← MSHA mines + accidents
Humboldt Mill
Metal/Non-metal · Surface · 2003420 · Abandoned
Operator
- Controller (parent)
- Rio Tinto Group
- Operator
- Kennecott Eagle Land LLC
- Commodity
- Metal
Location
- State
- MI · Marquette Co.
- Coordinates
- 46.468115, -87.73489
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown