# SLIP OR FALL OF PERSON
> MSHA accident `220171920004` · 06/29/2017 · Elam Sand and Gravel
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.06 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Elam Sand and Gravel
- **Mine:** [0504296](https://api.ai-analytics.org/mine/0504296)
## Narrative

Employee was exiting the cab of the water truck when employee felt employee's left knee pop.

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