Results 101 to 110 of about 3,166,101 (180)
Applied SciencesThe repeated extraction of coal seams in the Loess Plateau mining region has greatly increased the severity of surface deformation and associated damage.
Junlei Xue +6 more
doaj +1 more source
Coal operator mining facts - 2001 [PDF]
In 2001, a total of 2,144 coal mining operations reported employment to the Mine Safety and Health Administration (MSHA). Coal mines comprised 14.7% of all mining operations. Bituminous mines comprised 92.0% (n=1,972) and anthracite mines 8.0% (n=172) of
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Coal and metal/nonmetal mining facts - 2008 [PDF]
"Mining Operations: Data obtained from the Mine Safety and Health Administration (MSHA) indicated 2,129 active coal (14.3%) and 12,778 metal/nonmetal (85.7%) mining operations. 1. There were 26 states reporting coal mining operations.
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, 1988 "October, 1988."EXECUTIVE SUMMARY -- BASIS FOR THE STUDY -- THE KANSAS COAL MINING INDUSTRY -- UTILITY COAL MARKET IN KANSAS -- INDUSTRIAL COAL MARKET -- COMMERCIAL, RESIDENTIAL, EXPORT POTENTIAL -- COMPETITIVE ANALYSIS -- THE OUTLOOK FOR KANSAS COAL ...
J.E. Sinor Consultants, Inc.
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Organized Labor and Restructuring: Coal Mining in the Czech Republic and Romania (in English) [PDF]
The authors examine the role of organized labor in the restructuring experience of two coal-mining regions in the Czech Republic and Romania in the 1990s.
Delia Ionascu, Byeongju Jeong, Jan Bruha
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Have Prices of Internationally Traded Steam Coal been Marginal Cost Based? [PDF]
During 2007 and 2008 steam coal prices soared to unprecedented levels. Since then much has been speculated about the drivers of these price peaks. This paper is concerned with the costs of steam coal allocation in the seaborne market and their influence ...
Trueby, Johannes, Paulus, Moritz
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Coal contractor mining facts - 2004 [PDF]
"The Mine Safety and Health Administration (MSHA) defines an independent contractor as "any person, partnership, corporation, subsidiary of a corporation, firm, association or other organization that contracts to perform services or construction at a ...
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Coal mining industry in the provinces of Chikuzen and Buzen, Kyushu, the
, 1911 Six charts and 1 map (55 x 41 cm. folded to 15 x 21 cm.)
Chikuho Coal Mining Association
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Numerical Study on the Mechanical Behavior of Surrounding Rock in Deep Coal Seams under Fluidization Mining. [PDF]
ACS OmegaWei M, Xiao L, Kang J, Gao K.
europepmc +1 more source
Intelligent coal mining: An approach to generating optimal Shearer's cutting trajectories. [PDF]
Sci ProgLiang Y +9 more
europepmc +1 more source