| Feature Name: | Sentinel Island
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| Feature Type: | island
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| State: | Colorado
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| County: | Summit
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| County Population: | 23548
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| County Housing Units: | 24201
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| County Size: | 608.16 Square Miles
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| Latitude: | 39.59972
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| Longitude: | -106.06528
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| Map Cell Name: | Frisco
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| Geographic Keywords: | Sentinel
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