# SLIP OR FALL OF PERSON
> MSHA accident `220131960031` · 07/08/2013 · Tilden Mining Company L C
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Pumper
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 3
- **Mine experience:** 3.96 years
## Operator
- **Controller:** U.S. Steel Canada; Cliffs Natural Resources Inc
- **Operator:** Tilden Mining Company L C
- **Mine:** [2000422](https://api.ai-analytics.org/mine/2000422)
## Narrative

Employee reported left knee pain after tripping on a chain. He was evaluated on 7/11 and taken off of work.

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