← MSHA mines + accidents
Columbia Quarry
Metal/Non-metal · Surface · 2700232 · Abandoned
Operator
- Controller (parent)
- Polycor Inc
- Operator
- Rock Of Ages Corp
- Commodity
- Stone
Location
- State
- NH · Coos Co.
- Coordinates
- 44.910186, -71.416774
- Congressional district
- 02
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown