| The Columbia Gazetteer of North America. 2000. |
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| Grenville Channel |
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| Grenville Channel (55 mi/89 km long, 1 mi/2 km wide), W B.C., Canada, separating Pitt Isl. from mainland. |
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| | | The Columbia Gazetteer of North America. Copyright © 2000 Columbia University Press. |
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