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WHERE "MINING AND METALLURGY" OR THE TRANSACTIONS MAY BE CONSULTED For the convenience of members who may be traveling from place to place, the Secretary has compiled a list of libraries or other places in the United States and foreign countries where MINING AND METALLURGY or the Transactions may be con¬sulted This list will be sent to members if they so request.

Jan 1, 1923

PRESIDENT BENJAMIN B. THAYER,1 NEW YORK, N. Y. PAST PRESIDENTS JAMES F. KEMP,1 NEW YORK, N. Y. CHARLES F. RAND,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS,1 NEW YORK, N. Y. TREASURER GEORGE C: STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 1, 1915

For the year ending February, 1916 PRESIDENT WILLIAM L. SAUNDERS,1 NEW YORK, N. Y. PAST PRESIDENTS CHARLES F. RAND,1 NEW YORK, N. Y. BENJAMIN B. THAYER,3 NEW YORK, N. Y. FIRST VICE-PRESIDENT PHILIP N. MOORE,1 ST. Louis, Mo. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS , ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N.Y.

Jan 12, 1915

[Alphabetic Section (Page 729): The letter following the member's name indicates grade: M-Member, A-Associate, J-Junior. The numerals following member's grade indicate year of election. The letter following year of election indicates primary Divisional affiliation: A-Mining & Exploration F-Coal B-Minerals Beneficiation G-Petroleum C-Iron and Steel H-Industrial Minerals D-Extractive Metallurgy J-Council o f Education E-Institute o f Metals K-Council o f Economics]

Jan 1, 1961

[Executive J. V. W, REYNDERS, Chairman SYDNEY IL BALL E, DEGOLYER WILLIAM H. BASSETT SAMUEL A. TAYLOR Finance GEORGE D, BARRON, Chairman H. A, GUESS GEORGE OTIS SMITH Membership J. DI, CALLOW, Chairman GEORGE D, BARRON WILBER JUDSON JOHN A. CHURCH, JR. H, N. SPICER Alternates LEWIS W. FRANCIS LOUIS D, HUNTOON F, T. RUBIDGE]

Jan 1, 1928

By David T. Day

In 1897 I published a proposed explanation for the variation in color and specific gravity of Pennsylvania oils. A resume of this subject mas also presented at the First International Petroleum Congress, in Paris, in 1900. Since that time

Jan 1, 1911

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872-1874 A L HOLLEY1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 - 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882 RICHARD W HUNT 1883

Jan 1, 1917

Edward Leonce Dufourcq, mining engineer, President of Dufourcq & Co., Inc., New York, and Assistant General Manager of the Teziutlan Copper Co., New York, was attacked by bandits and mortally wounded on Wednesday, Apr. 16, while trying out a' gasoline motor car on a line of railroad between Teziutlan and the company's mine, twelve miles away. Word of his death was received Friday by Mrs. Effie Mason Dufourcq of 227 Riverside Drive and by D. C. Brown, Vice-president of the Teziutlan Copper Co.

Jan 5, 1919

By Clement K. Chase, F. Milton Lewis, Roshan B. Bhappu

In this paper an attempt has been made to review the cost trends in producing copper by conventional milling, smelting and hydrometallurgical means during the last five years. The primary objectives of this cost analysis are to provide a base for future projections as well as to indicate which cost items are more volatile in their influence on overall cost of producing copper.

Jan 1, 1979

(Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, also Assoc. Mem. Am. Soc. of C. E.; excellent technical education, and best of references covering 12 years in responsible charge of work; experienced in surveys, construction, prospecting, mine

Jan 12, 1917

By C. M. Haight

SEVERAL years ago the frequent breaking of wheels on the 66-cu. ft. cars used with the underground electric haulage suggested that the numerous frogs in the track might be a contributing cause toward this breakage. As a remedy a spring frog was thought of, but the 30-lb. rails used were too small for such a de-vice to be made, that would stand the work. In a book on mine tracks a sketch of a pivoted central switch point suggested a pivoted rail to replace the frog,

Jan 1, 1927

United Engineering Society WALTER H ALDRIDGE J VIPOND DAVIES I V N DORR Engineering Societies Library Board SYDNEY H BALL ALEXANDER C HUMPHREYS GEORGE C SLONE JOHN H JANEWVAY Engineering Foundation Board H M BOYLSTON J VIPOND DAVIES GALEN H CLEVENGER Society for Promotion of Engineering Education WILLIAM KELLY ALLEN B ROGERS American Engineering Standards Committee GRAHAM BRIGHT GEORGE C STONE GEORGE E THACKRAY Alternates-RICHARD L LLOYD and HARLOWE HARDINGE

Jan 1, 1923

By P. Dosmond

In ore mining technology, the loading and hauling operations are undoubtedly the area where the most spectacular progress has been made during the last twenty years. In the iron ore mines of Eastern France production of 62 million tons for 1962 and 19863 constitute a worthwhile experience worldwide. These deposits which are located in Lorraine are of sedimentary origin and they contain many mineralized horizons with workable seams varying in depth from 330 to 830 ft.

Jan 1, 1970

Jan 1, 1939

By Sumner M. Anderson

Anderson: Will, I have known you for only the past 30 years of your extraordinary mining career, and have often wondered just how it got started. Wright: I suppose you might say it was largely a matter of heritage. My father, who in 1886 was one of the founders of the Michigan College of Mines, was Michigan State Geologist until his un- timely death in 1888.

Jan 8, 1968

By D. D. Todd, W. A. Oates

THERMODYNAMIC data for solutions are best derived from a combination of equilibrium and calorimetric studies. However, the accurate measurement of heats of mixing of metallic solutions at high temperatures presents considerable experimental difficulties, simple calorimeters1-3 giving

Jan 1, 1964

Between July 10 and August 15, 1918, the Secretary of United Engineering Society, of Engineering Foundation, and of Engineering Council visited 17 cities which are headquarters for large numbers of engineers. His mission was to tell men in all branches of the profession about "Centralized Activities of National Engineering Societies." Stops were made at Denver, Salt Lake City, Reno, San Francisco, Sacramento, Portland, Seattle, Spokane, Anaconda, Butte, Duluth,

Jan 10, 1918

SECTION I PAGE PAGE Bulletins Wanted v Local Section News xv St. Louis Meeting v Affiliated Student Society Notes.. xviii National Engineering Societies in California's Mineral Resources National Service..: vii ? for War Purposes xix Members in Officers Reserve Corps xi Forthcoming Meetings xx Resolution by Military Engineering ? Library xxi Committee xi Membership. :: xxiv Personal :.. xii Biographical Notice of David H. Employment xiv Browne xliv Alaska Mining and Engineering Institute Committees xlvii Society xv Officers and Directors liv

Jan 6, 1917

E. O'C. Acker '86 Truman H. Aldrich '78 Anson W. Allen '87 John H. Allen '84 W. Lawrence. Austin '82 W. S. Ayres '73 David Baker '86 John Henry Banks '83 Wm. de L. Benedict '83 Robert Bentley '84 Andrew A. Blair '75 Walter M. Brudie '72 Frederick Burbidge '87 H. H. Burden '83 Charles Butters '83 R. C. Canby '82 Arthur C. Carson '84

Jan 1, 1938