2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/7820Date scanned: 2002-08-26.USBM #17472; Figure 10 Gibbs self-contained 2-hour oxygen breathing apparatus, cover removed.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.A miner wearing a breathing apparatus stands with his back at an angle to the viewer at an unidentified location.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMine safetyMinersStillImage