# FALL OF ROOF OR BACK
> MSHA accident `220232410019` · 08/24/2023 · 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:** [4609261](https://api.morvs.ai/mine/4609261)
## Narrative

A non-injury roof fall occurred in the #9 entry just inby spad #333 on the 39B #2 section.  The fall measured approximately 60' long X 20' wide X 9' high.

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