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Barrow, Alaska |
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Alert, Northwest Territories, Canada |
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Bismark, North Dakota |
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Caribou, Maine |
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Niwot
Ridge, Colorado |
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Nashville, Tennesee |
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Mace
Head, Ireland |
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l'Observatoire de |
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Arosa, Switzerland |
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Mauna
Loa, Hawaii |
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Cape
Kumukahi, Hawaii |
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Ragged
Point, Barbados |
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Samoa, Pacific Ocean (United States) |
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Huancayo,
Peru |
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Perth, Australia |
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Cape
Grim, Tasmania, Australia |
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Halley
Bay, Antartica |
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Amundson
Station, South Pole (United States) |
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