← MSHA mines + accidents
Langley Hill Quarry
Metal/Non-metal · Surface · 0400170 · Active
Operator
- Controller (parent)
- Michael W Dempsey; Patrick K Dempsey
- Operator
- Langley Hill Quarry
- Commodity
- Stone
Location
- State
- CA · San Mateo Co.
- Coordinates
- 37.336111, -122.247778
- Congressional district
- 12
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown