# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220070990003` · 04/04/2007 · Holliday Sand & Gravel Company Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 79
- **Mine experience:** 25 years
## Operator
- **Controller:** List & Clark Construction Company
- **Operator:** Holliday Sand & Gravel Company Inc
- **Mine:** [2300695](https://api.morvs.ai/mine/2300695)
## Narrative

Employee was walking up a slope by a conveyor when he slipped on some rock and strained his left knee.

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