746a 1958 Sou SANTIAGO (CHILE) REGION 1958. Southern South America. Compiled and drawn... for The National Geographic Magazine... Washington, D.G., The National Geographic Society, 1958. Color. 1:6.652,800. 63 x 48 c. Proyección trimétrica Chamberlin. (Atlas plate 28). Recuadros: A. Montevideo,- B, Buenos Aires.- C. Santiago,