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By L. Delatour, K. Voltaire

This paper presents various aspects of the legal and economic settings that govern the exploration for mineral resources in Haiti.

Jan 1, 1980

Organization Place 1917 National Association of Stationary Engineers .... Evansville, Ind. Sept. 10-15 National Safety Council New York City. Sept. 10-15 National Exposition of Safety and Sanitation.... New York City. Sept. 10-15 American Iron, Steel & Electrical Engineers Philadelphia, Pa. Sept. 10-14 American Association of Port Authorities Cleveland, Ohio. Sept. 11-14 American Institute of Metals Boston, Mass. - Sept. 24-29 American Foundrymen's Association Boston, Mass. Sept. 24-29 Chemical Industries, Third National Exhibition.. New York City. Sept. 24-29 American Electrochemical Society Pittsburgh, Pa. Oct. 3-6

Jan 9, 1917

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Jan 1, 1938

By William P. Blake

The late Dr. Ebenezer Emmons of Albany, one of the geologists of the Survey of New York and the author of The Taconic System, brought to notice as early as 1838" a peculiar concretionary and lamellar form of phosphate of lime, to which he gave the name Eupyrchroite, from the Greek words for fire and color, with the pefix

Jan 1, 1893

By E. H. Dix

Jan 1, 1940

EXECUTIVE COMMITTEE OF THE BOARD OF DIRECTORS L E Young. Chairman -. Donald H McLaughlan, Vice-Chairman A B Kinzel Earle E Schumacher John R Suman FINANCE COMMITTEE OF THE BOARD OF DIRECTORS Erle V Daveler, chairrnan Phillip Kraft Clyde E Weed

Jan 1, 1949

By T. F. Witherbee

THE following calculation of heat requirement covers the working of the furnace from January 25th to February 14th, inclusive. A short time previous to the first date the furnace had been working rather badly, so that 300 lbs. of ore and 500 lbs. of limestone were taken off. Within the time mentioned the quality of the iron passed

Jan 1, 1877

Jan 1, 1913

SECTION I PAGE PAGE President's Western Trip v Presentation of the' John Fritz Hoover Makes Plea to. Stop Food Medal to Henry M. Howe.... xv Waste v International Mining Convention. xxxv. American Committee of Engineers Personal xl in London vii Employment xlii Proceedings, Meeting of Board of Local Section News xliii Directors : vii Forthcoming Meetings of Societies xlvii St. Louis Meeting V... Library xlviii The Woman's Auxiliary. xi Membership liv Members of the Institute in Mili- Biographical Notice of H. T. Chen. lxxiv tary Service xiv Institute Committees lxxv Officers and Directors lxxxii

Jan 7, 1917

By R. C. Emmett, D. A. Dahlstrom

Application of continuous filtration to precipitate dewatering requires not only careful equipment selection, choice of appropriate media, but also close control of precipitation technique itself.

Jan 1, 1961

The Institute's stock of Volumes XXXI, LI, and LII has become much reduced by sales. If members have copies of these volumes which they can spare, the price of $3 per volume will he paid for them, if in good condition. If desired, a copy of the Index for Volumes XXXVI to LV will be given for one of these volumes of the Transactions and one dollar additional. For two volumes of the Transactions, a copy of the Index will he sent and the balance will be credited to the payment of dues.

Jan 1, 1919

Annual Meeting, February 17 to 19, 1914.-The following Committees have been appointed to have charge of the arrangements for the Annual Meeting in New York City: . General Committee: Louis D. Huntoon, Chairman; Arthur S. Dwight, Vice-Chairman; W. deL. Benedict, George F. Kunz, Thomas T. Read, E. Maltby Shipp. Reception Committee for Each Day: Chairmen to be announced later. Banquet Committee : Theodore Dwight, Chairman. Luncheon Committee: E. Maltby Shipp, Chairman. Ladies' Committee: Mrs. Arthur S. Dwight. Badge Committee : George F. Kunz, Chairman; E. Maltby Shipp, Vice-Chairman. Program Committee: Thomas T. Read, Chairman. Bureau of Registration and Information: Burr A. Robinson, Chairman.

Jan 1, 1914

EUGENE McAULIFFE, * St. Louis, Mo.-The method employed by the Engineer's Committee in arriving at a proper selling price for coal and coke represents hard painstaking effort based on a thoroughly scientific foundation; and the United States Fuel Administration can well point with pride to the work of this committee. The results so obtained placed

Jan 12, 1918

Jan 1, 1930

By Omar A. Muhtadi

Experimental statistical designs were used at Zortman Mining Company's, Zortman, Montana, heap-leach operation to establish functional relationships between key operating parameters and gold/silver recoveries. Zinc feed rate, lead feed rate, and vacuum (CFM/gpm) account for 64% and 67% of the attainable gold and silver recoveries, respectively. Surface response graphs of the resulting polynomials were plotted. These graphs were used to optimize Zortman's Merrill-Crowe precipitation process.

Jan 1, 1984

YEAR OF ELECTION 1913 FRANK DAWSON ADAMS Montreal, Canada. 1921. WILLIAM CUTHBERT BLACKETT Sacriston, Durham, England. 1923. GELASIO CAETANI Rome, Italy 1920. HENRY STURGIS DRINKER Merlon Station, Pa 1921. FERDINAND FOCH Paris, France 1922. FEDERICO GIOLITTI Torino, Italy 1906. SIR ROBERT A. HADFIELD London, England. 1921. FRANK WILLIAM HARBORD London, England 1917. HERBERT HOOVER Washington, D. C 1905 HENRI LECHATELIER Paris, France 1921. C. MCDERMID London, England 1913. EZEQUIEL ORDONEZ Mexico City, Mexico 1909. ALEXANDRE POURCEL Paris, France. 1911. ROBERT H. RICHARDS Cambridge, Mass 1891. DR. ING. H. C. EMIL SCHROEDTER Mehlem a Rhein, Germany.

Jan 1, 1923

Extractive Metallurgy Division Institute of Metals Division Iron and Steel Division OFFICERS AND COMMITTEES W R Hibbard, Jr , President J C Kinnear, Jr , Past President John Chipman, Vice-President T D Jones, Treasurer R W Shearman, Secretary AIME, 29 West 39th Street New York 18, N Y

Jan 1, 1958

By M. C. Fuerstenau, R. K. Price, R. D. Wellik, B. M. Wakawa

Median lethal concentrations of pure and commercially available ethyl xanthate, isopropyl xanthate, amyl xanthate, diethyl dithiophosphate, dibutyl dithiophosphate, and isopropyl ethylthionocarbamate for rainbow trout have been established utilizing static bioassays.

Jan 1, 1975

Jan 1, 1913

For the benefit of those of our members who are considerable holders of securities, but owing to their isolated situations are not in close touch. with the, metropolitan market and current quotations, we are publishing two very interesting graphs, showing the course of the bond and stock markets in New York over a long period. These graphs are furnished through the courtesy of the financial department of the New York Tribune.

Jan 9, 1919