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Mining Methods J. MURRAY RIDDELL, Chairman Guy N. BJORGE, Vice -chairman Alluvial Mining CLINTON BERNARD BENERE H. GRANT H. R. NORSWORTHY

Jan 1, 1937

Executive BENJAMIN B. THAYER, .Chairman. JAMES F. KEMP, CHARLES F. RAND, ALBERT R. LEDOUX, JOSEPH W. RICHARDS, Membership KARL EILERS, Chairman. W. R. INGALLS, JOHN H. JANEWAY, Jr., JOHN D. IRVING, SIDNEY J. JENNINGS. Finance CHARLES F. RAND, Chairman. KARL EILERS. W. L. SAUNDERS.

Jan 1, 1917

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

By W. Rostoker

LAVES and Wallbaum1 and more recently Duwez and Taylor' have reported on the occurrence of a family of intermediate phases having the composition Ti2X, where X may be Cu, Ni, Co, Fe, or Mn.

Jan 1, 1953

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman. Nominations-Pops YEATMAN, chairman.

Jan 8, 1919

The following list contains the names of members of whose deaths notices have been printed in MINING AND METALLURGY during the year ending April 1, 1939. Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns.

Jan 1, 1941

Jan 1, 1934

United Engineering Trustees, Inc. GEORGE D. BARRON WILLIAM H. BASSETT R. M. ROOSEVELT The Engineering Foundation GEORGE D. BARRON H. C. BELLINGER E. DEGOLYER Engineering Societies Library Board ROBERT PEELE PHILIP W. HENRY H. K. MASTERS A. B. PARSONS, Ex-officio R. H. SWEETSER

Jan 1, 1932

Institute of Metals Division PAUL D MERICA, Chairman ZAY JEFFRIES, Vice-chairman W M CORSE. Secretary General Committee ROBERT J ANDERSON H C JENNISON L W SPRING WILLIAM K FRANK DAVID LEVINGER R L SUHL J R FREEMAN, JR. PAUL McKINNEY R F WOOD STANISLAUS SKOWRONSKI

Jan 1, 1923

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872 R W RAYMOND 1873 R W RAYMOND 1874 A L HOLLEN 1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 ECKLEY B COXE 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882

Jan 1, 1910

BUFFALO J R Atkinson, Chairman (Hamilton, Ont, Canada) C E Moyer, Vice-Chairman H A Morlock, Secretary CHICAGO H Erler, Chairman (Gary, Ind ) M E Nickel, Vice-Chairman A M Kroner, Secretary-Treasurer CLEVELAND C W Cravens, Chairman (Cleveland) E J Sobey, Vice-Chairman E Kondas, Secretary Leo Svete, Treasurer

Jan 1, 1958

NORTH AMERICA Number of Members Page States of the United States Alabama 138 376 Arizona 304 376 Arkansas 41 377 California 1,484 378 Colorado 354 383 Connecticut 149 385 Delaware 33 385 District of Columbia 288 386 Florida 57 387 Georgia 21 387 Idaho 130 387 Illinois 565 388 Indiana 153 390 Iowa 11 390

Jan 1, 1952

Samuel Thomas Wellman, of Cleveland, Ohio, prominent in the iron industry on the Great Lakes, died suddenly of heart disease at Kennebago, Me., July 11. He was on his way to the camps of the Megantic Fish and Game Association .of which he was a member, when stricken. He was one of the founders and directors of the Wellman-Seaver-Morgan Co., of Cleveland.

Jan 9, 1919

A. E. HALL, Palmerton, Pa.-I would like to ask the author if he has ever used, in his furnaces, any inner tube which would permit experimentation with various oxidizing gases, under varying conditions?

Jan 4, 1918

By J. B. Rasmussen, M. A. Anderson

Mine maintenance department organization varies widely among companies. The four concentrator maintenance departments shown here illustrate specific practice. In order to indicate the relationship of the maintenance department to operations and to higher-level management, many subordinate functions have been omitted or abbreviated. Where possible, the number of supervisory, technical, and craft personnel are included.

Jan 3, 1978

Jan 1, 1916

CARACAS PETROLEUM Established February 24, 1957 Meets second Tuesday monthly W F Shelton, Chairman Homer N Mead, First Vice-Chairman Jose G Paez, Second Vice-Chairman T A Moore, Treasurer E A Moore, Secretary Cia Shell de Venezuela Apartado 809 Caracas. Venezuela

Jan 1, 1958

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872 R W RAYMOND 1873 R W RAYMOND 1874 A L HOLLEN 1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 ECKLEY B COXE 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882

Jan 1, 1910

Jan 1, 1946