| Feature Name: | Halfmoon Swamp
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| Feature Type: | swamp
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| State: | Pennsylvania
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| County: | Mercer
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| County Population: | 120293
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| County Housing Units: | 49859
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| County Size: | 671.82 Square Miles
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| Latitude: | 41.36472
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| Longitude: | -80.22083
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| Map Cell Name: | Jackson Center
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| Geographic Keywords: | Halfmoon,
Swamp
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