| Feature Name: | 7D Tunnel
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| Feature Type: | mine
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| State: | Colorado
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| County: | Routt
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| County Population: | 19690
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| County Housing Units: | 11217
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| County Size: | 2361.59 Square Miles
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| Latitude: | 40.83806
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| Longitude: | -106.9225
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| Map Cell Name: | Hahns Peak
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| Geographic Keywords: | 7d,
Tunnel
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