Carte pliée du monde physique centré sur le pacifique éditée par UBD Gregory's. Description de l'éditeur :This UBD/Gregory's World Physical Map is a physical, Pacific centred, Mercator projection map. It has an equatorial scale of 1:40 000 000. One side shows the complete world map, the other side has an extensive index that covers country flags, countries, cities and towns. The map also shows world time zones.