Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome vehicle train locomotive black and white SI Neg. CCC-3269L. Date: 9/29/1941....Photos of Millstone, Ky. Houses & Mine Plant (8 negatives).RR Car loading track.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-3269L. Date: 9/29/1941....Photos of Millstone, Ky. Houses & Mine Plant (8 negatives).RR Car loading track.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) |