Northern Mariana Islands/Northern Islands
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Farallon de Pajaros
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Asuncion Island
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Agrihan Island
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Pagan Island
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Alamagan Island
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Guguan Island
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Zealandia Bank
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Sarigan Island
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Anatahan Island
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Farallon de Medinilla
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Maug Islands
Small masonry work .. in Northern Mariana Islands Northern Islands ...