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Jan 1, 1913

Oklahoma Geological Survey, Faculty Exchange, Norman, Okla The Oklahoma Geological Survey was closed for lack of funds July 1, 1931. However, a list of publications "will be sent and requests for publications will be filled in so far as possible Address the above.

Jan 1, 1933

Jan 1, 1895

Jan 1, 1927

Jan 1, 1879

Jan 1, 1947

Jan 1, 1951

By John W. Rushton

This month's article concludes the series with maintenance design considerations in secondary crushing, grinding, and flotation circuits.

Jan 4, 1978

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

Jan 1, 1939

Jan 1, 1940

By L. Delatour, K. Voltaire

This paper presents various aspects of the legal and economic settings that govern the exploration for mineral resources in Haiti.

Jan 3, 1979

Jan 1, 1939

By William B. Stephenson

The paper describes efficient and effective methods of automatically controlling sand pump installations. Particular reference is made to liquid-level controls actuating variable speed pump-driving units. Included is a discussion of various combinations of equipment, with schematic drawings.

Jan 7, 1950

Jan 1, 1950

UNIVERSITY OF ALABAMA University, Ala. Mining & Metallurgical Society James W Stewart UNIVERSITY OF ALASKA College, Alaska Mining Society of the University of Alaska Guinn Metzger UNIVERSITY OF ARIZONA Tucson, Arizona Miners' Society H Krumlauf BIRMINGHAM-SOUTHERN COLLEGE Birmingham, Ala Pick & Hammer Club Daniel D Arden

Jan 1, 1952

By John Griffen

This paper records over twenty years' experience with the use of the Rheolaveur system in the United States, showing its ability to meet changing conditions caused by the dirtier mine output of present-day mechanical mining methods. Data are given on size ranges handled, number and capacity of units installed, maintenance experience, and operating results on two-product and three-product separations.

Jan 11, 1950

Jan 1, 1951

By W. M. McKewan

Jan 1, 1962