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Jan 1, 1938

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

Jan 1, 1944

By John V. Beall

WHEN asked a few weeks ago if we wished to visit the Coors plant at Golden, Colo., we agreed with alacrity being well acquainted with the high quality of Coors beer and having heard that the company was most liberal about sampling privileges. Instead of a brewery, we found ourselves in a pottery, the Coors Porcelain Co., owned and operated by the firm of beer fame. Our apparent disappointment was dispelled as the wonders of the porcelain products were unfolded.

Jan 2, 1953

Jan 1, 1953

[Allen-Sherman-Hoff Pump Co. Third Cover Dee Carton Brown. Advertising Allis-Chalmers Mfg. Co. 533,540 Compton Advertising, Inc. American Cyanamid Co. * James J. McMahon. Inc. American Manganese Steel Div., American Brake Shoe Co. 548, 548,549 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. * Kenyon & Eckhardt Inc. Carlon Products Corp. 528 Penn and Hamaker, Inc. Chicago Pneumatic Tool Co. 558 G. M. Basford Co. Colorado Fuel & Iron Corp. * Doyle, Kitchen & McCormick, Inc.]

Jan 1, 1952

University of Alabama University, Alabama Mining and Metallurgical Society WILLIAM S. SPRINGER, President ROBERT E. MEAD, Secretary J. R. CUDWORTH, Faculty Sponsor MILTON H. FIES, Counselor University of Arizona Tucson, Arizona Miners' Society PERCY E. COE, President W. JAMES THOMAS, Secretary E. P. MATHEWSON, Faculty Sponsor B. R. HATCHER, Counselor

Jan 1, 1937

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

United Engineering Society J VIPOND DAVIES,-President WILLIAM L SAUNDERS ALFRED D FLINN Secretary GEORGE H PEGRAM, 2d Vice-president JOSEPH STRUIHERS, Treasurer HENRY A LARDNER Assistant treasurer Finance Committee House Committee WILLIAM L SAUNDERS, Chairman ALFRED D FLINN, Chairman GEORGE H PEGRAMO FREDERICK F SHARPLESS ARTHUR S DWIGHT JOHN H DUNLAP BANCROFT GHERARDI CALVIN W RICE I VIPOND DAVIES, ex-officio F L HUTCHINSON

Jan 1, 1923

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 consulted. This list will be. sent to members if they so request. LIST OF THE MEETINGS OF THE INSTITUTE AND THEIR LOCALITIES FROM ITS ORGANIZATION TO MARCH, 1920

Jan 1, 1925

In preparation for the 118th meeting, New York, Feb. 17 to 20, 1919, the following committees have been appointed: Committee on Arrangements ALLEN H. ROGERS, Chairman. W. S. DICKSON, Secretary. J. E. JOHNSON, JR. F. T. RUBIDGE. H. C. PARMELEE. FOREST RUTHERFORD., P. G. SPILSBURY. Committee on Annual Dinner Committee on Luncheon F. T. RUBIDGE FOREST RUTHERFORD, Chairman. E. B. STURGIS. E. MALTBY SHIPP. Committee on Patriotic Meeting H. C. PARMELEE, Chairman

Jan 9, 1918

Constraints in the location, process selection, and operation of the modern zinc refinery brought about by the heightened environmental awareness of the public were explained by Sanjoy Shome, project engineer for Kaiser Engineers Inc.

Jan 11, 1977

By Harold N. Underhill

Larger equipment, more attention to maintenance, new types of bits, radio communication, and advances in jet piercing highlight an active year.

Jan 3, 1951

AT the session on mine ventilation on Oct. 8, 1926, held in connection with the. autumn Institute meeting at Pittsburgh, there was considerable dis-cussion of the use of auxiliary fans in coal-mine ven-tilation, and before adjourning the following resolu-tion was passed: "Resolved, that we, as a Committee, in consideration of the increasing and widespread use of auxiliary fans iii coal mines deplore the fact that they are often used without adequate knowledge of their limitations and dangers."

Jan 2, 1927

By Eugene J. Schreiber, F. Newton Parks

Booz-Allen & Hamilton management consultants has recently completed a comprehensive study of Brazil's minerals and metals sectors for 40 leading international and Brazilian companies. The 220-page study describes the activities and Investments under way in 25 key commodities and assesses the current state of Brazil's economy, the impact on domestic minerals and metals industries, and government minerals policies.

Jan 12, 1977

Jan 1, 1940

By B. Das, V. Hucka

Two different types of filtration methods for in-situ gasification of coal are described. The different factors, i.e., geological, technological, and others, which affect in-situ gasification are given. The layout and operation of filtration methods of in-situ gasification are described in detail. The results of a case history are described.

Jan 1, 1977

By H. M. Zoerb

Based on the belief that operating details are a definite contributing factor to major economies, this paper traces the development of crushing cavity design in Symons cone crushers to attain maximum liner utilization. Wear rates are analyzed and compared in this presentation and drawings illustrate succeeding design changes.

Jan 6, 1953

By C. Bohdanowicz

The most important decline in drilling activities during the past three years was in the Boryslaw-Tustanowice-Mraznica fields and at Bitkow in Eastern Poland. A small drilling increase in some fields of the Jaslo and Drohobycz districts, notably Wankowa, Ropienka and Rypne, cannot compensate in new production for the decline in the large fields.

Jan 1, 1934