# SLIP OR FALL OF PERSON
> MSHA accident `220121020045` · 01/11/2012 · Lone Mountain Processing LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from ladders
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 40
- **Mine experience:** 0.52 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1518647](https://api.ai-analytics.org/mine/1518647)
## Narrative

Employee was standing on a ladder hanging a high voltage line when the ladder twisted causing him to fall approximately 7 feet to the mine floor injuring his right knee.  He began missing work on 3/27/2012 to have surgery for a meniscal tear.

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