# FALL OF ROOF OR BACK
> MSHA accident `220220350015` · 01/27/2022 · Twin State Mining, Inc.
## 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:** Cleveland-Cliffs Inc
- **Operator:** Twin State Mining, Inc.
- **Mine:** [4609496](https://api.morvs.ai/mine/4609496)
## Narrative

An unintentional roof fall has occurred in the face of the number 5 entry inby spad 3708, involving MMU 004-0 Continuous Miner. The fall area was approximately 10' wide, 15' long and 6' in height. the fall pulled 6 roof bolts.

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