← MSHA mines + accidents
Jefferson Portable
Metal/Non-metal · Surface · 2401867 · Abandoned
Operator
- Controller (parent)
- Jefferson County
- Operator
- Jefferson County
- Commodity
- SandAndGravel
Location
- State
- MT · Jefferson Co.
- Congressional district
- 01
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown