# MACHINERY
> MSHA accident `220120690055` · 03/01/2012 · Marfork Coal Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Tramming
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 1.35 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Marfork Coal Company, LLC
- **Mine:** [4608315](https://api.ai-analytics.org/mine/4608315)
## Narrative

While backing bolter out #6 entry, there was a rock in the roadway in the intersection. The bolter was trammed onto the rock and when the machine dropped off the rock it jolted the employee's lower back. Employee was transported to CAMC General Division for evaluation.

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