# FALL OF ROOF OR BACK
> MSHA accident `220130910019` · 03/22/2013 · Castle Valley Mining LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Continuous miner helper, Coal mole helper, Bridgeman
- **Activity:** Move power cable
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 23
- **Mine experience:** 1.46 years
## Operator
- **Controller:** Rhino Resource Partners LP
- **Operator:** Castle Valley Mining LLC
- **Mine:** [4202335](https://api.ai-analytics.org/mine/4202335)
## Narrative

The continuous miner had started into a left hand turn on the second lift off the pillar. A roof fall approx. 22'x 25' ranging in thickness from 12"" to 22"" occurred, striking the employee causing injury to his right knee.

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