# FALL OF ROOF OR BACK
> MSHA accident `220113250067` · 06/29/2011 · Big River 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:** Coal Field Transports, Inc.
- **Operator:** Big River Mining LLC
- **Mine:** [4609136](https://api.ai-analytics.org/mine/4609136)
## Narrative

A roof fall occurred at Block#137 Track entry/#6 entry in a intersection plus approx. 15' each way past the rib line of cross-cut. Roof was slate-fell approx. 8' H. X 18"" W. approx. 45' to 50' in L. Area had been bolted with 6' torque tension bolts.  Area was developed approx. 9/1/2008.

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