Johnson, E. W.2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/5935Date scanned: 2002-5-23.USBM #60272; String of drill tools - 8-inch churn-drill bit attached - used in process of making a 15-inch pilot hole for a 7-foot diameter air shaft from surface at Spies-Virgil Mine, The Cleveland-Cliffs Iron Company, Iron River, Michigan. (Note bailer suspended alongside of drill tools.) (Layne-Northwest Company, Drilling contractors.) - E. W. Johnson - March 27, 1945.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.The Spies-Virgil underground mine near Iron River in the Menominee Iron Range was operated by the Cleveland-Cliffs Iron Company.Rights management statement available at: http://library.mines.edu/digital/rights.htmlCleveland-Cliffs Iron CompanyIron mines and miningMiningUnderground miningStillImage