# SLIP OR FALL OF PERSON
> MSHA accident `220132830183` · 09/11/2013 · Knife River Corporation - North Central
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Walking, Running
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.13 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River Corporation - North Central
- **Mine:** [3200950](https://api.ai-analytics.org/mine/3200950)
## Narrative

Injured employee tripped in a low spot caused by build up on a catwalk and sprained his ankle.

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