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By H. M. Katz, J. L. Speirs, F. B. Hill

Jan 1, 1961

By E. E. White

I disagree with Mr. Brinsmade on serveral points, and I will discuss this remards under the same six topics which he has used.

Jan 1, 1915

EXECUTIVE COMMITTEE OF THE BOARD OF DIRECTORS EUGENE McAULIFFE, Chairman. L. E. YOUNG, Vice-chairman. CHESTER A. FULTON WIILBER JUDSOIN PAUL D. AMERICA FINANCE COMMITTEE OF THE BOARD OF DIRECTORS ERLE V. DAVELER, Chairman. HENRY KRUMB H. Y. WALKER ADMISSIONS FELIX E. WORMISER, Chairman GEORGE D. BARRON. Vice-Chairman CARROLL A. GARNER PHILIP KRAFT E. M. WISE

Jan 1, 1942

Jan 1, 1923

Jan 1, 1942

By George Frederick Kunz

The garnet-district of Bohemia is situated about 60 kilometers northwest of Prague, and is bounded on the north by Meronitz and Trebnice, 12 miles apart, and by Decany and Skan on the south. This region is covered with alluvium resting on the diluvium, which

Jan 1, 1893

Jan 1, 1934

By Joseph D. Weeks

FIFTY-eight years and a day, full of labor, of achievement and of honor had been completed when, at Pittsburgh, on the 5th day of May, 1892, the wheels of a life that had but just before lost its inspiration stood still, and the work here of William Powell Shinn was at an end. Born at Burlington, N. J., May 4,1834, he received such an education (and it was. the only school education he ever had) as the public

Jan 1, 1893

Map

Jan 1, 1938

Elected Died 1882 *ABBOTT, ARTHUR V 1906 1903 * ADAMS, CHARLES C. 1905 1884 *ADDY, MATTHEW 1896 1894 *ALLFN R B 1896 1874 *AMIOT, H 1892 1886 *AMSLER, CARL 1894 1895 *ÅNGSTROM, CARL 1901 1895 *ARMSTRONG, JOHN F 1898 1882 *ARNOLDS, HUGO 1886 1875 *ASHBURNER, CHARLES A 1889 1872 *ASIIBURNER, WILLIAM 1887 1883 *ATKINS, C M , JR 1885 1897 *AYERS, WILLIAM 1898 1885 *BABCOCK, GEO H 1893 1884 *BAILEY, EDWARD 1889 1880 *BAILEY, JACKSON 1887 1900 *BALLOU, FRANKLIN 1903 1886 *BARNES, F W 1892

Jan 1, 1910

By N. T. Burdine

Jan 1, 1913

Jan 1, 1920

Jan 1, 1920

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Jan 1, 1938

By Edward T. Koch

A new concept involving the use of a crawler-mounted slurrifier for open-pit ore mining and overburden removal is dealt with. The design and application are discussed. Based on field experience, the area and type of operation where this machine would be effective is indicated. The slurrifier is also compared with draglines, shovels, and bucket wheel excavators. A number of the design concepts, as well as the mechanical and operational parameters, are discussed.

Jan 1, 1976

Jan 1, 1938

Executive Committee, Board of Directors C E Reistle, Jr, Chairman, H DeWitt Smith, Vice-Chairman, T B Counselman, Grover Holt, A W Thornton Finance Committee, Board of Directors Andrew Fletcher, Chairman, R B Caples, C R Dodson Investments Erle V Daveler, '57, Chairman, Henry Krumb, '59, John E Warren, '57, G F Moulton, ex officio as Treasurer, Andrew Fletcher, ex officio as Chairman, Fi¬nance Committee Endowment W W Mein, Jr, Chairman, N G Alford, E V Daveler, W J Coulter, J V N Dorr, R B Gilmore, J B Haffner, 0 H Johnson, Henry Krumb, D H McLaughlin, J R McMillan, J B Morrow, L F Reinartz, Wilfred Sykes, C E Weed Honorary Memberships Andrew Fletcher, Chairman, L F Reinartz and H DeWitt Smith, ex officio as Past Presidents, C E Reistle, Jr , ex officio as President, M L Rai¬der, '60, Henry Krumb, '58, D H McLaughlin, '57, P D Merica, '59

Jan 1, 1956

Jan 1, 1895