Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/7504Date scanned: 2002-6-19.USBM #64057; Timbering -- illustrates temporary method of supporting post in position until it can be otherwise secured. This device, which is made from a section of 3-inch pipe, is locally called a "devil's foot". Armour #1 Mine, Inland Steel Company, Ironton, Minnesota. - M. S. Petersen - August 1946.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 Armour #1 Mine, an underground iron mine near Crosby, Minnesota was operated by the Inland Steel Company.Rights management statement available at: http://library.mines.edu/digital/rights.htmlInland Steel CompanyIron mines and miningMine timberingScenes, undergroundUnderground miningStillImage