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  • AIME
    Leaching of Caved Areas in the Ohio Copper Mine, Bingham, Utah

    By G. L. Oldright

    DURING 1919, in the face of high cost for labor and supplies and a rapidly dropping copper market, the management of the Ohio Copper Co. of Utah was left with an orebody that had been shown to be very

    Jan 10, 1923

  • AIME
    Mine Taxation in Ontario

    By Hon. Charles McCrea

    MINING taxation is a subject which bears definitely upon-the welfare of the mining indus-try. Every government must have a revenue but that revenue should be raised in such a way as to hamper as littl

    Jan 10, 1923

  • AIME
    Review of the Month (115dfdd8-36ca-476a-aa74-22e1dd40a5d9)

    EUROPE continued to be unsettled, financially, commercially and socially. October opened with Germany in a state of turmoil following the Government's cessation of passive resistance to the Frenc

    Jan 10, 1923

  • AIME
    Principles of Copper Deposits

    By F. E. Calkins

    THE following presentation of the more important accumulated facts and probabilities involved in copper ore deposition is based on my experience in examination work and study of the extensive litera

    Jan 10, 1923

  • AIME
    Review of the Month (ebfec270-5cc4-4472-ae54-a2516aee21fb)

    AN earthquake caused an upheaval in Japan, started fires which destroyed large parts of Tokio, Yokohama and Hakone, and with tidal waves and other consequences extinguished some 68,000 lives and much

    Jan 10, 1923

  • AIME
    Federal Coal Commissions Final Report on Bituminous Coal

    DURING September, the Coal Commission pre- pared for issue a series of 18 reports on varied aspects of- the bituminous coal industry; the final report, dated Sept. 22, sums up the facts and offers

    Jan 10, 1923

  • AIME
    New Oroya Smelter of the Cerro de Pasco Copper Corporation

    By Edward Judd

    THE old Cerro de Pasco smelter at La Fundicion, near Tinahuarea, 9 miles. from the Cerro de Pasco. mines and at an elevation of 14,300 ft., has now been replaced by a thoroughly modern smelting plant

    Jan 10, 1923

  • AIME
    Horace Vaughn Winchell

    H ORACE VAUGHN WINCHELL was born at Galesburg, Michigan, Nov. 1, 1865, and died at Los Angeles, California, on July 28th of this year, at the age of fifty-seven. Mr. Winchell was one of the conspicuo

    Jan 9, 1923

  • AIME
    Flotation of Oxidized Ores

    By Albert Hahn

    ABOUT three years ago John Hays Hammond took over the control of the Eureka Metallurgical Co., at Salt Lake City, Utah. Funds were advanced for investigating the process invented by R. V. Smith, for c

    Jan 9, 1923

  • AIME
    The Coal and Oil Resources of Sakhaline Island

    By Chester Purington

    PROBABLY no battleship of any great power save Japan could long remain in. the Pacific Ocean tinder present conditions, were it to depend for fuel supply on the hitherto developed coal or oil resour

    Jan 9, 1923

  • AIME
    Cause and Growth of Unionism Among the Coal Miners

    By Thos Stroup

    RECENT contributions to the literature relating to the problems of coal mine management have discussed the pros, and cons of unionism among the miners as bearing upon the immediate problems of the ind

    Jan 9, 1923

  • AIME
    The 128th Meeting of the Institute

    The 128th meeting of the American Institute of Mining and Metallurgical Engineers constituted a two weeks trip through the Great Northland of Ontario and Quebec and was a most memorable occasion. The

    Jan 9, 1923

  • AIME
    Notes on the History of Porcupine

    By Louis Huntoon

    HISTORY of the Porcupine area has been pub-lished in detail by the Ontario Bureau. of Mines in several issues of its annual reports. An. interesting volume could be written on: this topic; especially

    Jan 8, 1923

  • AIME
    Notes on the Mining Industry of Canada

    By Edward Judd

    CANADA'S mining industry is rapidly recovering from the depression through which it passed in 1921. Its total output of $183,029,600 in 1922 was 6.4 per cent. greater than that of 1921, and was e

    Jan 8, 1923

  • AIME
    The Kirkland Lake Gold Area, Ontario

    By Percy Hopkins

    KIRKLAND LAKE, the second most important gold area in Ontario, is situated in the north¬eastern part of the Province, 392 miles north of Toronto by railway. It is reached by a five-mile macadam road f

    Jan 8, 1923

  • AIME
    Licensing of Engineers Declared Unconstitutional-in Pennsylvania

    JUDGE Samuel E. Schull, in the Court of Quarter Sessions of Monroe County, Pa., handed down a decision on July 2, declaring the Pennsylvania law for the Licensing of Professional Engineers and Land

    Jan 8, 1923

  • AIME
    An Engineering Statement of Economic Principles

    By W. R. Ingalls

    I WAS led some time ago to draft a statement of economic principles immediately affecting our national welfare from the standpoint of the engineer. It was the intention to offer this to the American E

    Jan 8, 1923

  • AIME
    Review of the Month (bab4dec2-cb67-422d-b16f-5d4a5a70c615)

    THE great event in American affairs was the sudden death of President Harding, on Aug. 2, in San Francisco. A few hours later Vice-Presi¬ dent Coolidge took the oath of office while in his father&a

    Jan 8, 1923

  • AIME
    Robert Woolston Hunt

    ROBERT WOOLSTON HUNT, who joined the Institute in 1874, served twice as its President, was made Honorary member in 1919, in whose honor the Hunt prize and medal were established, and who, within

    Jan 8, 1923

  • AIME
    Developments in the Production of Arsenic at Anaconda

    By E. A. Barnard

    ARSENIC is a very old substance. The ancients speak of it in their writings, and its use has developed very little until recent years. The ancients used it in making pigments, in medicine, and for poi

    Jan 8, 1923