# MACHINERY
> MSHA accident `220070870020` · 03/25/2007 · Genwal Resources Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 71
- **Mine experience:** 1 years
## Operator
- **Controller:** Robert E  Murray
- **Operator:** Genwal Resources Inc
- **Mine:** [4201715](https://api.morvs.ai/mine/4201715)
## Narrative

while roof bolting in 3rd north development section which has a height of 56 inchs operator strained low back muscle while installing roof bolts.

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