Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome vehicle outdoor car black and white SI Neg. CCC-2706. Date: na....New Mine car at Mine No. 206 Side View.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2706. Date: na....New Mine car at Mine No. 206 Side View.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) |