| Feature Name: | Exit 12
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| Feature Type: | crossing
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| State: | West Virginia
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| County: | Berkeley
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| County Population: | 75905
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| County Housing Units: | 32913
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| County Size: | 321.14 Square Miles
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| Latitude: | 39.44333
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| Longitude: | -77.98972
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| Map Cell Name: | Martinsburg
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| Geographic Keywords: | Exit
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