# FALL OF ROOF OR BACK
> MSHA accident `220140490016` · 01/29/2014 · 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Mammoth Coal Co.
- **Mine:** [4608159](https://api.ai-analytics.org/mine/4608159)
## Narrative

An unexplained roof fall (slip) occurred. No equipment, entrapment, or Airways were interrupted. The Slip was 5' wide X 4.5' thick and 15' long. The location of the slip was at break 217 on #12 belt. This fall was not above anchorage, but the current MSHA inspector felt we should report it.

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