Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome black and white SI Neg. CCC-2863. Date: 2/8/1928....Face of Room Ready For Shot 205 Mine.Face of Room ready for shot, 205 mine.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2863. Date: 2/8/1928....Face of Room Ready For Shot 205 Mine.Face of Room ready for shot, 205 mine.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) |