# FALL OF ROOF OR BACK
> MSHA accident `220110910001` · 03/30/2011 · Peabody Twentymile Mining 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Peabody Energy Corporation
- **Operator:** Peabody Twentymile Mining LLC
- **Mine:** [0503836](https://api.ai-analytics.org/mine/0503836)
## Narrative

An unplanned roof fall occurred in the 16th Left longwall tailgate located in the No. 1 entry of the 17-Left Return at crosscut #198+12, MMU-009-0 at approximately 6:30am March 30, 2011. No employees were involved. The tailgate blockage plan was implemented and in place March 29, 2011 at 12:00.

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