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  • NIOSH
    OFR-46-77 Propagation Of Radio Waves In Coal Mines - I. Executive Summary - A. Objective

    By Robert L. Lagace

    The objective of this task was to perform theoretical analyses related to identifying and increasing the understanding of wireless propagation mechanisms in mines, and for predicting the performance r

    Jan 1, 1975

  • NIOSH
    RI 3133 Sand-And-Gravel Safety Contest Of 1930 (2cf7933a-3927-4707-a0d6-45929fce1d8c)

    By W. W. Adams

    Lower accident rates were the outstanding feature. of the second annual sand and gravel safety competition conducted in 1930 by the United States Bureau of Mines in cooperation with the National Sand

    Jan 1, 1931

  • NIOSH
    IC 8300 Use Of Mineral Fillers, Granules, And Roofing Rock In California Asphalt-Consuming Industries (57f9cf7b-4a27-49b7-b076-3a12dc4a10fc)

    By Wallace W. Key

    This report concerns types, quantities, specifications, and uses of non-metallic minerals as a basis for improving their supply, conservation, and utilization. Supply-demand details concerning mine

    Jan 1, 1966

  • SME
    Project and Mining Geology

    By Donald A. Ranta

    Every mineral project or mine is based on a geologic entity-an ore (mineral) deposit. A well-defined mineral deposit and its associated geologic characteristics are the only aspects of a project that

    Jan 1, 2008

  • SME-ICGCM
    Coal Strength Variation by Lithotype for High-Volatile a Bituminous Coal in the Central Appalachian Basin

    By John A. Rusnak

    "This paper discusses the variation of coal strength based on the megascopic coal lithotypes for Central Appalachian high-volatile A coal beds. The composition of coal beds is complex and variable, de

    Jan 1, 2017

  • SME
    A Critical Overview of Dithiophosphinate and Dithiophosphate Interactions with Base Metal Sulfides and Precious Metals Mining, Metallurgy and Exploration

    By D. R. Nagaraj, Napoleon Tercero, Raymond Farinato

    Historically, as for most reagents used in flotation, the wide-spread use of dialkyl dithiophosphinates as collectors in practical applications has preceded a detailed scientific understanding of how

  • NIOSH
    OFR-155-82 Longwall Mining Principles For Safely Working Steep Coal Seams

    By Roger F. J. Adam

    This report summarizes the principles of safely working steep coal seam using longwall mining methods. It presents the state-of-the-art and identifies the problems which result from seam inclination.

    Jan 1, 1981

  • AUSIMM
    Lead and Zinc Smelting Charges

    By Grey CA

    Any economic evaluation of a lead-zinc mining project requires the estimation of net revenue per tonne of concentrate at the "mine gate". The value at the mine gate equals the Net Smelter Return min

    Jan 1, 1990

  • DFI
    Performance of Footings in Rock Based on Serviceability

    By C. M. Haberfield

    "1 INTRODUCTION Around the world, there is a demand for larger structures, tall buildings and large bridges. While good footing design is important for all structures, it is even more important in the

    Jan 1, 1900

  • NIOSH
    IC 8662 The Flathead Tunnel - A Geologic, Operations, And Ground Support Study, Burlington Northern Railroad, Salish Mountains, Montana

    By Eugene H. Skinner

    The 7-mile Flathead Tunnel, located in the central Salish Mountains of northwestern Montana, was constructed between 1966 and 1969, With the contract awarded April 19, 1966, drill and blast tunnel exc

    Jan 1, 1974

  • SAIMM
    Effective multi-dimensional orebody modelling: A key component of the mining value chain

    By W. P. Johnstone

    The computer assisted generation of geological models to represent the geometry of, and grade distribution within, orebodies is a rapidly growing area of the geological profession. Such models are inc

    Jan 1, 2003

  • NIOSH
    IC 7180 Mercury Poisoning As A Mining Hazard - Introduction

    By Sara J. Davenport

    With the increased demand for mercury incident to preparations for national defense and the reduction in imports from some of the usual sources owing to war conditions, many small mines in the United

    Jan 1, 1941

  • TMS
    Effects of the Mixed Surfactants on Detoxification of Chromium-containing Slag by Achromobacter sp. CH-1

    By Lijuan Chen

    During the detoxification of chromium-containing slag by Achromobacter sp. CH-1, anionic surfactant Sodium Dodecyl Sulphate(SDS) and its mixed systems with different Tween surfactants(Tween 20, Tween

    Jan 1, 2009

  • SME
    Annual Review 2001 – The United States 2001

    By R. F. Balazik

    By March 2001, shrinking global markets, reduced consumer spending and declines in domestic manufacturing and industrial output ended the longest economic expansion in US history and pushed the nation

    Jan 1, 2002

  • NIOSH
    RI 2710 Gas Hazards in Street Manholes

    By C. H. Kats, E. G. Meiter, J. J. Bloomfield

    "INTRODUCTION.Street manholes for underground power and signal circuits, and for sewers vary in size from small openings that a workman can enter, to large central vaults. As the gas hazards in manhol

    Oct 1, 1925

  • NIOSH
    RI 7608 Washability Examinations Of Core Samples Of San Juan Basin Coals, New Mexico And Colorado

    By A. W. Deurbrouck

    This report describes the washability characteristics of 18 coal samples taken from 11 drill hole cores from the San Juan Basin area of New Mexico and Colorado. The ash content of these coals could ge

    Jan 1, 1972

  • CIM
    Climate Change: Risks and Opportunities for Mining and Exploration Companies

    By Barbara Hendrickson

    Outline ? Canadian Regulatory Update ? Turning the Corner: Background & Status ? Implications of U.S. Waxman-Markey bill for Canada ? Federal-provincial considerations ? Current certainties and

    May 1, 2009

  • CIM
    Nanisivik Mine - A Profitability Comparison of Actual Mining to the Expectations of the Feasibility Study

    By Neil R. Burns, Michael Doggett

    Abstract - The Nanisivik mine offers a unique opportunity to examine the economics of a mining scenario from its original feasibility study through to closure. In the early 1970s, the Strathcona Sound

    Jan 1, 2004

  • NIOSH
    Bulletin 196 Coal-Mine Fatalities in the United States, 1919

    By Albert H. Fay

    Through the hearty cooperation of the State coal-mine inspectors, the bureau is able to present in this paper a a complete statement of the coal-mine fatalities occurring throughout the United States

    Jan 1, 1920

  • AIME
    Technical Notes - Crystallographic Angles for Magnesium, Zinc, and Cadmium (Correction, p. 880)

    By Edward I. Salkovitz

    THE determination of the orientation of metal single crystals and the studies of plastic deformation are greatly facilitated by the use of the stereographic projection. To draw a standard projection

    Jan 1, 1952