Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/104942 copies. O-100 - Dressing dipper teeth with air hammer. (Note chain guard to stop flying particles). General shops, Oliver Iron Mining Co., Virginia-Eveleth District. July 1945 - M. S. Petersen.Date scanned: 2002-7-9.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.Two miners dress dipper teeth using an air hammer at the Oliver Iron Mining Company general shops. The Oliver Iron Mining Company was organized in 1892 to manage the Missabe Mountain Mine in the Mesabi Range near Virginia, Minnesota. The Company acquired a number of mineral properties in Minnesota and in the Upper Peninsula. By 1901 the Company was a division of United States Steel Corporation.Rights management statement available at: http://library.mines.edu/digital/rights.htmlOliver Iron Mining CompanyMinersMiningStillImage