1983 Edition
CIA World Factbook 1983 (Internet Archive)
Geography
Airfields
346 total, 302 usable; 187 with permanent-surface runways; 2 with runways over 3,659 m, 54 with runways 2,4403,659 m, 101 with runways 1,2202,439 m
Civil air
93 major transport aircraft
Pipelines
crude oil, 3,497 km; refined products, 1,828 km; natural gas, 260 km
Ports
9 major, 79 minor
Telecommunications
fair domestic telephone service where available, good internal microwave links; telegraph facilities widespread; AM broadcast adequate; international radio communications adequate; 2.6 million telephones (0.4 per 100 popl.); about 174 AM stations at 80 locations, 17 TV stations; domestic satellite system for communications and TV; submarine cable extends to