# FALL OF ROOF OR BACK
> MSHA accident `220092670017` · 09/16/2009 · 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:** [4609030](https://api.ai-analytics.org/mine/4609030)
## Narrative

An Unintentional roof occurred on the (004 MMU) 4 Mains section in the 110 pillar block #5 entry inby spad #952 in the #3 lift, resulting in the Company #17 remote control continuous mining machine being caught by mine roof.

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