# SLIP OR FALL OF PERSON
> MSHA accident `220143560017` · 12/13/2014 · Pinto Valley Mining Corp.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Froth cell operator, Flotation mill operator, Concetrator operator
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 2.5 years
## Operator
- **Controller:** Capstone Copper Corp
- **Operator:** Pinto Valley Mining Corp.
- **Mine:** [0201049](https://api.ai-analytics.org/mine/0201049)
## Narrative

Employee slipped off headerline while changing valve and strained his left knee

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