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A Report Of Current Activity In The Industry

Jan 6, 1951

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Jan 1, 1938

Jan 1, 1892

Jan 1, 1879

Jan 1, 1900

By AIME AIME

IT is unlikely that any oil field has ever threatened the future course of the oil industry as does Kettleman today. It seems that nature has striven to outdo herself in combining in this field every possible factor conducive to a tremendous production of the petroleum product in greatest demand-gasoline. This field already has 13,700 acres of proved land and an oil zone of known thickness of 1400 ft. It has wells yielding several thousand barrels of oil of virtually motor fuel grade, together with millions of cubic feet of gas at almost unheard of pressures. The field would have been the. answer to an oil man's prayer in times of under-supply, but now it is the oil man's nightmare, for drilled in -the manner of most other fields and without regard to available markets for oil and gas, the greatest physical and economic losses in the his¬tory of the oil industry will result.

Jan 1, 1930

Jan 1, 1945

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

Jan 1, 1939

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman. Nominations-POPE YEATMAN, chairman.

Jan 6, 1919

Jan 1, 1934

Jan 1, 1910

For the convenience of members who may be traveling from place to place, the Secretary has compiled a list of libraries or other places in the United States and foreign countries where MINING AND METALLURGY or the Transactions may be consulted. This list will be sent to members if they so request.

Jan 1, 1925

The following list of US companies, mines, and mills engaged in uranium production was compiled by the Health and Safety Analysis Center, Mine Safety and Health Administration, in Denver, Colo. The list includes those companies reporting to the Center in 1978. Thanks to D. K. Walker, Chief of the Health and Safety Analysis Center, for providing the information to MINING ENGINEERING.

Jan 10, 1978

By J. H. Bowden

On the night of January 23d, 1889, Erich C. Schaufuss, a member of the Institute, while engaged in making the regular mine-surveys in No. 4 Slope of the Susquehanna Coal Co, at Nanticoke, Pa., was killed by an explosion of fire-damp. The catastrophe, which cost another life also, is attributed to the carelessness of the " fire-boss" leading the party, who advanced with a naked lamp into a chamber

Jan 1, 1889

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Jan 1, 1938

HENRY G. MARTIN,* Chicago Heights, 111. (written discussion?).-. The object in taking three or more ladle tests is to secure a sample that will show the average composition of the heat, not primarily to investigate the lack of uniformity existing; however, the assumption that the samples are not of uniform composition -remains. In other words, we have three samples of steel of different composition, the par-ticles of which are not subject to extreme comminution so as to mix inti-mately, and yield an average homogeneous sample, if placed in one

Jan 11, 1919

By E. M. Rogers

In hoisting from shafts of considerable depth, the dead weightdue to the accumulating length of cable is an important element, and has

Jan 1, 1889

Jan 1, 1892

By J. S. Ll. Leach, J. B. Cohen, M. B. Bever

IN the work reported here, the heats of formation of a copper-rich Cu-Sn (a) solid solution and of the Cu.Sn (0 phase were measured by tin solution calorimetry. An approximate determination of the heat effect attending the precipitation of 6 from a supersaturated a solid solution was also made.

Jan 1, 1955