# SLIP OR FALL OF PERSON
> MSHA accident `220230870004` · 03/10/2023 · Greenbrier Minerals, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.56 years
## Operator
- **Controller:** Coronado Coal LLC
- **Operator:** Greenbrier Minerals, LLC
- **Mine:** [4609563](https://api.ai-analytics.org/mine/4609563)
## Narrative

EE was bolting top when a piece of rock slid off of the operator's canopy and struck EE in the left foot. The EE states EE twisted EE's knee pulling EE's foot out from under the rock.

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