# FALL OF ROOF OR BACK
> MSHA accident `220131930026` · 06/11/2013 · Knight Hawk Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** WRIST
- **Days lost:** 79
- **Mine experience:** 1.46 years
## Operator
- **Controller:** Arch Coal Inc.; Franklin D.  Robertson; James O.  Bunn
- **Operator:** Knight Hawk Coal LLC
- **Mine:** [1103205](https://api.ai-analytics.org/mine/1103205)
## Narrative

While bolting, a rock measuring 12 inches by 6 inches by 3 inches fell out and struck the employee in the right wrist. Employee stayed on the job until 7/11/2013 when his DR. gave him larger restrictions.

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