# FALL OF ROOF OR BACK
> MSHA accident `220202620024` · 09/14/2020 · Allegheny Metallurgical, 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:** American Metals & Coal International Inc.; POSCO-NCR Coal Ltd; JAZ Ventu
- **Operator:** Allegheny Metallurgical, LLC
- **Mine:** [4609447](https://api.ai-analytics.org/mine/4609447)
## Narrative

A roof fall occurred approximate 15' wide by 20' long and 5-6' in height, Just before raise drill pilot hole punched through, water migrated through rock strata and settle in swag of roof, and started draining before roof fell in.  Just outby raise bore area.

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