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    Johnston Atoll Geography - 1991

      Total area: 2.8 km2
      land area: 2.8 km2

      Comparative area: about 4.7 times the size of The Mall in Washington, DC

      Land boundaries: none

      Coastline: 10 km

      Maritime claims:
      Contiguous zone: 12 nm
      Continental shelf: 200 m (depth)
      Exclusive economic zone: 200 nm
      Territorial sea: 12 nm

      Climate: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation

      Terrain: mostly flat with a maximum elevation of 4 meters

      Natural resources: guano (deposits worked until about 1890)

      Land use: arable land 0%; permanent crops 0%; meadows and pastures 0%; forest and woodland 0%; other 100%

      Environment: some low-growing vegetation

      Note: strategic location 1,328 km west-southwest of Honolulu in the North Pacific Ocean, about one-third of the way between Hawaii and the Marshall Islands; Johnston Island and Sand Island are natural islands; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS)

      NOTE: The information regarding Johnston Atoll on this page is re-published from the 1991 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Johnston Atoll Geography 1991 information contained here. All suggestions for corrections of any errors about Johnston Atoll Geography 1991 should be addressed to the CIA.

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    Revised 08-Feb-03
    Copyright © 2003 Photius Coutsoukis (all rights reserved)