# SLIP OR FALL OF PERSON
> MSHA accident `220021820024` · 06/27/2002 · Northwest Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Miner, NEC
- **Activity:** Walking, Running
- **Injury source:** WORKING SURF OUTSIDE,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** Northwest Aggregates
- **Mine:** [3500525](https://api.ai-analytics.org/mine/3500525)
## Narrative

RUNNING TO TUNNEL 7 TO OPEN FEEDER DOOR, LOST FOOTING & TWISTED LEFT KNEE.

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