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E. O?C. Acker Truman H. Aldrich John H. Allen W. Lawrence Austin W. S. Ayres David Baker Andrew A Blair Walter M. Brodie H.H. Burden Charles Butters

Jan 1, 1936

Minnesota J. A. MACKILLICAN, Chairman W. W. J. CROZE, Vice-chairman T. L. JOSEPH, Vice-chairman S. E. ATKINS, Secretary-Treasurer, Alworth Bldg., Duluth, Minn. Montana MURL H. GIDEL, Chairman ALBERT E. WIGGIN, Vice-chairman ALEXANDER M. MUDONALD, Secretary-Treasurer, 101 W. Granite St. Butte, Mont. GEORGE G. GRISWOLD FRANCIS A. THOMSON

Jan 1, 1929

By Fred M. Phillips

Jan 1, 1985

Jan 5, 1976

Jan 1, 1922

Jan 1, 1904

By H. A. Gardner, G. B. Heckel

The principal use of barium sulphate is as an inert paint pigment.

Jan 1, 1915

Jan 1, 1887

Jan 1, 1907

University of Alaska College, Alaska Mining Society RAYMOND SMITH, President KEN \PIER. Secretary HOWARD, G. WILCOX Faculty Sponsor BERT OGBURN Counselor University of California Berkeley, California Mining Association D. J. MCNEIL, President S. A. YOUNG. Secretary LESTER C. UREN Faculty Sponsor GRANVILLE C. BORDEN, Counselor

Jan 1, 1943

Jan 1, 1953

Map

Jan 1, 1937

Jan 1, 1913

[ ]

Jan 1, 1907

By J. L. Carne

Careful sampling is necessary to maintain sulphide-oxide ratio of open-pit and underground ores.

Jan 6, 1951

By Leon W. Dupuy

SUPPLEMENT THESE tables should accompany Figs 6, 7, 8, 9 and 10, respectively. To follow Fig 6: TABLE 2[a]-Drill Rod [ ] To follow Fig 7: TABLE 3-Rod Coupling [ ]

Jan 1, 1947

Jan 1, 1935

Jan 1, 1892

The following list contains the names of members whose death notices have been printed in MINING AND MDTALLURY from April 5. 1944 through March 15. 1945, Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns. [ ]

Jan 1, 1946