# MACHINERY
> MSHA accident `220140580016` · 02/21/2014 · Oak Grove Resources LLC
## 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, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** 0
- **Mine experience:** 0.75 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Oak Grove Resources LLC
- **Mine:** [0100851](https://api.ai-analytics.org/mine/0100851)
## Narrative

Employee was roofbolting. A bolt bent and slipped off canopy hitting the employee above the right eyebrow causing a concussion.

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