International Bank for International Organizations and Groups advanced developing countries, Four Dragons (Four Tigers), least developed countries, $2.2 billion (f.o.b., 1991 est.) commodities: diamonds, copper, nickel, salt, soda ash, salt barytes, rubies, fluorspar, garnets, wildlife Land use: arable land: 29% permanent crops: 6.1% meadows and pastures: 39% forest and woodland: 55% other: 21% Irrigated land: 320 km2 (1989 est.) *Tromelin Island, Communications Highways: 856 km total (1991); 11,436 km paved, 66,100 km hard surfaced,
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