← MSHA mines + accidents
Roberson Quarry
Metal/Non-metal · Surface · 1301500 · Abandoned
Operator
- Controller (parent)
- Martin Marietta Materials Inc
- Operator
- Martin Marietta Aggregates
- Commodity
- Stone
Location
- State
- IA · Story Co.
- Congressional district
- 03
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown