# HANDLING OF MATERIALS
> MSHA accident `220100190039` · 01/09/2010 · Black Hills Energy
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Handling supplies or material
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 0
- **Mine experience:** 0.77 years
## Operator
- **Controller:** Black Hills Corp
- **Operator:** Black Hills Energy
- **Mine:** [4800083](https://api.ai-analytics.org/mine/4800083)
## Narrative

Rolled left ankle while cleaning windows on the #290 scraper.  Employee was taking a small step down when his ankle rolled.

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