# FALL OF ROOF OR BACK
> MSHA accident `220180360021` · 01/26/2018 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Utility man, Errand boy, Service truck operator
- **Activity:** Machine maintenance
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 356
- **Mine experience:** 5.83 years
## Operator
- **Controller:** ERP Compliant Fuels, LLC
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

Employee was placing the trolley pole back onto the trolley wire when a rock fell from the mine roof and struck the employee in the right side of head and back.

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