Big Sally Barber F7T Mine
From Underfoot
Q49399847
mine in Summit County, Colorado, United States of America
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| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | mine | Orphan Boy mine | silver mine, gold mine | Wikidata | |
| site | tunnel | 1979 | Eisenhower Tunnel | Colorado Department of Transportation, road tunnel | Wikidata |
