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Jan 1, 1933

Jan 1, 1918

Jan 1, 1969

Jan 1, 1918

Jan 1, 1951

Jan 1, 1951

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

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Jan 1, 1938

Jan 1, 1965

Jan 1, 1908

The following list contains the names of members of whose deaths notices have been printed in MINING AND METALLURGY during the year ending April 1, 1939. Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns.

Jan 1, 1944

By Ellison C. Means

Many Virginia furnaces are troubled with a small percentage of zinc in their stock, this element being present, although the chemist may have failed to report it, either in the ore or in the limestone.

Jan 1, 1889

Jan 1, 1951

Jan 1, 1939

Jan 1, 1939

Jan 1, 1940

Jan 1, 1946

Climax Molybdenum Co. has contracted with the Government to operate its property at Climax, Colo. at maximum capacity for five years. Substitution of synthetic lubricants, polyalkylene glycols and their derivatives, for petroleum products in certain industrial applications is yielding substantial savings in production costs and improved operation of mechanical equipment.

Jan 1, 1951

By Hendon R. Johnston

In the Tennessee Valley Authority's program of investigation and treatment of foundations for major structures, many chert, or flint, bodies have been encountered during the diamond-drilling operations. These chert bodies occur most frequently in the Knox dolomite and

Jan 1, 1948

By Chung Yu Wang

STUDY of two recent papers and a recent book leads one to raise anew the question-Why are certain regions of the earth more mineralized than others?

Jan 5, 1953