| Feature Name: | Altamont Reservoir
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| Feature Type: | reservoir
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| State: | Illinois
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| County: | Effingham
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| County Population: | 34264
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| County Housing Units: | 13959
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| County Size: | 478.7 Square Miles
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| Latitude: | 39.03167
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| Longitude: | -88.715
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| Map Cell Name: | Altamont East
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| Geographic Keywords: | Altamont
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