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By W. W. Weigel

In "Mine Drainage, Southeast Missouri Lead District," Trans. AIME, (1943) 153, 74-81, the general water conditions in the lead mines of Southeast Missouri were described. Some comments developed from the experience of time and some further

Jan 1, 1949

STANDING COMMITTEES. Executive. CHARLES F. RAND, Chairman. JAMES F. KEMP, JOSEPH W. RICHARDS, ALBERT R. LEDOUX, BENJAMIN B. THAYER. Membership.. BENJAMIN B. THAYER, Chairman. WALTER R. INGALLS, JOHN H. JANEWAY, JR., JOHN D. IRVING, HERMAN A. PROSSER. Finance. EDWARD L. YOUNG,Chairman. KARL EILERS, JAMES GAYLEY. Library. JAMES F. KEMP, Chairman. JOHN HAYS HAMMOND,3 E. GIBBON SPILSBURY,2 ALEX. C. HUMPHREYS,4 BRADLEY STOUGHTON.

Jan 7, 1913

By Mario L. Villa

During 1938, oil activities in the Argentine Republic showed a favorable balance due to the increase in crude-oil production, the incorpora- tion of new producing areas and the discovery of deeper productive horizons. Drilling was as follows:

Jan 1, 1939

Iron and Steel ALBERT SAUVEUR, Chairman. A. A. STEVENSON. Vice-Chairman. HERBERT M. BOYLSTON, Secretary, Abbot Bldg., Harvard Sq., Cambridge, Mass. GUILLIAEM AERTSEN, HENRY M. HOWE, E. GYBBON SPILSBURY, JOHN BIRKINBINE. ROBERT W. HUNT, J. 8. UNGER, WILLIAM H. BLAUVELT, J. E. JOHNSON, JR.. FELIX A. VOGEL, CHARLES A. BUCK, CHARLES KIRCHHOFF, LEONARD WALDO, ERNEST F. BURCHARD, RICHARD MOLDENKE. WILLIAM R. WALKER, FRANK D. CARNEY, CHARLES F. RAND, WILLIAM R. WEBSTER JAMES GAYLEY, JOSEPH W. RICHARD$, FREDERICK W. WOOD. HENRY D. HIBBARD, C. F. W. RYS,

Jan 1, 1917

By Mario L. Villa

During 1938, oil activities in the Argentine Republic showed a favorable balance due to the increase in crude-oil production, the incorpora- tion of new producing areas and the discovery of deeper productive horizons. Drilling was as follows:

Jan 1, 1939

Jan 1, 1935

Jan 1, 1945

[Holds monthly meetings, except June, July and August, J JOHN A. CHURCH, JR., Chairman JOSEPH E. POGUE, Vice-chairman SIDNEY ROLLE, Vice-chairman EDWARD C, MEAGHER, Secretary, Texas Gulf Sulphur Co,, 41 E, 42nd St., New York M, H, MERRISS, Treasurer, 42 Broadway, New York ARTHUR NOTMAN T. T, READ Boston Meets first Monday of each winter month. EDWARD C. GEITHER, Chairman WILLIAM S. BLACK, Vice- chairman DONALD H, MCLAUGHLIN, Secretary, treasurer, Rotch Bldg,, Harvard Univ,, Cambridge, Mass. J, L. GILLISON A. G, WAITE]

Jan 1, 1928

CURRENT MATTERS Page Page New York Meeting v Federal Control of Minerals xxxii Meeting of Board of Directors.. ix Naval Consulting Board...' xxxix Reports for Year, 1917: Perkin Medal xl Secretary ix Communication from Albert Treasurer xvii Sauveur xl Committee on Membership... xx Affiliated Student Societies xli Committee on Increase of Membership in Military Service... xli Membership xx Personal xlvii Committee on Publications... xxii Positions Vacant 1 Committee on Library xxiii Engineers Available li Local Section News: Forthcoming Meetings lii Boston xxiv Library liii. Columbia xxv Membership lvii San Francisco xxx Institute Committees lxx Qualifications for Membership.. xxxi Officers and Directors lxxviii.

Jan 2, 1918

Arizona E. P. MATHEWSON, Chairman F. W. MACLENNAN, First Vice-chairman CLYDE E. WEED, Second Vice-chairman E.D. GARDNER, : Secretary-Treasurer Box 4097, University Station, Tucson, Ariz. ARTHUR CROWFOOT G.H. DOWELL HENRY F. EASTER R.D. LEISK Boston Meets first Monday each month, October to May, inclusive GEORGE, W. METCALFE, Chairman ROBERT S. WILLIAMS, Vice-chairman F. LEROY FOSTER, Secretary-Treasurer Rooms G-202, Mass. Inst. of Tech. Cambridge, Mass. FREDERICK K. MORRIS GEORGE A. PACKARD

Jan 1, 1934

By Emil Schroedter

The death, on May 6,1908, of Dr. Hermarnn Wedding, Privy Mining Councilor of the Kingdom of Prussia, and Professor of the Metallurgy of Iron and Steel at the Royal Mining Academy of Berlin, was a loss keenly felt by the whole metallurgical world. Not alone in his native land, but also in foreign countries, did he enjoy an esteem of which the title of honorary membership in the American Institute of Mining Engineers, the United States Association of Charcoal Iron-Workers, and the (British) Iron and Steel Institute bears eloquent testimony.

Jan 1, 1910

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

By F.M. Walters

In order to isolate the effect of an element on some property of an alloy, the effect of the other alloying elements must be elimi-nated, either by reducing their quantity to the extent that they may be neglected or by determining the specitic effect of each. The success of Grossmannl in calculating hardenability from chemical composition by means of factors suggested such a

Jan 1, 1943

DAVID THOMAS 1871 R. W. RAYMOND 1872-1874 A. L. HOLLEY 1875 ABRAM S. HEWITT 1876 T. STERRY HUNT 1877 ECKLEY B. COXE 1878-1879 WILLIAM P. SHINN 1880 WILLIAM METCALF 1881 RICHARD P. ROTHWELL 1852 ROBERT W. HUNT 1883 JAMES C. BAYLES 1884-1855 ROBERT H. RICHARDS 1886 THOMAS EGLESTON 1887 WILLIAM B. POTTER 1888 RICHARD PEARCE 1889 ABRAM S. HEWITT 1890 JOHN BIRKINBINE 1891-1892 H. D4. HOWE 1893 JOHN FRITZ 1894 J. D. WEEKS 1895 E. O. SPILSBURY 1896 THOMAS M. DROWN 1897 CHARLES KIRCHHOFF 1898

Jan 1, 1941

By The Staff of Dames & Moore

Five factors are required for the formation of uranium deposits: a source, transporting medium, host, trap, and preservation. Locating and evaluating uranium deposits requires ail integration of methods and techniques to determine if the above factors are present. A typical exploration program consists of selection of a favorable area, field reconnaissance, land acquisition, and target definition and evaluation. Target definition and evaluation utilizes a combination of geologic mapping, geochemical surveying, geophysical surveying, and drilling and logging. Each overlaps the others to some degree.

Jan 10, 1978

By William P. Blake

A recent paper by Prof. George P. Merrill, Curator of the Department of Geology of the U. S. National Museum, Wash-

Jan 1, 1897

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

By F. M. Walters

In order to isolate the effect of an element on some property of an alloy, the effect of the other alloying elements must be elimi-nated, either by reducing their quantity to the extent that they may be neglected or by determining the specitic effect of each. The success of Grossmannl in calculating hardenability from chemical composition by means of factors suggested such a

Jan 1, 1943

By Peter Sonnenfeld

Bedded potash deposits are known only from Phanerozoic evaporite sequences. They are composed of either sylvite or carnallite, of which only the former produces commercial potash ores. Both Permian and Neogene potash deposits have experienced sulfatization by percolating oxygenated surface brines, causing enrichment in the potash content. Permian potash deposits are mined in various parts of Europe and North America, Miocene ones only along the outer rim of the Carpathian Mountains and in Sicily. New discoveries of large Miocene rock salt bodies make it possible to predict the occurrence of potash deposits along their flanks.

Jan 1, 1985

BOSTON SECTION ALFRED C. LANE, Chairman, GEORGE A. PACKARD, Vice-chairman, H. M. BOYLSTON, Secretary-Treasurer, R. L. AGASSIZ, FRED W. DENTON. The forty-ninth meeting of the Boston Section was held at the Boston City Club on Monday evening, Dec. 23, 1918. The meeting was preceded by an informal dinner at which 29 members and guests were present; three or four others came in later. The reading of the minutes of the previous meeting was dispensed with by consent.

Jan 2, 1919