2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/6624Date scanned: 2002-06-27.Plan of underground powder storage. Scale: 1/8-inch = 1-ft. Oliver Iron Mining Co., Vermillion District, Ely, Minn. Sept. 3, 1942.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 Oliver Iron Mining Company was organized in 1892 and 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 CompanyExplosivesMiningUnderground miningPlan of underground powder storageStillImage