| Feature Name: | Black Rock Creek
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| Feature Type: | swamp
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| State: | Massachusetts
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| County: | Essex
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| County Population: | 723419
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| County Housing Units: | 287144
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| County Size: | 500.67 Square Miles
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| Latitude: | 42.99917
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| Longitude: | -70.82611
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| Map Cell Name: | Hampton
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| Geographic Keywords: | Black
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