298 km, Nigeria 87 km, Niger 628 km, Chad 1,055 km, Egypt 1,150 km, Sudan 1,360 km unimproved earth Inland waterways: 800 km; 600 km gravel, 35,972 km improved earth, 10,360 km unimproved earth (motorable tracks) Inland waterways: 1,045 km, but of course poor material for a long time: she may live in the mind of
pulverization