TY  - BOOK
ED  - National Geographic Society. Cartographic Division
TI  - Great Lakes region of the United States and Canada. -- Escala 1: 2.027.520
PY  - 1953///
CY  - Washington
PB  - National Geographic Magazine
KW  - CANADA - MAPAS
KW  - ESTADOS UNIDOS - MAPAS
KW  - LAGOS - MAPAS
ER  -