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    Guam Index 2005

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    Guam Geography - 2005

      Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines

      Geographic coordinates:
      13 28 N, 144 47 E

      Map references:

      total: 549 sq km
      land: 549 sq km
      water: 0 sq km

      Area - comparative:
      three times the size of Washington, DC

      Land boundaries:
      0 km

      125.5 km

      Maritime claims:
      territorial sea: 12 nm
      exclusive economic zone: 200 nm

      tropical marine; generally warm and humid, moderated by northeast trade winds; dry season from January to June, rainy season from July to December; little seasonal temperature variation

      volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south

      Elevation extremes:
      lowest point: Pacific Ocean 0 m
      highest point: Mount Lamlam 406 m

      Natural resources:
      fishing (largely undeveloped), tourism (especially from Japan)

      Land use:
      arable land: 9.09%
      permanent crops: 16.36%
      other: 74.55% (2001)

      Irrigated land:

      Natural hazards:
      frequent squalls during rainy season; relatively rare, but potentially very destructive typhoons (June - December)

      Environment - current issues:
      extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species

      Geography - note:
      largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean

      NOTE: The information regarding Guam on this page is re-published from the 2005 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Guam Geography 2005 information contained here. All suggestions for corrections of any errors about Guam Geography 2005 should be addressed to the CIA.

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    Revised 16-Feb-06
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