← MSHA mines + accidents
Irwin Thomas
Metal/Non-metal · Surface · 0505167 · Intermittent
Operator
- Controller (parent)
- George Zadel
- Operator
- Northern Colorado Constructors
- Commodity
- SandAndGravel
Location
- State
- CO · Boulder Co.
- Coordinates
- 40.149776, -105.082293
Source
- Authoritative
- MSHA Mine Data Retrieval System
- Machine
- JSON-LD · Markdown