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By C. F. Hardy, D. R. Mitchell

Bolts held up roofs as mining machines went on to set new records, but rising labor costs still plagued operators.

Jan 2, 1951

Jan 1, 1942

By James R. Piper

Jan 1, 1985

By John Ziats

This chapter covers the drawing requirements for the design of a comminution plant.

Jan 1, 1982

By Sherwin F. Kelly

Airborne techniques enter hard rock exploration field. . . the gap between pure geophysics and engineering seen as closing rapidly.

Jan 2, 1951

Jan 1, 1939

Jan 1, 1937

Jan 1, 1962

Jan 1, 1968

Jan 1, 1954

By Simon D. Handelsman, Reg M. M. Rowe

The mechanism of using gold as the basis for a loan was suggested to the treasurer of a mining company operating two gold heap leach mines at a time of high interest rates. Due to the seasonal nature of cash flows from operations, and the relatively low cost of funds this scheme was attractive. The paper describes the agreement with the bank, gives an example of the transactions, and describes other types of gold loans.

Jan 1, 1985

EXECUTIVE COMMITTEE OF THE BOARD OF DIRECTORS CHESTER A. FULTON, Chairman CARROLL A. GARNER H. Y. WALKER WALLACE E. PRATT FELIX E: WORMSER PAUL D. MERICA, Consultant FINANCE COMMITTEE OF THE BOARD OF DIRECTORS ERIE V. DAVELER, Chairman WILBER JUDSON RUSSELL B. PAUL HENRY KRUMB, Consultant

Jan 1, 1944

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

Arizona F. P. MATHEWSON, Chairman F. W. MACLENNAN, First Vice-chairman _CLYDE F. WEED, Second Vice-chairman F. D. GARDNER, Secretary-Treasurer Box 4097, University Station, Tucson, Ariz. ARTHUR CROWFOOT G. H. DOWELL HENRY F. FASTER R. D. LEISK Boston Meets first Monday each month, October to May, inclusive FREDERICK K. MORRIS, Chairman DANIEL CUSHING, Vice-chairman F. LEROY FOSTER, Secretary-Treasurer Rooms 6-202, Mass. Inst. of Tech., Cambridge, Mass. WILLIAM H. COBURN RUSSELL 01550K

Jan 1, 1934

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

Sept. 3-8, AIME, Fall Meeting, Industrial Minerals, Minerals Beneficiation, Mining, Geology, & Geophysics, Iron and Steel, and Coal Div., Palmer House, Chicago. Sept. 3-13, AIME, Chicago Section, Centennial of Engineering, Chicago. Sept. 5-8, Engineers' Council for Professional Development, annual meeting, Hotel Sheraton, Chicago. Sept. 11-13, American Institute of Chemical Engineers, Palmer House, Chicago, Ill. Sept. 13, Columbia Section, AIME, Canadian Institute of Mining and Metallurgy, joint all-day meeting, Metaline Falls, Wash. Sept. 18, AIME, Utah Section, Newhouse Hotel, Salt Lake City. Sept. 20, Colorado Section, AIME, Denver. Andrew Fletcher, speaker. Sept. 22-25, American Mining Congress, Metal and Nonmetallic Mining Convention and Exposition, public auditorium, Denver. Sept. 23-25, Institution of Mining and Metallurgy, symposium on mineral dressing, Royal School of Mines. London.

Jan 1, 1952

Jan 1, 1942

Jan 1, 1934