# FALL OF ROOF OR BACK
> MSHA accident `220143100004` · 10/28/2014 · Mammoth Coal Co.
## 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:** Alpha Natural Resources, Inc.
- **Operator:** Mammoth Coal Co.
- **Mine:** [4609221](https://api.ai-analytics.org/mine/4609221)
## Narrative

An unexplained roof fall occurred on the #1 MMU 002-0 miner section. The area was in #5 entry, between break #6, SPAD #9169, and break #7, at spad #9191. The fall was approx. 60'long x 18'wide x 5' to 8' thick

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