# FALL OF ROOF OR BACK
> MSHA accident `220210640001` · 02/23/2021 · Marshall County Coal Resources, Inc.
## 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, Inserting bolt
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 176
- **Mine experience:** 11 years
## Operator
- **Controller:** ACNR Holdings, Inc
- **Operator:** Marshall County Coal Resources, Inc.
- **Mine:** [4601437](https://api.ai-analytics.org/mine/4601437)
## Narrative

A fully trained miner was installing a roof bolt when a piece of rock fell from the rib came down and struck them in the side of the knee. The injury was not the result of any compliance issues nor were any protective guards involved.

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