White Island, New Hampshire
White Island, New Hampshire | ||
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Waters | Atlantic Ocean | |
Geographical location | 42 ° 58 ′ N , 70 ° 37 ′ W | |
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Residents | uninhabited |
White Island is an uninhabited rocky island two kilometers east of the coastal city of Portsmouth in the US state of New Hampshire . On the island there is only a lighthouse built in 1821 , which is supposed to secure the entrance to Portsmouth Harbor .