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  • AIME
    Fifteen Years Of Consistent Longwall Production At Bethlehem's Cambria Division, Ebensburg, Pennsylvania

    By Edmund J. Korber, Donald E. Raab, Frank A. Burns

    During the early 1960s, the advent of self- advancing longwall roof supports triggered serious consideration by Bethlehem management to introduce the technique of longwall mining at one of our central

    Jan 1, 1981

  • AIME
    Purchasing Practice for the Mining Operations at Climax - Supplying the Right Material When It Is Needed Is Vital to Smooth Operation

    By L. A. Cowan

    IF the elements of personality be those characteristics in which humans differ, and if this definition be applied to the purchasing department for the Climax operations in Colorado, it must he conclud

    Jan 1, 1946

  • AIME
    A Machine for Drawing Coke from Bee-Hive Ovens

    By George T. Wickes

    (Washington Meeting, May, 1905.) SEVERAL years ago, Mr. Robert A. Cook described and illustrated in our Transactions 1 a mechanical coke-drawer, patented in 1891 by Mr. Thomas Smith of the Thorncliff

    Jul 1, 1905

  • AIME
    Preconcentration Of Native Copper And Porphyry Copper Ores By Electronic Sorting

    By R. W. Nash, A. E. Schwaneke, V. R. Miller

    The Bureau of Mines developed a detector for controlling sorting devices to separate the copper-bearing fragments from the barren portion of Michigan native copper and western prophyry copper ores. A

    Jan 8, 1978

  • AIME
    Needed Improvements in Rotary-Drilling Equipment

    By J. E. Brantly

    THE oil-producing industry may logically be 'divided into four independent branches: (1) Acquisition of possible productive lands by lease, fee purchase, concession, or otherwise and the perfecti

    Jan 1, 1937

  • AIME
    Economics of the Petroleum Industry

    By AIME AIME

    THE petroleum economics session," held on Wednesday morning, Feb. 20, 1929, presided over by Campbell Osborn, chairman, proved to be of un- usual interest and resulted in serious and constructive disc

    Jan 1, 1929

  • AIME
    11. The Birmingham Red-Ore District, Alabama

    By Thomas A. Simpson, Tunstall R. Gray

    The Birmingham district first produced steel from Alabama hematite ores in 1899. Since then, the district generally produced more than 6.0 million gross tons of ore a year to the late 1950's. Producti

    Jan 1, 1968

  • AIME
    Some Properties of Fuller's Earth and Acid-treated Earths as Oil-refining Adsorbents

    By C. W. Davis

    THE name fuller's earth, which was derived from its early use in "fulling" or removing grease from woolen goods, is a term that is generally considered to designate mineral matter, containing hyd

    Jan 1, 1929

  • AIME
    Effect Of Humidity On Mine-Explosions.

    By Carl Scholz

    DURING November And December, 1907, Four Serious Mine-explosions Occurred In The Appalachian Coal-Field, Which Resulted In The Loss Of Nearly A Thousand Lives And Caused An Enormous . Damage To Proper

    Jan 7, 1908

  • AIME
    Some Comparative Properties of Tough Pitch and Phosphorized Copper (56e4885e-4963-4d51-8581-9b21d382d457)

    By Webster, Wm. Reuben

    THE greatly enlarged demand for small sizes of seamless copper tube which has recently occurred, due particularly to the rapid growth of the electric household-refrigerator industry, has emphasized th

    Jan 1, 1927

  • AIME
    Tomorrow's Mining, Its Methods and Tools

    By Augustus Locke

    THE technical sessions at the Regional Meeting of the A.I.M.E. in San Francisco are to be de- voted LO changes, current or predictable, which may be expected to alter today's practices in mining

    Jan 1, 1939

  • AIME
    Ponca City Oil Meeting an Outstanding Success

    By Edward H. Robie

    PONCA CITY proved an ideal selection as a place of meeting for the Petroleum Division this fall. The accommodations at the Conoco Club were just what was required for such a gathering; the committee h

    Jan 1, 1932

  • AIME
    Gold Mining in the Mojave District, California

    By W. B. Tucker

    UNUSUAL interest has recently centered in the Mojave mining district of California, owing to new discoveries of gold ore at the Silver Queen mine, and subsequently at other neighboring proper- ties. T

    Jan 1, 1936

  • AIME
    The Coal Mining Industry - Bituminous Output Gains - More Mechanization and Cleaning - Better Planning

    By Eugene McAuliffe

    AS this is written, the probability A is that the bituminous coal out- put for 1936 will approximate 420,000,000 tons (of 2000 lb.) with an average working time for all mines of 205 days. The results

    Jan 1, 1937

  • AIME
    Longwall Subsidence Over The Pittsburgh No. 8 Coal On North American Coal Corporation's Eastern Ohio Properties

    By Michael S. Roscoe

    In order to more accurately predict longwall surface subsidence over the Pittsburgh No. 8 Coal in Eastern Ohio, North American Coal Corporation's Quarto Mining Company undertook or participated in

  • AIME
    Surface Mining - Stripping Pitching Beds in Pennsylvania's Anthracite Region (With Discussion) (Vol. 157, Coal Division)

    By O. W. Shimer, D. C. Helms, C. E. Brown

    The early history and progress of anthracite stripping, from the first known operation at Summit Hill in 1821 through 1917, was covered in 1917 in a paper by J. B. Warriner,1 then chief engineer, now

    Jan 1, 1946

  • AIME
    Papers - Mining - Stripping Pitching Beds in Pennsylvania's Anthracite Region (T. P. 1601 with discussion)

    By O. W. Shimer, D. C. Helms, C. E. Brown

    The early history and progress of anthracite stripping, from the first known operation at Summit Hill in 1821 through 1917, was covered in 1917 in a paper by J. B. Warriner,1 then chief engineer, now

    Jan 1, 1944

  • AIME
    Oil And Gas Developments in West Texas during 1945

    By GORDON H. FISHER

    During the year 1945, the drilling pace in West Texas increased above that in the year 1944, and represented the highest number of well completions since 2941. The 1680 new wells drilled 8,287,958 ft.

    Jan 1, 1946

  • AIME
    Zinc Ore Reduction

    By Arthur A. Center

    WAR demand- motivated developments in the zinc industry during 1942. Stocks of Prime Western were built up and High-Grade remained tight. The Prince The Prime Western stocks are expected to be cut do

    Jan 1, 1943

  • AIME
    San Francisco Paper - Manufacture and Tests of Silica Brick for the Byproduct Coke Oven (with Discussion)

    By Kenneth Seaver

    It is rather gratifying that in the field of the manufacture of refractories, in which, as a whole, foreign practice has surpassed us, the United States stands pre-eminent in the making of silica bric

    Jan 1, 1916