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dc.date1900?-1999?
dc.date.accessioned2007-01-03T05:58:58Z
dc.date.accessioned2022-02-03T09:23:34Z
dc.date.available2007-01-03T05:58:58Z
dc.date.available2022-02-03T09:23:34Z
dc.identifierlibimagesU125
dc.identifier.urihttp://hdl.handle.net/11124/6625
dc.descriptionDate scanned: 2002-08-26.
dc.descriptionUSBM #43737; Emergency dam, looking toward the inside of the mine. Overhead are shown creosoted timbers with tools attached ready to pull them down into place for immediate use. One section of track can be taken up and one section of trolley wire taken down. Other tools for immediate use are shown standing next to the wall. The remaining timbers for this emergency dam are piled 50 ft. inside the dam. Cliffs Shaft is in Marquette County, Michigan.
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.abstractThe Cliffs Shaft Mine in Ishpeming in the Marquette Range was the largest producer of hard specular hematite in the US. The Cliffs Shaft Mine (New Barnum Mine) was opened by the Iron Cliffs Company in 1881 and operated by the Cleveland-Cliffs Iron Company starting in 1891. The Mine was one of Michigan's largest iron mines and operated almost continuously until its closure in 1967. Cleveland-Cliffs Iron Company was formed with the merger of two major iron mining companies on Michigan's Marquette Range in 1891. The Company had a number of mines operating in the Upper Peninsula by the outbreak of World War I. By the 1940s the high grade iron ores mined underground were becoming depleted. The Company developed a process to concentrate low grade ores into iron ore pellets in the 1950s, and C.C.I.C.'s last underground iron mine closed in 1979.
dc.publisherColorado School of Mines. Arthur Lakes Library
dc.rightsRights management statement available at: http://library.mines.edu/digital/rights.html
dc.subjectCleveland-Cliffs Iron Company
dc.subjectIron mines and mining
dc.subjectMine timbering
dc.subjectScenes, underground
dc.subjectUnderground mining
dc.titleCliffs Shaft emergency dam
dc.typeStillImage
dc.contributor.institutionArthur Lakes Library
dc.contributor.institutionRussell L. and Lyn Wood Mining History Archive
dc.contributor.institutionUnited States. Bureau of Mines


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