators - Aluminum: (5c12ea66-3e5c-498f-9e0e-429d4e322050)

    U.S. producers for more than 5 months have priced 99.5 percent primary aluminum ingot at 486 per pound. Sales by independent dealers in this same period reportedly declined by 0.5$-2.5$ to 43.50- 44.5

    Jan 1, 1977

  • NIOSH
    Fourth-Quarter 1986 Economic Activity And First-Quarter 1987 Outlook - Fourth Quarter And 1986

    By Keith L. Harris

    Real2 gross national product (GNP) grew at a seasonally adjusted annual rate of 1.3% in the fourth quarter and at 2.5% for all of 1986, according to the most recent Department of Commerce estimates ta

    Jan 1, 1987

  • NIOSH
    OFR-57(1)-78 Feasibility Studies Of A Bidirectional Auger System And A Machine Mining Plan - Volume I, Bidirectional Auger System

    By A. N. Baldwin

    This report documents work performed under Bureau of Mines Contract J0265029 to study and develop two innovative mining systems: ? An underground auger capable of augering into the right and left r

    Jan 1, 1977

  • NIOSH
    IC 9182 Human Factors In Mining

    By Mark S. Sanders

    There is a growing awareness among mining professionals that the human factor plays a significant role in safety and productivity. Since the 1960's, the science of human factors, or ergonomics, h

    Jan 1, 1988

  • NIOSH
    Mineral Indicators - Aluminum (9d52498e-cbaa-467d-bf52-eb03dc09d331)

    On November 9, the Reynolds Metals Company cut production by 12 at its primary aluminum smelters at Troutdale, Oreg., and Longview, Wash., as a result of an earlier 25% power cutback by the Bonneville

    Jan 1, 1979

  • NIOSH
    Mineral Indicators - Aluminum (f195aca1-1f29-4192-9a0d-57071e1fa0a7)

    The London Metal Exchange began its first official session of aluminum trading on Monday, October 2, LME prices based on 3-month forward contracts opened Monday at 52.4 cents per pound, fell midway th

    Jan 1, 1978

  • NIOSH
    Significant Events In 1986 - National Economic Performance

    The U.S. economy continued to expand during 1986, although at the slowest pace since 1982 when the current business expansion began. Real gross national product (GNP) grew about 2.6%, slightly below 1

    Jan 1, 1986

  • NIOSH
    Mineral Indicators - Aluminum (9bb20c36-40a8-40e9-869f-48965cf2a347)

    The Aluminum Company of America (Alcoa) announced plans to shut down production at the remaining two potlines at its Point Comfort, Texas primary aluminum smelter due to the increased costs of natural

    Jan 1, 1978

  • SME
    Introduction to Mining

    Contributions made by mining have played a much more significant role in the development of civilization than is generally conceded by historians or recognized by ordinary citizens. In modern society,

    Jan 1, 2008

  • NIOSH
    Mineral Commodity Summaries 1978 - An Up-To-Date Summary Of 95 Mineral Commodities ? Aluminum

    1. Domestic Production and Use: In 1977, 12 companies operated 31 primary aluminum reduction plants, with 3 firms accounting for 65% of production capacity. Washington, Oregon, and Montana accounted f

    Jan 1, 1978

  • NIOSH
    Mineral Indicators - Aluminum: (8360beb9-cad2-41f6-97b0-42204723aeec)

    At the end of August, U.S. producer posting of 99.5 percent unalloyed aluminum had been established at 48¢ per pound. At that time, dealer-quoted unalloyed ingot was reportedly at 44¢-47¢. CADMIUM

    Jan 1, 1976

  • AIME
    The Excursion To Hawaii And Japan.

    By R. W. Raymond

    On the Manchuria. SOMEWHAT fatigued with excess of enjoyment and strenuous continuity of movement on the trip to and through California, the members and guests of the Institute party embarked Tuesday

    Jan 1, 1912

  • 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
    State Mineral Summaries - 1992

    The STATE MINERAL SUMMARIES publication provides estimated data and summaries of mineral activities at the State level for 1991. Most of the estimates are based on nine months data. Individual State s

    Jan 1, 1992

  • NIOSH
    OFR-5-78 Humidity Effects On Coal Mine Roof Stability

    By N. B. Aughenbaugh

    This report summarizes the results of an investigation into the causes of coal mine roof instability caused by the environmental characteristics of the air ventilated through a mine. The field studies

    Jan 1, 1976

  • NIOSH
    IC 6787 Placer Mining In The Western United States - Part II. Hydraulicking, Treatment Of Placer Concentrates, And Marketing Of Gold ? Introduction

    By E. D. Gardner

    This paper is the second of a series of three on placer mining in the western United States. The first paper4 discusses the history of placer mining in the Western States and the production of placer

    Jan 1, 1934