← MSHA mines + accidents
Mattson Pit
Metal/Non-metal · Surface · 2100636 · Abandoned
Operator
- Controller (parent)
- Frisk Maynard
- Operator
- Ulven Gravel Company Inc
- Commodity
- SandAndGravel
Location
- State
- MN · Clay Co.
- Congressional district
- 07
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown