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Stress control methods help to optimize underground mine designBy Mark Lawshe, Shosie Serata
The conventional method of mining underground, using narrow rooms and wide pillars, has proven to be poorly adapted to the powerful earth forces that act on underground openings. The high costs of roo
Jan 1, 1989
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RI 3658 Progress Report – Metallurgical - 53 - Possible Substitutes for Nickel in the Present Five-cent coinBy C. Travis Anderson
"Nickel is an essential metal in stainless steel, armor plate, and nickel steels and also in nonferrous alleys, such as monel metal and cupre-nickel, which are used in marine service. Nickel is one of
Aug 1, 1942
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RI 3860 Examination & Treatment of Industrial Magnesium Foundry WastesBy O. C. Garst
"The lightness and relatively high strength per unit weight of certain magnesium alloys have interested designing engineers for many years. Ever since the noted investigator Bunsen3/ first produced th
Mar 1, 1946
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Washington D.C. Annual Meeting - February, 1882Jan 1, 1882
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Annual Meeting, Washington, D. C., February 1882LOCAL COMMITTEE OF ARRANGEMENTS. Major J. W. Powell, Chairman; F. P. Dewey. Secretary; S. F. Emmons, A. S. Hewitt, J. P- Hilgard, Charles Knap, and F. W. Taylor. THE opening session was held in
Jan 1, 1882
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Development Of Alternative Techniques For Matte Level Measurements In Sulphide Smelting FurnacesBy B. van Beek, J. Ndlovu, K. T. Hara, J. M. A. Geldenhuis
This paper describes the development of an alternative technique for measuring the matte level height in sulphide smelting furnaces. The initial studies involved applying electrochemical oxygen probes
Jan 1, 2004
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AECL's Mine-By Experiment - From Concept To ConstructionThe Canadian concept for nuclear fuel waste disposal is being assessed by AECL Research in a series of experiments at its Underground Research Laboratory (URL) near Lac du Bonnet. Manitoba, Canada. As
Jan 1, 1991
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RI 3901 Gasification of Lignite & Subbituminous Coal for 1944By E. C. Yeager, E. O. Wagner, A. W. Koth, V. F. Parry, J. B. Goodman, D. G. Gernes, W. L. Patty
"In July 1943, the Bureau of Nines received an appropriation to investigate the beneficiation of Minnesota iron ores through the use of lignite. The broad objective was to find a way to link the large
Jun 1, 1946
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RI 3761 History of Water Flooding of Oil Sands in KansasBy Peter Grandone
"INTRODUCTION The injection of water into partly depleted-oil-bearing formations as a means of supplying additional energy to flow oil wells now is recognized by the petroleum industry as an effective
Jul 1, 1944
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Subject Index to Bureau of Mines Publications from July 1, 1990 to January 1, 1960 - Subject Index A-C"A bed, British Columbia, Canada, coal, carbonizingproperties B 510Pa., coal, washing characteristics RI 4941A' bed, Pa., coal, washing characteristics RI 4834"
Jan 1, 1960
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OFR-13-78 Engineering & Economic Evaluation Underspoil Haulage In Area Strip Coal Mines - Part IIBy Joseph L. Jordan
Coal is essential to America?s future energy needs. To meet these needs mining methods must be safe, economical, and environmentally acceptable. Belt conveyor systems for coal haulage from surface min
Jan 1, 1977
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RI 3577 Underground Transportation Of Coal - Progress Report 2. ? Introduction (30b70ef5-6952-4d5f-a97e-6a2bb0d47a26)By Albert L. Toenges
[The i~ ortance o~ S3~e, fdequnt, nQ economical tr~n~po~t~t on 8ys~em Th~a bee~ e~~~~siz8d by the introduction of mechanical loading in co 1 mines, pa.rticula:c y \'r~ e::-e ~o?oile loaciine; ~ac
Jan 1, 1941
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RI 3577 Underground Transportation Of Coal - Progress Report 2. ? IntroductionBy Albert L. Toenges
[The i~ ortance o~ S3~e, fdequnt, nQ economical tr~n~po~t~t on 8ys~em Th~a bee~ e~~~~siz8d by the introduction of mechanical loading in co 1 mines, pa.rticula:c y \'r~ e::-e ~o?oile loaciine; ~ac
Jan 1, 1941
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OFR-134-78 Electromagnetic Guided Waves In Mine Environments - Proceedings Of A WorkshopA unity of viewpoint emerged from the workshop. The concept that transmission is via characteristic modes was a common theme in many of the presentations. Also, the confusion an the meaning of monofil
Jan 1, 1978
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RI 4839 Flammability Of Mixtures Of Individual Paraffin-Hydrocarbon Gases With Air And Added Nitrogen At Subatmospheric PressuresBy G. S. Scott
Safety problems in the mining and allied industries have led the Bureau of Mines to investigate over a period of years; the flammability (explosibility) of many types of combustible atmospheres princi
Jan 1, 1952
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Washington Paper - Biographical Notice of Thomas Egleston, Ph.D., LL.D.By George F. Kunz
Jan 1, 1902
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Presidential Address: Truth and Error in Scientific PublishingBy R. T. Jones
"SynopsisScientific progress relies on the publication of ideas and experimental results that can be replicated, tested, and improved over time. The first printed book on metallurgy to have been publi
Jan 1, 2015
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Introduction (90afc43a-9bbf-49a4-ad96-7149f61d31b5)Research 84 highlights significant studies conducted during the past fiscal year at Bureau facilities and offices. Readers who want more information about the projects and studies summarized here can
Jan 1, 1984
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OFR-37-85 Analysis Of Recharge To An Underground Lead-Zinc Mine, Coeur D'Alene Mining District, IdahoBy Joel A. Hunt
The Bunker Hill Mine, located in north Idaho, consists of over 150 miles of passageways within highly fractured and faulted Precambrian metamorphosed rocks. The Bunker Hill Mine was at one time a majo
Jan 1, 1984
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Jackling Gets Saunders MedalBy AIME AIME
SCRIPTURE, statistics and imagination all were drawn upon by the speakers who acclaimed Daniel C. Jackling as recipient of the William Lawrence Saunders Gold Medal for 1930. The award was made at a sp
Jan 1, 1930