| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| North Channel |
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| strait, c.75 mi (120 km) long, between Northern Ireland and Scotland, connecting the Irish Sea with the Atlantic Ocean. It is 13 mi (21 km) across at its narrowest point. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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