| Feature Name: | Highland Silver Lake
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| Feature Type: | reservoir
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| State: | Illinois
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| County: | Madison
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| County Population: | 258941
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| County Housing Units: | 108942
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| County Size: | 725.02 Square Miles
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| Latitude: | 38.76444
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| Longitude: | -89.69806
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| Elevation: | 500
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| Map Cell Name: | Grantfork
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| Geographic Keywords: | Highland,
Silver
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