← MSHA mines + accidents
Hartl Gravel Pit
Metal/Non-metal · Surface · 3200840 · Abandoned
Operator
- Controller (parent)
- Leo G. Swanson
- Operator
- Swanson Gravel
- Commodity
- SandAndGravel
Location
- State
- ND · Ramsey Co.
- Coordinates
- 48.071944, -98.741667
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown