# MACHINERY
> MSHA accident `220111530020` · 05/24/2011 · Dana Mining Company of Pennsylvania LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 3
- **Mine experience:** 0.23 years
## Operator
- **Controller:** GenPower Holdings LP; James L  Laurita Jr
- **Operator:** Dana Mining Company of Pennsylvania LLC
- **Mine:** [3609326](https://api.ai-analytics.org/mine/3609326)
## Narrative

The bolter operator was prying down loose rock from the top.  Some of that rock landed on the canopy of the bolter.  When the canopy was moved, the rock fell from the machine and hit the injured employee in the middle of the back.

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