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Development of Mining Methods in 1930
By FREDERICK W. BRADLEY
MINING methods are evolved rather than devised; and the process is slow. The advance in no particular year is phenomenal, but progress is un- questionably being made constantly in several directions:
Jan 1, 1931
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Endowment Funds (7b6c8555-360c-4913-b4a4-ae7f39dbc067)
The income of the Institute is derived from dues, subscriptions to MINING AND METALLURGY and sale of publications. These sources are fortunately supplemented by the interest from invested funds now am
Jan 1, 1936
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New York Paper - Sulphur Dioxide as an Agent in Fighting Mine-Fires
By Walter O. Snelling
In combating mine-fires the use of carbon dioxide as a means of producing an atmosphere in which combustion cannot be sustained, has been many times suggested and frequently tried, generally with a fa
Jan 1, 1909
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Report of A.I.M.E. Aviation Committee for Year 1936-37 (0998a481-d771-4c0c-847f-11a7d79befd7)
By W. E. D. Jr. Stokes
THE application of aviation to mining and petroleum operations, on the basis of economy and attainment, has become a demonstrated fact. According to Dominion Government records, 30. Canadian companie
Jan 1, 1937
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The Lead Industry of Utah
By L. D. Anderson
IN STUDYING Utah as a lead producing state one is immediately confronted by the fact that few, if any, of the ores of the state are valued for their lead contents alone. More correctly the ores from w
Jan 1, 1925
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New Helium Plants of the Bureau of Mines ? Five Plants Can Now Supply 25 Times the Prewar Output
By H. P. Wheeler
WHEN Germany invaded Poland in September, 1939, the only operating helium plant in the United States was that near Amarillo. Texas, supplied with helium-bearing natural gas from the near-by Cliffside
Jan 1, 1945
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LHD Equipment Ups Production For Inco
By T. D. Parris
Within a 30-mile radius of Sudbury, Ontario, the Ontario division of the International Nickel Co. of Canada, Ltd., operates nine underground mines and two open pits. Prior to 1966, ore removal from
Jan 6, 1969
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Surface-Hardening and Hard-Surfacing
By C. E. MacQuigg
MAN?S desire to harden metal is older than recorded history and obviously would date from the moment when he found his implements were not equal to the demands of service. This need for hardness in me
Jan 1, 1939
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Biographical Notice Of William Phipps Blake.
By Rossiter W. Raymond
(Canal Zone Meeting, November, 1910.) THE death of Professor Blake removes the oldest of American economic geologists and mining engineers, and deprives this Institute of one of its, earliest and mos
Sep 1, 1910
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Sand Filling through Pipes and Boreholes
By Lucien Eaton
THE use of filling in mines is less common in the United States than it is in Europe, where in some places it is required by law. In most cases the filling is placed by hand, and the material used for
Jan 1, 1932
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Engineering Standards for Society
By George Otis Smith
A YEAR ago, ,at the Institute's dinner, I closed my A remarks with the words: "The scientist devotes his life to the advancement of learning; the engineer gives his to the advancement of living."
Jan 1, 1929
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Careful Attention Given to Custom Shippers
By F. X. Meyer
THE United States Smelting Refining and Mining Company maintains an ore-purchasing department for procurement of custom tonnages of milling and smelting ores and concentrates for treatment at its Midv
Jan 1, 1948
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Petroleum Facts and Fancies
By F. G. Clapp
IT is to be hoped that no casual reader will erroneously refer to the latest publication' of the Division of Public Relations of the American Petroleum Institute, as being "Petroleum Facts and Fa
Jan 1, 1929
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Industrial Minerals In 1964 – Asbestos
By H. M. Woodroffe, H. K. Conn, S. J. Rice
World production of asbestos is estimated to be at a current level of almost 3.5 million tons, having more than doubled in the past ten years. A substantial part of the increase has been due to a rapi
Jan 2, 1965
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Pan-Amalgamation : An Instructive Laboratory Experiment.
By George W. Riter
Discussion of the paper of H. 0. Hofman and C. R. Hayward, presented at the New Haven Meeting, February, 1909, and printed in Bulletin No. 30, June, 1909, pp. 513 to 529. GEORGE W. RITER, Salt Lake C
Mar 1, 1910
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Drilling – Equipment, Methods and Materials - Laboratory Studies of Formation Damage in Sands Con...
By A. E. Anderson, H. J. Hilll
Laboratory data for 155 field muds and 77 .shales have been used to develop correlations to estimate the net streaming potential component of the SP. Analysis of these data and comparison with field t
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Bituminous Mining Methods
By John L. Schroder
The demands for increased productivity on the 1967 coal industry have generated new operating trends and fresh approaches to old methods, which have enabled the industry to keep pace with the expandin
Jan 2, 1968
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Industrial Section (d513ebf4-d83c-4007-8be2-61a653bf46ff)
Boiler-Room Economy "Establishing and Maintaining Boiler-room Economy" is the title of a paper presented before the Ohio Society of Mechanical Electrical and Steam Engineers by Geo. H. Gibson, of whi
Jan 2, 1916
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Chicago Paper - Discussion of the paper of Mr. Summers on Modern Cupola Practice (see pp. 396, 769)
R. 8. MACPHERRAN, Milwaukee, Wis. (communication to the Secretary): The importance of carbon in pig-iron, as well as the desirability of buying, for some purposes, irons which are high in carbon, has
Jan 1, 1899
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The Treatment of Slime on Vanners
By Rudolf Gahl
SOME time ago the Detroit Copper Mining Co. had to decide the question whether it would pay to re-treat slime-tailings, and several machines were tested in order to ascertain the type of construction
Sep 1, 1909