# SLIP OR FALL OF PERSON
> MSHA accident `220052770029` · 09/23/2005 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.25 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3304279](https://api.ai-analytics.org/mine/3304279)
## Narrative

Employee was dismounting D-5 dozer, slipped on dozer track and twisted his knee.

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