# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220072750043` · 09/21/2007 · County Line Quarry LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.52 years
## Operator
- **Controller:** Peter DePaul Irrevocable Combined Trust
- **Operator:** County Line Quarry LLC
- **Mine:** [3600129](https://api.ai-analytics.org/mine/3600129)
## Narrative

Employee stepped on a rock when cleaning a catwalk and injured his knee.

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