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Ncleo Atapuerca TD. Ncleo de Slex procedente del nivel TD del yacimiento de Gran Dolina en Atapuerca Burgos Espaa se data en unos aos Lithic core in flint its comes from the bed TD of Gran dolina in Atapuerca Burgos Spain and it is dated circa years Nuclus de silex il provien de l'excavation du niveau TD de Gran Dolina Atapuerca