# SLIP OR FALL OF PERSON
> MSHA accident `220132210019` · 08/02/2013 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 29.85 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [1301225](https://api.ai-analytics.org/mine/1301225)
## Narrative

EE was in the underground shop working on the scaler, EE tripped on the mono-rail and fell to the ground. EE landed on his left knee cause the fracture to the patella.

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