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United Engineering Trustees, Inc James L Head, '50 E C Meagher, '52 Gail F Moulton, '53 The Engineering Foundation E R Kaiser, '54 W M Peirne, '52 E C Meagher, ex officio as Pres , LET Engineering Societies Library Board James Douglas, '52 Frank T Sisno, '50 American Standards Association Mining Standardization Correlating Committee Otto Herres, '51 H H Otto, '51 B F Tillson, '50

Jan 1, 1952

Jan 1, 1928

Jan 1, 1890

Jan 1, 1892

New Products Equipment

Jan 3, 1953

[E. O'C. Acker '86 Jinzoc Adachi ‘88 *Truman H. Aldrich '78 Walter H. Aldridge '89 Anson W. Allen ‘87 *John H. Allen '84 William R. Appleby '90 *W. Lawrence Austin '82 *W. SAyres ‘73 David Baker '86 *John Henry Banks .83 Henry C.Banon '90 Alonzo F.. Bardwell '89 Walter A. Barrows ‘90]

Jan 1, 1940

The following list contains the names of members whose death notices have been printed in MINING AND MDTALLURY from April 5. 1944 through March 15. 1945, Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns. [ ]

Jan 1, 1946

Illinois Mining Institute, 224 South Michigan Ave , Chicago, Ill. B. E Schonthal, Secretary. In 1929, 1930 and 1931, the Institute published the Proceedings of its meetings The volumes of the Proceedings are a record of the papers and discussions presented at the two meetings each year and deal with coal mining in Illinois. The Proceedings will be sent to those particularly interested on receipt of sufficient postage to cover mailing

Jan 1, 1933

Jan 1, 1934

Jan 1, 1914

The preparation of the General Index, covering volumes of the TRANSACTIONS from XXXVI to LV, inclusive, which has been in preparation for some time, has been delayed on account of pressure of Government work at our printers. The composition of the Index will probably be, finished by the end of this year, which means that the volume will be ready for distribution about the end of February, 1918.

Jan 1, 1918

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, 1940. Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns. [ ]

Jan 1, 1940

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Jan 1, 1938

Recently the Colorado Engineering Council was formed "to coördinate the work of various technical, scientific, and engineering organizations, promote the welfare and professional standing of their members, and foster a more general recognition of the engineer in civic matters." The membership consists of local associations of members of the national engineering societies and other local engineering, scientific, or technical associations.

Jan 8, 1919

[MINING AND EXPLORATION DIVISION Established as Mining, Geology and Geophysics Division, Sept. 27, 1949 Name changed February 19, 1958. Lyman H. Hart, Chairman Robert J. Lacy, Assistant Chairman Vice Chairmen: John C. Wangaard, Membership J. M. Ehrhorn, Program John G. Hall, Publications C. E. Nelson, Secretary American, Smelting and Refining Co. 120 Broadway New York 5, New York Editor, Rock-in-the-Box: J. W. Chandler.]

Jan 1, 1961

Depending on viewpoint, slurry pipelines are a necessary part of coal expansion in the West, or an opportunistic venture that could cripple many American railroads.

Jan 10, 1977

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Jan 1, 1938

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, 1942

By Joshua Pelleg, G. M. Lindberg

THERE are three reported investigations of self-diffusion in niobium. Lundy et al.1 found their self-diffusion data well represented by the equation

Jan 1, 1970

MINERALS BENEFICIATION DIVISION Established as a Division February 16, 1948 E. H. Crabtree, Jr, Chairman Donald W. Scott, Associate Chairman S D. Michaelson, Regional Vice-Chairman Will Mitchell, Jr., Regional Vice-Chairman William B Stephenson, Secretary-Treasurer Allen-Sherman-Hoff Pump Co 259 Lancaster Avenue Wynnewood, Pa. Raymond E. Byler, Past Chairman

Jan 1, 1952