← MSHA mines + accidents
O'Brien Pit
Metal/Non-metal · Surface · 2402219 · Intermittent
Operator
- Controller (parent)
- Raymond T O'Brien
- Operator
- RMR Aggregate Inc
- Commodity
- SandAndGravel
Location
- State
- MT · Pondera Co.
- Coordinates
- 48.170278, -111.946111
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown