# MACHINERY
> MSHA accident `220111330017` · 05/12/2011 · Rosebud Mining Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** 0
- **Mine experience:** 0.23 years
## Operator
- **Controller:** J Clifford  Forrest III
- **Operator:** Rosebud Mining Company
- **Mine:** [3609464](https://api.ai-analytics.org/mine/3609464)
## Narrative

WHEN BOLTING X-CUT 1-0 THE 1ST BOLT BEING INSTALLED WAS THE CORNER BOLT ON THE OPERATOR SIDE OF THE TWIN HEAD BOLTER. THE OPERATOR DRILLED THROUGH A POT CAUSING THE POT TO BECOME LOOSE AND STRIKING THE OPERATOR IN THE HEAD AND SHOULDER

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