Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/7006Date scanned: 2002-6-21.O-112; Fire extinguisher and gas mask unit, installed in underground section of belt-conveyor system. Spruce Mine, Oliver Iron Mining Company, Eveleth, Minnesota (Virginia-Eveleth District) - M. S. Petersen - July 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.A fire extinguisher and gas mask equipment are mounted on a timbered wall underground at the Spruce Mine. The Spruce Mine (Adams-Spruce Mine) iron deposits were discovered on the future site of Evelith, Minnesota in the Virginia-Evelith district. The Adams Mining Company was formed to exploit them in 1892. The Adams-Spruce mines were worked as both underground and open pit mines. The Spruce Mine was later operated by the Oliver Iron Mining Company. The Oliver Iron Mining Company was organized in 1892 to mine deposits in the Mesabi Range near Virginia, Minnesota. The Company acquired mineral properties elsewhere 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 CompanyIron mines and miningMine safetyScenes, undergroundUnderground miningStillImage