# SLIP OR FALL OF PERSON
> MSHA accident `220260300010` · 01/22/2026 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from ladders
- **Occupation:** Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** GROUND
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ANKLE
- **Days lost:** 18
- **Mine experience:** 2.77 years
## Operator
- **Controller:** Core Natural Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.morvs.ai/mine/4800977)
## Narrative

The employee was dismounting the drill from the offside ladder. When on the last rung of the ladder, EE's foot slipped off and when EE landed on the uneven ground EE felt a pop in EE's ankle.

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