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OFFICERS AND DIRECTORS President and Director AUGUSTUS B KINZEL, '60, New York City Past President and Director GROVER J HOLT, '59, Ishpeming, Michigan President-elect and Director HOWARD C PYLE, '61, Los Angeles, Calif

Jan 1, 1958

OFFICERS AND DIRECTORS President and Director HOWARD C PYLE, '61, Los Angeles, Calif Past President and Director AUGUSTUS B KINZEL, '60, New York City President-elect and Director JOSEPH L GILLSON, '62, Wilmington, Del

Jan 1, 1959

MINING ASSOCIATION OF UNIVERSITY OF CALIFORNIA At a meeting of the Mining Association of the University of California, held May 22, .the .following officers were elected for the fall, semester: President, Sam Grinsfelder; vice-president, Marcus. Peterson; secretary, Ferdinand Trescher; treasurer, Carlton Hulin. F. G. TRESCHER, Secretary.

Jan 8, 1919

By E. K. Landis

IK connection with the interesting paper of Mr. Glenn on "Sampling Ores Without Use of Machinery " (page 156 of the present volume), I venture to offer the results of ten years' experience in the sampling of iron-ore by a method adopted when I first became

Jan 1, 1892

By I. W. Farmer

Case histories are introduced to illustrate how an understanding of the mechanics of deformation of mine structures associated with longwall layouts can be used to improve stability. Particular examples include: (a) deformations associated with longwall caving, (b) the effect of support pressure on roof deformation above a longwall face, (c) the effect of pack design on longwall access road closure, (d) the effect of rock deformation characteristics on floor heave.

Jan 1, 1982

Merritt: Karl, you are a native New Englander, having been born in St. Albans, Vermont, in 1885. How did you decide on becoming a mining engineer? Twitchell: While I was attending St. Albans High School, my uncle, who had been the American Consul in Kingston, Ontario, for many years, told me of the excellent mining school there. He also introduced me to a Canadian mining engineer who sparked my interest in mining by noting the possibility of achieving personal success without always being under salary. Well, that appealed to me, so I applied to the Kingston School of Mines at Queen's University.

Jan 9, 1965

Herbert A. MegRaw, San Luis de la Paz, Guanajuato, Mexico (communication to the Secretary *):—I am in entire accord with the basis of Mr. Lamb's argument, that the stamp

Jan 1, 1911

By R. W. Heckel

It has been shown previously that the effect of applied pressure on the density of a metal powder may be expressed by a relationship of the form:

Jan 1, 1962

By J. Taffanel

I am very much impressed by this manifestation of international brotherhood; the mining engineers on both sides of the ocean have similar subjects to deal with, meet with the same difficulties, expose themselves sometimes to similar dangers…

Jan 1, 1915

NEW MEMBERS The following list comprises the names of those persons who became members during the period Feb. 10 to Mar. 10, 1915: Members BANKS, HAROLD PURDY, Min. Engr 61 Broadway, New York, N. Y. BARAGWANATH, JOHN G., Min. Engr., Morococha Mining Co.; Morococha, Peru. BEESON, JOSEPH JOSIAH, Min. Geol Stanford University, Cal. CALLOWAY, ALFRED W Pres., Davis Coal & Coke Co., Cumberland, Md. DEETRICK, JAMES W., Mgr., Republic Iron & Steel Co., 826 Pennsylvania Ave., Youngstown Ohio.

Jan 4, 1915

NEW MEMBERS The following list comprises the names of those persons who became members during the period Mar. 1 to 15, 1914: Members ADAMS, JOHN H., Cons. Engr First National Bank Bldg., Birmingham, Ala. ALEXANDER, WILLIAM H., Miner 80 Maiden Lane, New York, N. Y. AUSTIN, EDGAR TAYLOR, Asst. Smelter Supt., Mond Nickel Co., Ltd., Coniston, Ont., Can. BAKER, DANIEL, JR., Asst. Treas., Standard Lime & Stone Co. 524 Equitable Bldg., Baltimore, Md. BALL, MAX WAITE, Geologist U. S. Geological Survey, Washington, D. C. BARREN, HARRY B., Supt. Blast Furnaces, Inland Steel Co., Indiana Harbor, Ind. BAUMANN, HENRY N., JR., Amalgamator 365 Lynn St., Seattle, Wash. BLACK,, THOMAS B., Min. Engr Care Vulture Mines Co., Wickenburg, Ariz. BRADT, HARLAN H 429 West 111th_ St, New York, N. Y.

Jan 4, 1914

The only real data available begin in 1873. The total figures are all estimated from these. [ ]

Jan 1, 1942

By T. Egleston

SOME months ago samples of black oxide of copper and of pig copper from Colorado were sent to me to examine for arsenic and

Jan 1, 1882

Society of Economic Geologists, 65 East 56th St., Princeton, N. J. Edward Sampson, Secretary. Publications of the Society constitute a part of "Economic Geology," a semiquarterly journal published by: The Economic Geology Publishing Co., W. S. Bayley, Business Editor, University of Illinois, Urbana, Ill.

Jan 1, 1933

PRESIDENT OF THE COUNCIL. D. W. BRUNTON DENVER, COLO. (Term expires February, 1911.) VICE-PRESIDENTS OF THE COUNCIL. W. C. RALSTON SAN FRANCISCO, CAL. W. L. SAUNDERS NEW YORK, N. Y. H. V. WINCHELL ST. PAUL, MINN.¬ (Term expires February, 1911.) BENJAMIN B. LAWRENCE NEW YORK, N. Y. JOSEPH W. RICHARDS SOUTH BETHLEHEM, PA. ALBERT SAUVEUR CAMBRIDGE, MASS. (Term expires February, 1912.)

Jan 1, 1917

Council PRESIDENT OF THE COUNCIL. JOHN HAYS HAMMOND NEW YORK, N. Y. (Term expires February, 1908 ) VICE-PRESIDENTS OF THE COUNCIL. HENRY M. HOWE NEW YORK, N. Y. J. B. GRANT DENVER, COLO. JAMES D. HAGUE NEW YORK, N. Y. (Term expires February, 1908.) SAMUEL B. CHRISTY BERKELEY, CAL. JOHN A. CHURCH NEW YORK, N. Y. PERSIFOR FRAZER PHILADELPHIA, PA. (Term expires February, 1909 )

Jan 1, 1910

JAMES GAYLEY (President), R W RAYMOND (Secretary), FRANK LYMAN Treasurer) T A RICKARD NEW YORK, N Y CHARLES H SNOW NEW YORK, N Y R W RAYMOND NEW YORK, N Y (Terms expire February, 1906 ) JAMES GAYLEY NEW YORK, N Y FRANK KLEPETKO NEW YORK, N Y FRANK LYMAN NEW YORK, N Y (Terms expire February, 1907 ) JAMES DOUGLAS NEW YORK, N Y JAMES F KEMP NEW YORK, N Y ALBERT R LEDOUX NEW YORK, N Y (Terms expire February, 1908 ) Council PRESIDENT OF THE COUNCIL JAMES GAYLEY VICE-PRESIDENTS OF THE COUNCIL GEORGE W MAYNARD NEW YORK, N Y JULIAN KENNEDY PITTSBURG, PA CHARLES D WALCOTT WASHINGTON, D C (Terms expire February, 1906 ) WILLIAM P BLAKE TUCSON, ARIZ THOMAS F COLE ,DULUIH, MIFF IRVING A STEARNS WILKES-BARRE, PA (terms expire February, 1907 )

Jan 1, 1910

By Bailey, Lewis Newton

Bailey, Lewis Newton, Master Engineer, Senior Grade, 4th Regiment, U. S. Engineers, Headquarters Company, died of pneumonia at Camp Merritt, N. J., on Apr. 30, 1918. Baird, Louis, Lieut., Royal Field Artillery, British Army, died on the battlefield in 1915. Ballamy, John H., Capt., 103d Engineers, killed in action near Fismes, Aug. 9, 1918. Bowles, Martin F., 2d Lieut., Co. B, 355th Infantry, killed in action, Sept. 3, 1918. Burt, Andrew, died in active service, 1916. Cobeldick, William Morley, Royal Engineers, died from gas poisoning on Oct. 7, 1915. Dougall, Ralph, 4th University Co., Princess Patricia Regiment, killed in action early in the war. Evans, Alfred Winter, Lieut.-Col., New Zealand Rifle Brigade, D. S. 0., D. C. M., killed in action on Oct. 12, 1917.

Jan 3, 1919

Representatives from 100 countries will focus on aspects of energy, ocean mining, safety, and manpower training at Houston's Astrodomain.

Jan 4, 1978

By Leon W. Dupuy

SUPPLEMENT THESE tables should accompany Figs 6, 7, 8, 9 and 10, respectively. To follow Fig 6: TABLE 2[a]-Drill Rod [ ] To follow Fig 7: TABLE 3-Rod Coupling [ ]

Jan 1, 1947