# FALL OF ROOF OR BACK
> MSHA accident `220220910001` · 03/24/2022 · Wolf Run Mining 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Wolf Run Mining LLC
- **Mine:** [4604168](https://api.ai-analytics.org/mine/4604168)
## Narrative

An unintentional roof fall was discovered on the 52 Zone airway in the #9 entry at 46-47 blk. This was a continuation of a previous fall that occurred on 12/19/2019. No injuries occurred with no damage to any ventilation, equipment or escapeways. Additional roof support has been set with all surrounding approaches dangered off.  

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