puits (1) pierre (1) état (1) Amérique du Sud (1) fleuve (1) recherche (1) élimination (1) région (1) datation (1) méthode (1) information technique (1) abords (agglomération) (1) Amérique du Sud (1) Brésil (1) Development (1) Implements (1) Selection (1) Article (1) Area (1) Dating (1) Methods (1) Surveys (1) Antiquities, Prehistoric (1) Area (1) Technique (1) Uruguay River (1) Will (1) Uma (1) Tools (1) Surveys (1)