Keywords: dinosaurs nature exhibits smithsonian probably public domain probablypublicdomain SI Neg. 77-7327. Date: 1977...Sabertoothed Tiger, Ice Age Hall, National Museum of Natural History ..Credit: Chip Clark (Smithsonian Institution) SI Neg. 77-7327. Date: 1977...Sabertoothed Tiger, Ice Age Hall, National Museum of Natural History ..Credit: Chip Clark (Smithsonian Institution) |