Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome black and white SI Neg. CCC-2005. Date: 5/29/1921....214 Stock Coal Fire.No 214 Stock Coal Fire.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2005. Date: 5/29/1921....214 Stock Coal Fire.No 214 Stock Coal Fire.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) |