Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/10571O-48 - Wheel block for use in car-repair shops. District shops, Hibbing-Chisholm district, Minnesota. July 1945 - M. S. Petersen.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.Date scanned: 2002-07-9.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMachinery and equipmentStillImage