# MACHINERY
> MSHA accident `220211190011` · 04/21/2021 · Sierra Minerals, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Hand tools (powered)
- **Injury source:** POWER SAW
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 0
- **Mine experience:** 0.33 years
## Operator
- **Controller:** Sierra Resources, LLC; Elli M Mills
- **Operator:** Sierra Minerals, LLC
- **Mine:** [0405951](https://api.ai-analytics.org/mine/0405951)
## Narrative

Employee was trimming timber with an electric chainsaw. The chainsaw became bound up and kicked back. The employee was struck with the chain above left elbow.

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