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Truman H. Aldrich '78 W. S. Ayres '73 Andrew A. Blair '75 Walter M. Brodie '72 H. M. Chance '74 Fred'k G Corning '77 Ralph Crocker '81 A. W. Crookston '80 George M. Davidson '81 W. B. Devereaux '80 H. S. Drinker Founder William E. C. Eustis '76 B. F. Fackenthal, Jr. '80 John Hays Hammond '81 Edward Hart '81 A. Heckscher '79 Henry D. Hibbard '79 Francis C. Holman '81 Julian Kennedy '79 William,St. George Kent '72 Frank Klepetko '80 Wheaton B. Kunhardt '80 Daniel J. Leary '81 Frank Lyman '77 John Markle '79 Samuel Mather '79

Jan 1, 1923

By Eugene Guccione

After discovering that past materials shortages were caused by government policy, the National Commission on Supplies and Shortages wants to prevent future shortages by increasing government's role in planning the economy.

Jan 4, 1977

By R. K. Bowden

In an effort to gain a better understanding of shale joint behaviour, normal-only and shear creep tests were performed on artificially prepared shale joints. Pre- and post-test surfaces were examined for changes in morphology. This paper discusses both of these programs and the results derived from them.

Jan 1, 1984

By W. P. Blake

Among the many interesting objects to be seen at the Vienna Exhibition last summer, the model of the system of underground transportation by a continually moving chain, adopted at the Hasard collieries, at Micheroux, near Liége, Belgium, was one of the most attractive, and full of valuable suggestion to mining engineers. These collieries are under the superintendence of the celebrated

Discovery of a hitherto unsuspected extension of the Vermilion range iron formation in Northern St. Louis County, Minn., has been announced by the director of the State's geological survey, Dr. George M. Schwartz. USGS aeromagnetic maps show that the Vermilion range curves southeast from the Tower-Soudan area into the wilderness between Embarrass and Bear Head Lake. Dr. Schwartz believes that this new information justifies considerable exploration and drilling for iron ore in an area of about 20 sq miles southeast of Soudan. The aerial maps were a result of a three year USGS-Minnesota Geological Survey aerial search for iron formations in a 30,000 sq mile area in northern Minnesota.

Jan 12, 1950

By D. H. Davis

Coal operators have been justified in spending most of their efforts and capital expenditures on improvements in productivity at the working face, on better transportation facilities, and on surface plants for improvement of the product by means of modern cleaning and drying equipment. Although the above subjects will continue to receive close study for further technological advances, there are other operations involved in the production of coal, which can be improved by the application of ingenuity and modern equipment.

Jan 3, 1961

Jan 1, 1906

ENGINEERS AVAILABLE, (Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members) Member, aged 33, technical graduate, B. S. and E. M., soon to complete contract in Spanish America, desires to get in touch with employers. Ten years mine, mill, cyanide and construction experience. Prefers executive position or assistant to executive. No. 352. Member; University graduate, desires responsible position with good company. Married.' Age; 37. Fourteen years' experience in Australia, Mexico and United States, milling, cyaniding and concentrating, gravity

Jan 5, 1917

PRESIDENT AND DIRECTOR JOHN M. LOVEJOY NEW YORK, N. Y. PAST PRESIDENTS AND DIRECTORS HOWARD N. EAVENSON PITTSBURGH, PA. HENRY A. BUEHLER ROLLA, Mo. VICE-PRESIDENT, TREASURER AND DIRECTOR KARL EILERS NEW YORK, N. Y. VICE-PRESIDENTS AND DIRECTORS LOUIS S. CATES NEW YORK, N. Y. PAUL D. MERICA NEW YORK, N. Y. WILFRED SYKES CHICAGO, ILL. R. C. ALLEN CLEVELAND; OHIO HENRY KRUMB NEW YORK, N. Y.

Jan 1, 1936

By J. D. Jones

Unique aspects of tailing pond design aid reclamation facilities for three separate projects are described.

Jan 1, 1978

ARIZONA Established July 10, 1915 ROBERT W. THOMAS. Chairman ROBERT W. HUGHES, Vice-Chairman HUBERT O. WOODS. Secretary-Treasurer American Smelting & Refining CO., Hayden, Ariz. FRANK A. WARDLAW, JR., National Director THEODORE BROOKS I H. C. HENBIE THOMAS C. CHAPMAN P. D. I. HONEYMAN CARL H. COLE JOHN E. LANNING JOHN H. DAVIS ALBERT MENDELSOHN EDWARD G. DENTZER BRENT N. RICKARD MORRIS G. FOWLER F. A. WARDLAW, JR.

Jan 1, 1942

By Emil Schroedter

The death, on May 6,1908, of Dr. Hermarnn Wedding, Privy Mining Councilor of the Kingdom of Prussia, and Professor of the Metallurgy of Iron and Steel at the Royal Mining Academy of Berlin, was a loss keenly felt by the whole metallurgical world. Not alone in his native land, but also in foreign countries, did he enjoy an esteem of which the title of honorary membership in the American Institute of Mining Engineers, the United States Association of Charcoal Iron-Workers, and the (British) Iron and Steel Institute bears eloquent testimony.

Jan 1, 1910

By L. Ormsby, H. Lines

Drilling and blasting practices in the Morenci open pit have undergone considerable modification in recent years. Changes in the character of the ground being mined, modifications of working conditions, and continuous perimentation have been the contributing factors.

Jan 5, 1950

By John D. Nelson

Jan 1, 1985

Jan 1, 1952

1944 WALTER HULL ALDRIDGE New York, N Y 1946 PETER M ANDERSON Johannesburg, South Africa 1946 CHARLES CAMSELL Ottawa, Ont, Canada 1946 CHARLES AUGUSTUS CARLOW Fife, Scotland 1946 CECIL H DESCH London, England 1946 WILLIAM FRASER London, England 1917 HERBERT HOOVER New York, N Y 1941 DANIEL COWAN JACKLING San Francisco, Calif 1939 HENRY KRUMB New York, N Y 1942 ESSINGTON LEWIS - Melbourne, Vic , Australia 1921 C MCDERMID London, England 1944 WALTER C MENDENHALL Washington, D C 1942 PAUL DYER MERICA New York, N Y 1913 EZEQUIEL ORDONEZ Mexico City, Mexico 1938 A M PORTEVIN Paris, France 1937 GEORGE S RICE Washington, D C 1934 T A RICKARD Victoria, B C, Canada 1946 JOHN R SUMAN Houston, Texas 1946 WONG WEN-HAO Chungking, China

Jan 1, 1952

E. H. Dix, JR., Chairman L. W. M. PEIRCE, Past-chairman R. F. MEHL, Vice-chairman ALBERT J. PHILLIPS, Vice-chairman E. M. WISE, Secretary International Nickel Co., Bayonne, N. J. W. M. CORSE, Treasurer LOUIS JORDAN, Executive Secretary 29 West 39th St., New York, N. Y. Executive Committee W. H. BASSETT, JR. R. H. LEACH' W. H. FINKELDEY W. E. REMMERS2 J. A. GANN H. J. ROAST G. O. HIERS C. S. SMITHS L ZICKRICK

Jan 1, 1936

By C. Kremer Bain

To keep shovels working to capacity in the smaller and more scattered ore bodies necessitated the development of a mobile jumbo drill rig, utilizing the V-cut round drilled to a template. The paper shows the steps taken, and the difficulties encountered in accomplishing an increase of 38 pct in tons per drill shift over the method previously used, with probability of more efficient operation to come.

Jan 2, 1950

COMMITTEES Committee on Arrangements DAVID H. BROWNE, Chairman BRADLEY STOUGHTON, Vice-Chairman LAWRENCE ADDICKS BURR A. ROBINSON PERCY E. BARBOUR E. MALTBY SHIPP GEORGE D. BARRON JOSEPH STRUTHERS J. V. N.. DORR E. B. STURGIS J. R.. FINLAY T. T. READ Louis D. HUNTOON R. H. VAIL

Jan 4, 1916

By John Ziats

This chapter covers the drawing requirements for the design of a comminution plant.

Jan 1, 1982