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  • RMCMI
    The Rock Dump

    GREETING Hail! Hail! the Coal Miner, Damn the operator, damn the operator, Hail! Hail to mining coal We'll tell 'em how to run the mines. Oh, we'll send out a questionnaire And w

    Jan 1, 1924

  • RMCMI
    Discussion Of Report Of Safety Committee (064435c4-33d8-4762-85ef-4a5f94c386c8)

    MR. D. HARRINGTON (U. S. Bureau of Mines) : I happen to be a member of the Safety Committee, and the men on the Committee, I believe are the ones who will find the most fault with the report; but I am

    Jan 1, 1924

  • AIME
    Greenawalt Electrolytic Copper Extraction Process

    By William Greenawalt

    The Greenawalt electrolytic copper extraction process is applicable to suitable oxide ores, sulfide ores and concentrates, and low-grade matte. The process is self-sustaining in acid on sulfide ores o

    Jan 1, 1924

  • AIME
    New York Paper - Effect of Severe Cold Working on Scratch and Brinell Hardness (with Discussion)

    By Willard H. Mutchler, Henry S. Rawdon

    As part of the study of the scratch-hardness method for metals and alloys in coöperation with one of the technical committees of the American Society for Testing Materials, the authors devoted conside

    Jan 1, 1924

  • AIME
    New York Paper - Role of Secondary Enrichment in Genesis of the Butte Chalcocite (with Discussion)

    By Augustus Locke

    In 1900, when. the public first heard of "secondary enrichment," the Butte chalcocite seemed clearly supergene. Mining, through successive regions of leached capping, bonanza sulfide, and sulfide less

    Jan 1, 1924

  • AIME
    Tulsa Paper - Effect of Back Pressure on Wells in Brock Field (with Discussion)

    By J. M. Lovejoy

    Various estimates have been made as 60 the percentage of oil left in a field after the wells have become so small that it is no longer practical to produce them. Engineers have given the matter much s

    Jan 1, 1924

  • AIME
    New York Paper - Primary Downward Changes in Ore Deposits (with Discussion)

    By W. H. Emmons

    Most mineral deposits change as they are followed downward on their dips. Some of these changes are due to primary arrangement; different ores were precipitated at different depths when the deposits w

    Jan 1, 1924

  • CIM
    The Minto Coal Basin of New Brunswick

    By W. S. Dyer

    The Minto coal basin lies in the central part of the province of New Brunswick, near the head of Grand Lake. The village of Minto which is the centre of mining activity of the district, lies about 35

    Jan 1, 1924

  • RMCMI
  • CIM
    Some Coal-Seam Correlation Problems in Alberta

    By Ralph L. Rutherford

    Geologists or mining engineers familiar with geology are frequently requested by mine operators to give correlation in-formation regarding some mining property with respect to an adjacent area on one

    Jan 1, 1924

  • AIME
    New York Paper - Timber Used in Bituminous-coal Mining

    By Newell G. Alford

    Forecasts of future timber consumption in soft-coal mining are handicapped by the lack of adequate experience records for estimating properly the timber requirements of the industry. Data were obta

    Jan 1, 1924

  • RMCMI
    Mine Fires

    By Thomas Foster

    One of the most dreaded things which mining men sometimes have to contend with is underground mine fires, which are both dangerous and expensive. In the Reliance mines we have had considerable troubl

    Jan 1, 1924

  • AIME
    New York Paper - Stainless Steel with Particular Reference to the Milder Varieties (Stainless Iron) (with Discussion)

    By John H. G. Monypenny

    The range of chromium content of stainless steel is, in most cases, included in the limits 11 to 14 per cent., or the middle part of the range, 9 to 16 per cent., specified by the discoverer. For some

    Jan 1, 1924

  • AIME
  • CIM
    Notes on Self-Contained Breathing Apparatus in Nova Scotia

    By James McMahon

    Although doubt has been expressed many times as to who first brought self-contained breathing apparatus to this side of the Atlantic, there is none whatever that the first organized station was establ

    Jan 1, 1924

  • CIM
    The Development of the Sullivan Mine and Processes for the Treatment of its Ores

    By Staff

    This paper contains an outline of the history of the Sullivan mine, now owned and operated by the Consolidated Mining & Smelting Company of Canada, Ltd.; some account of the various methods by which t

    Jan 1, 1924

  • AIME
    Biographical Notices - Oscar Rohn

    Oscar Rohn was born in Jackson, Wis., June 27, 1870. He attended the University of Wisconsin and there gained from Professor Van Hise his inspiration for scientific effort and useful attainment. While

    Jan 1, 1924

  • CIM
    Notes on Mining by the "V" System in West Virginia

    By J. C. Nicholson

    The "V" system was first introduced by the West Virginia Coal & Coke Company at their No. 9 mine, Norton. Norton is a small mining village on the B. & 0. railway, about seven miles from the town of El

    Jan 1, 1924

  • AIME
    New York Paper - Oil and Gas Leases (with Discussion)

    By Rush Greenslade

    The oil and gas lease is the basic contract of the oil and gas industry; it is the foundation stone upon which the producing industry, particularly, is based. As the industry is precarious and highly

    Jan 1, 1924

  • AIME
    Biographical Notices - Albert Ladd Colby

    ALBERT Ladd Colby, who died suddenly of influenza at Torquay, England, on Apr. 30,1924, was born in New York City, on June 26,1860. He was educated in the public schools of New York, at the College of

    Jan 1, 1924