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Jan 1, 1937

ARIZONA Established July 10, 1915 ROBERT W. THOMAS. Chairman ROBERT W. HUGHES, Vice-Chairman HUBERT O. WOODS. Secretary-Treasurer American Smelting & Refining CO., Hayden, Ariz. FRANK A. WARDLAW, JR., National Director THEODORE BROOKS I H. C. HENBIE THOMAS C. CHAPMAN P. D. I. HONEYMAN CARL H. COLE JOHN E. LANNING JOHN H. DAVIS ALBERT MENDELSOHN EDWARD G. DENTZER BRENT N. RICKARD MORRIS G. FOWLER F. A. WARDLAW, JR.

Jan 1, 1942

ALASKA Established November 19, 1947 Meets fourth Monday of each month at Fair¬ banks, Alaska J D CRAWFORD, Chairman BRUCE I, THOMAS, Vice-Chairman C D JERMAIN, Vice-Chairman for Southeastern Alaska EARL H BEISTLINE, Secretary-Treasurer Box 265, College, Alaska

Jan 1, 1952

Jan 1, 1947

Jan 1, 1923

Dec. 2, American Mining Congress, annual membership meeting, University Club, New York. Dec. 2, Society for Applied Spectroscopy, Socony-Vacuum Training Center, New York City. Dec. 4-6, AIME, Electric Steel Furnace Conference, Hotel William Penn, Pittsburgh. Dee. 5, Atlanta Meeting of Southeast Section, AIME, Ansley Hotel, Atlanta. Dec. 7-10, American Institute of Chemical Engineers, annual meeting, Hotels Cleveland and Carter, Cleveland. Dec. 8, AIME, Arizona Section, all-day meeting, Tucson. Jan. 6, 1953, Society for Applied Spectroscopy, Socony-Vacuum Training Center, New- York City. Jan. 14, 1953, AIME Connecticut Section, Hammond Metallurgical Laboratory, Yale University, New Haven, Conn. Jan. 14-16, 19th Annual Meeting of Society of Photogrammetry, Shoreham Hotel, Washington, D. C.

Jan 1, 1952

Nov. 4, 1952, AIME, Morenci Sub-section, Longfellow Inn, Morenci, Ariz. Nov. 5, AIME, Chicago Section, Chicago Bar Assn., Chicago. Nov. 8-8, New Mexico Mining Assn. and International Mining Days, joint convention, Alvarado Hotel, El Paso. Nov. 7, AIME, Pittsburgh Section, National Open Hearth Steel Committee, off-the-record meeting, Hotel William Penn, Pittsburgh. Nov. 7-8, Birmingham Technical Meeting of Southeast Section, AIME, Birmingham. Nov. 10-11, Eighth Annual Meeting of The Magnesium Assn., Hotel Biltmore, New York City. Nov. 12, AIME. Connecticut Section, Hartford, Conn. Nov. 18, AIME, Buffalo Section, National Open Hearth Steel Committee, Hotel Statler. Buffalo. Nov. 19, AIME, Connecticut Section, Hartford, Conn. Nov. 19, American Mining Congress Coal Div. Conference, Wm. Penn Hotel, Pittsburgh.

Jan 1, 1952

By W. L. Kendrick

Jan 1, 1957

[Trans. No. Place Date Vol. Page 1. Wilkes-Barre, Pa.*...May, '71.. 1 3 2. Bethlehem, Pa Aug., '71.. 1 10 3. Troy, N. Y Nov., '71, , 1 13 4. Phildelphia, Pa Feb., '72.. 1 17 5. New York, N. Y. May, '72 120 6. Pittsburgh, Pa Oct., 7. Boston, Mass Feb., '73.. 1 28 8. Philadelphia, Pa.* ... May, '73.. 2 3 9. Easton, Pa Oct., '73.. 2 7 10. New York, N. Y Feb., '74.. 2 11 11. St. Louis, Mo.* May, '74.. 3 3 12. Hazleton, Pa Oct., '74.. 3 8 13. New Haven, Conn.... Feb., '75.. 3 15]

Jan 1, 1940

COMMITTEES Committee on Arrangements DAVID H. BROWNE, Chairman BRADLEY STOUGHTON, Vice-Chairman LAWRENCE ADDICKS BURR A. ROBINSON PERCY E. BARBOUR E. MALTBY SHIPP GEORGE D. BARRON JOSEPH STRUTHERS J. V. N.. DORR E. B. STURGIS J. R.. FINLAY T. T. READ Louis D. HUNTOON R. H. VAIL

Jan 4, 1916

For the year ending February, 1926 PRESIDENT J V W REYNDERS, District 0 NEW YORK, N Y PAST PRESIDENTS E P MATHEWSON, District 0 NEW YORK, N Y WILLIAM KELLY, District 5 IRON MOUNTAIN, MICH FIRST VICE-PRESIDENT E DEGOLYER, NEW YORK, N Y TREASURER , CHARLES F RAND, NEW YORK, N Y SECRETARY FREDERICK F SHARPLESS, NEW YORK, N Y

Jan 1, 1923

By Willard S. Morse

Referring to Mr. Rickard's paper on " The Limitations of the Gold Stamp-Mill" (Trans., xxiii., 137), and the discussions that have followed, and without entering into any controversy as to the relative merits of the " California " and " Colorado " types of stamp-mills, I wish to give the results obtained on ores from Lynx Creek district, near Prescott, Arizona, with a stampmill of the Colorado, or, more precisely, the Gilpin county, Colo., type. The mines of the district have been worked for nearly thirty

Jan 1, 1896

ALASKA Established November 19, 1947 Regular meetings fourth Monday of each month except June, July, and August Theodore A Loftus, Chairman John C Boswell, Vice-Chairman Patrick H O'Neill, Secretary-Treasurer Box 1034, Fairbanks, Alaska District Vice-Chairmen Robert L Thorne, Juneau, Alaska Alfred J Lomen, Jr , Nome, Alaska Donald G. Wilcox, Anchorage, Alaska

Jan 1, 1952

By R. L. Wiegel

Consideration has been given to the merging of a size reduction model and a mineral liberation model to permit prediction of mineral composition as a function of size. The results of this integration of size reduction and mineral liberation models are discussed from both theoretical and practical viewpoints using batch grinding data for a magnetic iron formation sample as a demonstration vehicle.

Jan 1, 1977

Jan 1, 1897

PROF RICHARD ÅKERMAN Stockholm, Sweden PROF RICHARD BECK Friberg, Germany ANDREW CARNEGIR New York, N.Y. DR. JAMES DOUGLAS New York, N.Y. PROF HATON DE LA GOUPILLIERE Paris, France SIR ROBERT A. HADFEILD London, England PROF HANS HOFFER Leoben, Austria PROF HENRI LOUIS LE CHATELIER Paris France M FLORIS OSMOND Paris, France ALEXANDRE POURCEL Paris, France DR. ROSSITER W. RAYMOND New York, N.Y. PROF ROBERT W. RICHARDS Boston Mass. DR. ING H. C. EMIL SCHROEDTER Dusseldorf, Germany JOHN E. STEAD Middlesborugh, England JAMES M. SWANK (Associate) Philadelphia, Pa. PROF DIMITRY CONSTANTIN TSCHERNOFF St Petersburg, Russia PROF TSUNASHIRO WADA Tokyo, Japan CHARLES D WALCOT Washingtion D.C.

Jan 1, 1917

Jan 1, 1898

1-Iron and Steel JOHN A MATHEWS, Chairman RALPH H SWEETER, Vice-Chairman WILLIAM CAMPBELL, Vice-Chairman MAX ROESLER, Secretary Iron Ore CHARLES B MURRAY, Chairman R C ALLEN W O HOTCHKISS MAX ROESLER ERNEST F BURCHARD WILLIAM KELLY DWIGHT E WOODBRIDGE M M DUNCAN CHARLES F RAND CARL ZAPFFE C T FAIRBAIRN THOMAS T READ Blast Furnace WALTER MATHESIUS, Chairman WILLIAM H BLAUVELT P KINNEY C SNELLING ROBINSON A J BOYNTON DORSEY A LYON H SWEETSEP D T CROXTON RICHARD MCCAFFERY R J WYSOR THOMAS L JOSEPH CHARLES P PERIN

Jan 1, 1923

Jan 1, 1948

Jan 1, 1915