# FALL OF ROOF OR BACK
> MSHA accident `220112090052` · 04/04/2011 · 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

Roof fall was found on a normal weekly exam of the Box Cut Intake airways. Block 12 @ spad #3677 ""old #1 section track entry"". Fall is in an intersection 18' wide, 25' long, 4 1/2' thick. Bolted with 4' resin bolts - Bolts pulled out approx. 6"" sandstone main roof - Slate top fell.

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