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dc.contributor.authorPetersen, Max S.
dc.date1946-08
dc.date.accessioned2007-01-03T06:01:53Z
dc.date.accessioned2022-02-03T09:24:20Z
dc.date.available2007-01-03T06:01:53Z
dc.date.available2022-02-03T09:24:20Z
dc.identifierlibimagesU859b
dc.identifier.urihttp://hdl.handle.net/11124/7516
dc.descriptionDate scanned: 2002-6-19.
dc.descriptionUSBM #64073 Portable switch house, enclosing ground-fault-protection equipment. (Used on branch circuits to each shovel). Mahoning Mine, Pickands, Mather & Company, Hibbing, Minnesota. - M. S. Petersen - August 1946.
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 small portable switch house labeled "54" is shown by rails at the Mahoning Mine. The Mahoning Mine is an open pit iron mine in the Mesabi Range, St. Louis County, Minnesota. It started shipping ore in 1895. The Mahoning Mine is part of the Hull Rust Mahoning operations of a series of connected open pit iron mines near Hibbing, Minnesota. The Mine group became one of the most important iron ore producers in the US in the 1940s. The present pit was being operated by the Hibbing Taconite Company as of 2004 and is reputed to be the world's largest open pit iron mine.
dc.publisherColorado School of Mines. Arthur Lakes Library
dc.rightsRights management statement available at: http://library.mines.edu/digital/rights.html
dc.subjectPickands, Mather and Company
dc.subjectIron mines and mining
dc.subjectMine buildings
dc.subjectOpen pit mining
dc.titleMahoning Mine, portable switch house
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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