région (1) modèle (1) histoire (1) débit (1) champ (1) évolution (1) datation (1) âge (1) méthode (1) profession (1) Mexique (1) Variation (1) Civilization (1) History (1) Area (1) Dating (1) Antiquities, Prehistoric (1) Lava flows (1) Labor (1) Area (1) Volcanoes (1) Surfaces (1) Records (1) Preparedness (1) Population (1) Prehistoric peoples (1) Lava (1) Indians of Mexico (1) Indians of Central America (1) Impact (1)