# FALL OF ROOF OR BACK
> MSHA accident `220110070044` · 12/21/2010 · Advent Mining LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Set or remove brattice
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.94 years
## Operator
- **Controller:** Chester M  Thomas
- **Operator:** Advent Mining LLC
- **Mine:** [1518547](https://api.ai-analytics.org/mine/1518547)
## Narrative

Employee was kneeling on the ground to nail up a curtain when a rock fell from between the rib and the first row of bolts striking him on the knee, contusion of the right knee.

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