Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining

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Performance of a novel bump control pillar ex ...
A. A. Campoli
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Last edited by Open Library Bot
December 4, 2010 | History

Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining

  • 0 Ratings
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Publish Date
Language
English
Pages
40

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Book Details


Edition Notes

Bibliography: p. 38.

Published in
Washington, D.C. (2401 E St., N.W., Washington 20241)
Series
Report of investigations ;, 9240, Report of investigations (United States. Bureau of Mines) ;, 9240.

Classifications

Dewey Decimal Class
622 s, 622/.334
Library of Congress
TN23 .U43 no. 9240, TN292 .U43 no. 9240

The Physical Object

Pagination
ii, 40 p. :
Number of pages
40

ID Numbers

Open Library
OL2147959M
LCCN
88600453

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History

Download catalog record: RDF / JSON
December 4, 2010 Edited by Open Library Bot Added subjects from MARC records.
December 4, 2010 Edited by Open Library Bot Added subjects from MARC records.
December 10, 2009 Created by WorkBot add works page