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dc.contributor.institutionArthur Lakes Library
dc.contributor.institutionRussell L. and Lyn Wood Mining History Archive
dc.contributor.institutionUnited States. Bureau of Mines
dc.date1900?-1999?
dc.date.accessioned2007-01-03T05:59:53Z
dc.date.available2007-01-03T05:59:53Z
dc.descriptionDate scanned: 2002-7-19.
dc.descriptionFigure 13 Laminated shale roof (draw slate). The layers frequently separate and fall after the underlying coal is mined.
dc.descriptionHeld in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.
dc.descriptionDonor: United States Bureau of Mines.
dc.description.abstractA roof bolt is shown on the shale roof of an unidentified underground mine.
dc.identifierlibimagesU1645
dc.identifier.urihttp://hdl.handle.net/11124/6024
dc.publisherColorado School of Mines. Arthur Lakes Library
dc.rightsRights management statement available at: http://library.mines.edu/digital/rights.html
dc.subjectMine supports
dc.subjectScenes, underground
dc.subjectUnderground mining
dc.titleLaminated shale roof (draw slate)
dc.typePhotograph


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