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PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872 R W RAYMOND 1873 R W RAYMOND 1874 A L HOLLEN 1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 ECKLEY B COXE 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882

Jan 1, 1910

Depending on viewpoint, slurry pipelines are a necessary part of coal expansion in the West, or an opportunistic venture that could cripple many American railroads.

Jan 10, 1977

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

CARACAS PETROLEUM Established February 24, 1957 Meets second Tuesday monthly W F Shelton, Chairman Homer N Mead, First Vice-Chairman Jose G Paez, Second Vice-Chairman T A Moore, Treasurer E A Moore, Secretary Cia Shell de Venezuela Apartado 809 Caracas. Venezuela

Jan 1, 1958

By Ellison C. Means

Many Virginia furnaces are troubled with a small percentage of zinc in their stock, this element being present, although the chemist may have failed to report it, either in the ore or in the limestone.

Jan 1, 1889

At its meeting on June 22, 1950, the Board of Directors passed a resolution defining and expressing the policy of the Institute with respect to official participation or action in controversial matters On June 23, 1959 the Board of Directors made minor revisions in the resolution to bring it up-to-date with recent changes in the Institute's structure The revised resolution IS as follows

Jan 1, 1960

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 RICHARD P. ROTHWELL 1881

Jan 1, 1932

By H. B. C. Nitze

Monazite is a phosphate of the rare earths, cerium, lantha num, and didymium (Ce, La, Di)PO,. It also contains thoria (Tho,) and silica, which are present in varying percentages, probably as impurities.

Jan 1, 1896

By A. J. Zinkl

A two-year test led to adoption of carbide insert bits at the Iron King mine. Results: greater production, lower costs, and happier miners.

Jan 4, 1951

Executive ROBERT E. TALLY, Chairman WILLIAM H BASSETT JOHN A. MATHEWS Louis S. CATER EDGAR RICHARD Finance HENRY KRUMB, Chairman H A GUESS H G. MOULTON Admissions ERLE V. DAVELER, Chairman GEORGE D BARRON H K MASTERS JOHN M. LOVEJOY P. A.-MOSMAN Alternates E. L. ESTABROOK C. E MEISSNER J. A. SINGMASTER FRED H. KAY

Jan 1, 1923

Jan 1, 1934

By H. M. Chance

HAVING an opportunity of exhibiting specimens of .coal from two beds in this field to the members of the Institute, I desire only to

Jan 1, 1885

By U. Runolinna, R. T. Hukki

Preliminary separation of precious metals by flotation can offer a simplification of the conventional method of treatment of anode slimes. Laboratory flotation experiments show that rich gold and silver concentrate can be obtained with excellent recoveries.

Jan 11, 1950

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872-1874 A L HOLLEY1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 - 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882 RICHARD W HUNT 1883

Jan 1, 1917

Jan 1, 1934

Jan 1, 1908

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

By S. H. Ash

lowest fatal injury rate in history conferences stress selling worker on safety international safety conference beneficial

Jan 2, 1951

United Engineering Trustees, Inc. GEORGE A. EASLEY H. G. MOULTON A. L. QUENEAU The Engineering Foundation GEORGE D. BARRON E. DEGOLYER A. L. QUENEAU Engineering Societies Library Board H. K. MASTERS A. B. PARSONS, Ex-officio F. F. SHARPLESS H. H. SWEETSER ARTHUR L. WALKER

Jan 1, 1934

(Under this heading will he published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, mining engineer, technical education with 9 years' varied experience as superintendent and operating engineer, desires position with mining or manufacturing company requiring the services

Jan 3, 1918