# SLIP OR FALL OF PERSON
> MSHA accident `220193040019` · 08/21/2019 · Terra Firma Materials LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.19 years
## Operator
- **Controller:** Oscar  Cuellar; Nancy  Cuellar Davenport
- **Operator:** Terra Firma Materials LLC
- **Mine:** [4104706](https://api.ai-analytics.org/mine/4104706)
## Narrative

As employee proceeded to check a feeder EE stepped on uneven ground and stepped wrong and EE's knee popped.  

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