# MACHINERY
> MSHA accident `220261470009` · 05/22/2026 · Sisecam Wyoming, LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** MACHINERY
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Natural Resource Partners LP; Ciner Resources LP
- **Operator:** Sisecam Wyoming, LLC
- **Mine:** [4800154](https://api.morvs.ai/mine/4800154)
## Narrative

Lost incoming power from Rocky Mountain Power. Mine fans were lost and mine was evacuated. Notified MSHA. Power was restored at 7:00pm and miners returned to the mine by 10:30pm. 

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