TY  - BOOK
ED  - National Geographic Society. Cartographic Division
TI  - The making of Canada: prairie provinces. -- Escala 1
PY  - 1994///
CY  - Washington
PB  - National Geographic Magazine
KW  - ALBERTA - MAPAS
KW  - CANADA - MAPAS
KW  - GEOGRAFIA HISTORICA
KW  - MANITOBA - MAPAS
KW  - SASKATCHEWAN - MAPAS
ER  -