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Jan 1, 1947

Jan 1, 1947

Jan 1, 1949

Jan 1, 1932

PRESIDENT. CHARLES F. RAND,1 NEW YORK, N. Y. PAST PRESIDENTS. CHARLES KIRCHHOFF,1 NEW YORK, N. Y. JAMES F. KEMP,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT. BENJAMIN B. THAYER,1 NEW YORK, N. Y. TREASURER. GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS. ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY. BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 8, 1913

Jan 1, 1953

Jan 1, 1935

Jan 1, 1937

Jan 1, 1940

Jan 1, 1956

Redetermination of the Chromium and Nickel Solvuses in the Chromium-Nickel System by C. J. Bechtold and H. C. Vacher, p. 14 The text of pages 16 and 17 is in improper sequence. The correct version will appear in the bound volume.

Jan 1, 1962

United Engineering Society ARTHUR S DWIGHT J VIPOND DAVIES J V N Dorm Engineering Societies Library Board SIDNEY H BALL ALEXANDER C HUMPHRFYS GEORGE C STONE JOHN H JANEWAY Engineering Foundation Board H M BOYLSTON J VIPOND DAVIES GALEN H CLEVENGER Society for Promotion of Engineering Education WILLIAM KELLY ALLEN H ROGERS

Jan 1, 1923

Jan 1, 1957

Jan 1, 1934

By B. Sadtler

The oldest producing district of Park county, and in fact one of the oldest producing gold-districts of the State, is situated on the head-waters of the Platte and tributary streams. Geo-

Jan 1, 1897

Jan 1, 1899

By K. A. Olsson

The Glenharold mine is a multiple seam dragline operation where many different stripping methods are employed. This paper describes the production operations of over-burden removal, coal loading, and haulage. Emphasis is placed on the methods used to uncover fie seam using draglines, scrapers, and a small shovel.

Jan 1, 1984

By Thomas R. Couzens

Jan 1, 1985

Jan 1, 1937