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MLA 16-89 - Mineral Resources Of The Borah Peak Study Area, Custer County, Idaho ? SummaryBy Michael S. Miller
In 1987 and 1988, at the request of the U.S. Bureau of Land Management, the U.S. Bureau of Mines studied the 3,100-acre Borah Peak Wilderness Study Area (10-047-004) and a 708-acre parcel adjacent to
Jan 1, 1989
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RI 3469 Progress Reports -Metallurgical Division - 32. Ore-Dressing Studies - Properties Of Suspension Mediums For Float-And-Sink Concentration ? Introduction (cc6d15d8-53dc-4d41-9a6a-3ddc1db53433)By F. D. DeVaney
Metallurgists and coal-washing engineers have used heavy liquids for years in studying the characteristics of ores and coal. By such means true separations can be made between the various specific-gra
Jan 1, 1940
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Coal - Minerals Beneficiation - Flotation of Corundum: An Electrochemical InterpretationBy H. J. Modi, D. W. Fuerstenau
pH effectively regulates the flotation of corundum through its control of the surface charge. Since collector ions function as counter ions in the double layer, the collector must be anionic when coru
Jan 1, 1961
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MLA 16-87 - Mineral Resources Of The Little High Rock Canyon Study Area, Humboldt And Washoe Counties, Nevada ? SummaryBy Thomas J. Peters
In 1985, at the request of the U.S. Bureau of Land Management, the U.S. Bureau of Mines studied a 17,320-acre portion of the 52,143-acre Little High Rock Canyon Wilderness Study Area (CA-020-913/NV-02
Jan 1, 1987
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St Joseph Hospital Of Bellingham, Washington Addition Supported On Helical Pulldown MicropilesBy J. L. Goen
The Saint Joseph Hospital of Bellingham is located on a site underlain by glacial outwash. The construction of a five-story tower addition above an existing two-story wing was supported by five large
Jan 1, 2004
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Gold Leaching From A Refractory Gold Concentrate By The Method Of Liquid ChlorinationBy Chao Li, Shuai Wang, Hongxu Li, Lifeng Zhang, Xie Yang
The method of chloride-hypochlorite leaching has the advantages of short process, low pollution and higher in reaction rate compared with the traditional leaching method. In this research, NaCl - NaCl
Jan 1, 2015
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Mineral Resources Of The Antelope Creek Study Area, Phillips County, Montana ? SummaryBy J. Douglas Causey
In 1984, at the request of the Bureau of Land Management, the Bureau of Mines studied 9,600 acres of the 12,350-acre Antelope Creek Wilderness Study Area (MT-065-266) in order to evaluate its mineral
Jan 1, 1986
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Chameleons in northern CanadaBy Robert B. Parsons
"For the fourth time in five years, residents of northern Canada have seen a change in the tax treatment of housing and travel costs. The latest changes announced in December 1990 by the Minister of F
Jan 1, 1991
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Vibration Characteristics on Surface and in Underground Openings from Opencast Mine BlastingBy M. Roy
Safety and stability of underground coal mine workings are always in danger when opencast mines are operating in close proximity. A study was conducted to investigate the level of vibration generated
Jan 1, 2007
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MLA 18-87 - Mineral Resources Of The Dry Valley Rim Study Area, Washoe County, Nevada And Lassen County, California ? SummaryBy J. Mitchell Linne
In 1985, at the request of Bureau of Land Management, the U.S. Bureau of Mines studied a 54,480-acre portion of the 93,205-acre Dry Valley Rim Wilderness Study Area (CA-020-615), in order to evaluate
Jan 1, 1987
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Rail Haulage TransportationOn a worldwide basis trackbound transportation is on the decline. As mining operations progress from open cast operations to underground operations, most utilise mechanised equipment. However, in Sout
Jan 1, 2005
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Unsteady State Heat Transfer Analysis Of Lower Parts Of Blast Furnace With Liquid FlowBy Tsunehisa Nishimura
Stable operation of the blast furnace needs adequate control of the lower part. To clarify the behavior of the lower part of the blast furnace with accurate consideration of the property of slag and i
Jan 1, 2006
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The Copper Deposits Of San Cristobal, Santo DomingoBy Thomas Donnelly
Introduction THE Province of San Cristobal is situated on the south side of the island of Santo Domingo about 25 miles west of Santo Domingo city, the capital of the republic. The copper mineralizati
Jan 8, 1915
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RI 7855 NX Borehole Jack Modulus Determinations in Homogeneous, Isotropic, Elastic MaterialsBy Thomas O. Meyer
Laboratory test results are presented for the determination of elastic modulus made with the NX borehole jack. Determinations were made in massive pieces of aluminum so as to satisfy conditions of lin
Jan 1, 1974
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Rock bolt condition monitoring using ultrasonic guided waves - SynopsisBy B. J. Buys
Rock bolt integrity is a critical issue for the mining industry because of its influence on the safety of mining operations. Guided ultrasonic wave testing of the defects associated with resin-anchore
Jan 1, 2009
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Measurement Systems For Gravity Circuit Performance: A New Approach.By R L. Langak, R A. Heins
The use of differences in specific gravity between minerals to separate them has long been utilized in the extractive industries. The environmental and cost benefits of the commercialized forms of the
Jan 1, 2006
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Coal Preparation Research at Turkish Coal Enterprises (TKI)Coal Preparation Research at Turkish Coal Enterprises (TKI)
Sep 13, 2010
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Optimizing Performance in Heavy Equipment TeleoperationBy Jean-François Lapointe
Many advances have been made concerning the automation of heavy equipment teleoperators such as those found in mining. Complete automation, however, is not achieved yet and the operation of these vehi
May 1, 2001
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The Influence of Geology on Blasthole Deviation"Blasthole deviation is a frequent, well documented and undesirable occurrence in mining operations. It is caused by the drill string mechanics, operating variables and the 'interactionbetween the dri
Jan 1, 1996
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The Effect Of Overburden On Pile Capacity In A Calcareous MarlBy William M. Camp
An extensive design phase testing program in which 10 piles and 2 drilled shafts were instrumented and statically load tested to failure, was undertaken to establish relevant foundation design paramet
Jan 1, 1993