Road map of Chad from IGN, France’s national survey organization, with colouring & graphics indicating different types of terrain & vegetation. The network of rivers & seasonal streams is presented in some detail, with many smaller rivers named. The mountainous northern part of the country is shown with contours, names of many geographical features & locations of wells. Road network differentiates between permanent & seasonal roads & tracks. Driving distances are shown on main routes in the southern part & on most routes across northern Chad. Different types of airports are indicated according to the tonnage of aircraft able to land there. The map also shows hospitals & medical facilities, religious centres, & selected tourist accommodation. Latitude & longitude at intervals of 2º are shown in the margins & by ticks on the map itself. Map legend is in French only. Please note: this map was published in 1968, with information on the administrative division of the country updated in 1974.