| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Houghton-le-Spring |
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(h ´t n-l -spr ng, hou´) (KEY) , town (1991 pop. 35,337), Sunderland metropolitan district, NE England. Once a coal mining center, it is now a market town. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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