2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/6851Date scanned: 2002-7-2.Valve safety.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 miners working on pipe, with one man being struck in the head by a piece of machinery.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMine accidentsMiningStillImage