# FALL OF ROOF OR BACK
> MSHA accident `220121380020` · 05/14/2012 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

Employees were bolting according to our plan, when they heard the roof start to work. They went to ask there supervisor for guidance, and upon their return to the bolter, the roof had fallen onto the bolter. The Safety Manager was called at 0709 that morning (14 MAY)

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*