2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/9817Date scanned: 2002-7-3.Head clearance.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.Illustration of underground trolley operator being struck in the back of the head by a chute with insufficient head clearance.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMine accidentsMiningStillImage