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Jan 1, 1892

Jan 1, 1935

Jan 1, 1909

United Engineering Trustees, Inc. GEORGE D. BARRON WILLIAM H. BASSETT R. M. ROOSEVELT The Engineering Foundation GEORGE D. BARRON H. C. BELLINGER E. DEGOLYER Engineering Societies Library Board ROBERT PEELE PHILIP W. HENRY H. K. MASTERS A. B. PARSONS, Ex-officio R. H. SWEETSER

Jan 1, 1932

Jan 1, 1927

Jan 1, 1904

United Engineering Trustees, Inc. H. G. MOULTON, 40 A. L. QUENEAU, '38 ALBERT ROBERTS, '39 The Engineering Foundation GEORGE D. BARRON, '40 A. L. QUENEAU, '38 Engineering Societies Library Board H. K. MASTERS, '38' A. B. PARSONS, Ex-officio F. F. SHARPLESS, '37

Jan 1, 1936

MINING METHODS F A WARDLAW, JR, Chairman WILLIAM J COULTER, Past Chairman PHILIP B BUCKY, Past Chairman FRANCIS CAMERON, Vice-Chairman R D LONGYEAR, Vice-Chairman J MURRAY RIDDELL, Vice-Chairman LELAND A WALKER, Vice-Chairman E D GARDNER, Secretary

Jan 1, 1952

Jan 1, 1917

Admissions: Joseph C. Gordon, Chairman K. F. Anderson Allen B. Gibson H. J. Gruy R. F. Madera Dan H.-McLendon K. W. Robbins Aurel E. Smith W. F. West Advertising: John. D. Wisenbaker, Chairman Bernard F. Klein Henry N. Lyle R. E. Howard Clark R. Edgecomb, Jr. [ ]

Jan 1, 1961

Professional Divisions I-Institute of Metals Division* GEORGE K ELLIOTT, Chairman GEORGE C STONE, Vice-chairman WILLIAM M CORSE, Secretary-treasurer Executive Committee D K CRAMPTON SAMUEL L HOYT R I, SUHL W K FRANK ZAY JEFFRIES A E WHITE H W GILLETT H C JENNISON R F WOOD STANISLAUS SKOWRONSKI II-Petroleum Division F JULIUS FOHS, Chairman EDWARD L ESTABROOK, Vice-chairman C P WATSON, Secretary-treasurer

Jan 1, 1923

Jan 1, 1894

Jan 1, 1943

By D. Kelly Campbell

Cleveland-Cliffs Conveyor System Uses Twisted Belt To: 1 -Beat Upper Peninsula Weather 2- Solve Underground Transportation Problems

Jan 7, 1953

This Bulletin will be received by members at about the time the Colorado Meeting is in session. A general account, of the meeting will be printed in the October Bulletin, but it will not be practicable to publish the discussion of the papers at the Colorado Meeting until the Nov-vember Bulletin.

Jan 9, 1918

Jan 1, 1947

Jan 1, 1938

Jan 1, 1947