Pre-Columbian earth-builders settled along the entire southern rim of the Amazon oleh Jonas Gregorio de Souza, Denise Pahl Schaan, Mark Robinson, Antonia Damasceno Barbosa, Luiz E. O. C. Aragão, Ben Hur Marimon Jr., Beatriz Schwantes Marimon, Izaias Brasil da Silva, Salman Saeed Khan, Francisco Ruji Nakahara, José Iriarte