Von Humboldt Mine
From Underfoot
Q49457132
mine in Sierra County, California, United States of America
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Location: 39.4686, -120.7483, KML, Cluster Map, Maps,
1 places
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Alpha Hydraulic Diggings ⓘ
former gold mine
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | mine | Alpha Hydraulic Diggings | gold mine | Wikidata | |