# FALL OF ROOF OR BACK
> MSHA accident `220252390001` · 08/20/2025 · Sunrise Coal, LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Hallador Energy Company
- **Operator:** Sunrise Coal, LLC
- **Mine:** [1202394](https://api.ai-analytics.org/mine/1202394)
## Narrative

It is believed that water deteriorated the immediate roof causing it to fail, then allowing the upper strata to become unstable and overcome the supplemental roof support that had been installed causing the roof fall.  

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