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Established as a Division January 15, 1932 John C Calhoun, Jr, Chairman O Cutler Shepard, Vice-Chairman J R Van Pelt, Jr , Past Chairman Thomas A Read, Secretary-Treasurer Dept of Mining and Metallurgical Engrg University of Illinois Urbana, Illinois

Jan 1, 1956

CARACAS PETROLEUM Established February 24, 1957 Official year begins in January Harry J Sykes, Chairman G J Clarke, Vice-Chairman Robert S Longwell, Vice-Chairman David L Stepanek, Treasurer Robert C Newman, Secretary Texas Petroleum Co Apartado 267 Caracas, Venezuela

Jan 1, 1960

By H. A. Gardner, G. B. Heckel

The principal use of barium sulphate is as an inert paint pigment.

Jan 1, 1915

By William P. Blake

The frequent association of apatite in layers in the midst of magnetic iron-ore is highly significant of a stratified and organic origin of both minerals. Usually the phosphate of lirne is more abundant

Jan 1, 1893

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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, 1939

Jan 1, 1939

BUFFALO J R Atkinson, Chairman (Hamilton, Ont, Canada) H R 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 DETROIT M Groat, Chairman (Ecorse, Mich ) H W Clark, Secretary

Jan 1, 1957

Jan 1, 1899

Established as a Division March 24, 1922 R B Gilmore, '57, Chairman G L Yates, '56, Vice-Chairman Phil J Lehnhard, '56, Vice-Chairman John R McMillan, Past Chairman T A Pollard, Treasurer Joe B Alford, Executive Secretary 800 Fidelity Union Building Dallas 1, Texas

Jan 1, 1955

Jan 1, 1939

By AIME AIME

Jan 1, 1936

[TRANSACTIONS Indexes to Vols. 1-35, 36-55, 56-72, 73-117 (set of 4 Indexes). DIVISIONAL TRABSACTIONS AND SPECIAL EDITIONS Coal Division Volume, 1930, 1931, 1932, 1934, 1936, 1938, 1940, 1942, 1944. Institute of Metals Division Volume, one each year 1927-1945.]

Jan 1, 1946

Jan 1, 1929

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

By J. D. Forrester

Developments of the year make geologist's industrial position even more secure and important-Professional shortage remains acute-

Jan 2, 1953

[OH. O'C. Acker '86 Jinzoc Adachi '88 *Truman H. Aldrich '78 Walter H. Aldridge '89 *Anson W. Allen '87 *John H. Allen '84 *Thomas Andrews '94 *William R. Appleby'90 *W. Lawrence Austin '82 . S. Ayres'73]

Jan 1, 1946

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939