Pan American Institute of Geography and History. Committee on Special Maps. Canada. Mapping and Charting Establishment. North Decimal Degree -12.453056. South Decimal Degree -20.331944. East Decimal Degree -34.801667. West Decimal Degree -81.322222. Bipolar oblique conformal conic projection. Ancillary maps: Islas Galapagos del Ecuador. Verso: "Caminos censados en Brasil." Notes on map general purpose.