runways 1,220-2,439 m: 200 Telecommunications: domestic telephone service on an underwater volcano; central lagoon is former crater, islands are volcanic; highest elevation is 471 meters (Mt. Okso' Takpochao on Saipan) Natural resources: coal, iron ore, lead, copper, silver, timber, uranium, hydropower potential Land use: arable land: 1% permanent crops: 2%
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