Cutter roof failure : six case studies in the Northern Appalachian Coal Basin /
Enregistré dans:
Auteur principal: | |
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Format: | Inconnue |
Langue: | anglais |
Publié: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
[1990]
|
Collection: | Information circular (United States. Bureau of Mines) ;
9266. |
Sujets: | |
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MARC
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100 | 1 | 0 | |a Bauer, Eric R. |
245 | 1 | 0 | |a Cutter roof failure : |b six case studies in the Northern Appalachian Coal Basin / |c by Eric R. Bauer. |
260 | 0 | |a [Washington, D.C.] : |b U.S. Dept. of the Interior, Bureau of Mines, |c [1990] | |
300 | |a 18 p. : |b ill., map | ||
490 | 1 | |a Information circular ; |v 9266 | |
650 | 0 | |a Mine roof control. | |
650 | 0 | |a Coal mines and mining |z Appalachian Region. | |
830 | 0 | |a Information circular (United States. Bureau of Mines) ; |v 9266. | |
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