| Feature Name: | Black River Swamp
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| Feature Type: | swamp
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| State: | Michigan
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| County: | Alpena
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| County Population: | 31314
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| County Housing Units: | 15289
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| County Size: | 574.15 Square Miles
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| Latitude: | 44.87278
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| Longitude: | -83.38028
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| Map Cell Name: | Spruce
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| Geographic Keywords: | Black,
Swamp
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