← MSHA mines + accidents
Johnson Sand & Gravel
Metal/Non-metal · Surface · 2500271 · Abandoned
Operator
- Controller (parent)
- Roland W Johnson
- Operator
- Johnson Sand & Gravel Corp
- Commodity
- SandAndGravel
Location
- State
- NE · Polk Co.
- Congressional district
- 03
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown