2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/68122 copies. USBM #43713; Copy #1: 4 1/2 x 6 1/2 in; Steel door for fire control and air control. Note gunited sides and concrete doorframe; Copy #2: 6 x 8 in.; Figure 15 Steel fire and ventilation door and concrete frame. Montreal Mine is near Hurley, Wisconsin.Date scanned: 2002-08-26.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 miner stands in a fire and ventilation door at the Montreal Mine. The Montreal Mine was an underground iron mine in the Gogebic Range near Montreal, Wisconsin. The Mine was in operation by the 1880s with other early mines in the Range, and closed by the late 1960s. It was one of the deepest iron mines in the world. The Mine was operated by the Montreal Mining Company, which was reportedly incorporated around 1894.Rights management statement available at: http://library.mines.edu/digital/rights.htmlIron mines and miningMinersUnderground miningStillImage