2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/10568Date scanned: 2002-7-9.Figure 6 Side channel in borehole.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.A side channel in a borehole at an unidentified underground site is shown.Rights management statement available at: http://library.mines.edu/digital/rights.htmlStillImage