# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220030230026` · 01/09/2003 · N R Hamm Quarry LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Drill helper
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 4
- **Mine experience:** 1.28 years
## Operator
- **Controller:** N R  Hamm
- **Operator:** N R Hamm Quarry LLC
- **Mine:** [1401471](https://api.ai-analytics.org/mine/1401471)
## Narrative

EMPLOYEE WAS WALKING AROUND EQUIPMENT ON QUARRY LEDGE AND STEPPED ON A ROCK HURTING HIS LEFT KNEE.

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