← MSHA mines + accidents
J R Rock
Metal/Non-metal · Surface · 3503649 · Abandoned
Operator
- Controller (parent)
- Johnnie Summers
- Operator
- J R Rock Inc
- Commodity
- Stone
Location
- State
- OR · Washington Co.
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown