# FALL OF ROOF OR BACK
> MSHA accident `220120790028` · 03/14/2012 · Double Bonus Coal Company
## 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:** Mechel Oao
- **Operator:** Double Bonus Coal Company
- **Mine:** [4609020](https://api.ai-analytics.org/mine/4609020)
## Narrative

A roof fall above anchorage was discovered in the Mains Intake Air Course at Survey Station 266 approximately 6000 feet from the Mains Section. The roof fall measured approximately 20' wide by 20' long by 5' high. All approaches have been dangered off and cribbed.

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