# MACHINERY
> MSHA accident `220042460017` · 08/23/2004 · Black Wolf Coal Company Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** DISLOCATION
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 12
- **Mine experience:** 0.69 years
## Operator
- **Controller:** Severstal Resources
- **Operator:** Black Wolf Coal Company Inc
- **Mine:** [3608746](https://api.ai-analytics.org/mine/3608746)
## Narrative

While bolting, his drill steels became stuck inside the chuck and together. When attempting to pull them apart the employee separated his right shoulder.

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