Belfrin Extension Mine
From Underfoot
Q49399028
Q49399028
mine in Plumas County, California, United States of America
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | tunnel | Spring Garden Tunnel | railway tunnel | Wikidata | |
mine in Plumas County, California, United States of America
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | tunnel | Spring Garden Tunnel | railway tunnel | Wikidata | |