← MSHA mines + accidents
Twin Bridges
Metal/Non-metal · Surface · 0402786 · Abandoned
Operator
- Controller (parent)
- Karen J Hay; William G Hay
- Operator
- Bed Rock Products Inc
- Commodity
- SandAndGravel
Location
- State
- CA · Sonoma Co.
- Coordinates
- 38.701944, -123.4275
- Congressional district
- 01
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown