← MSHA mines + accidents
Silverlake Gravel
Metal/Non-metal · Surface · 3901611 · Intermittent
Operator
- Controller (parent)
- John Grosz Sr; John Grosz Jr
- Operator
- Silverlake Gravel
- Commodity
- SandAndGravel
Location
- State
- SD · Clark Co.
- Coordinates
- 44.784722, -97.735833
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown