# IMPOUNDMENT
> MSHA accident `220153140028` · 11/03/2015 · Stillwater Mining Company
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** IMPOUNDMENT
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Stillwater Mining Company
- **Operator:** Stillwater Mining Company
- **Mine:** [2401490](https://api.ai-analytics.org/mine/2401490)
## Narrative

On 11/3/2015 - it was discovered that a section of the 650'slope (approx 25-30' high x 80-90' long x 7' thick) approx. 350' from the south end of the portal pad had sluffed. No persons or equipment were affected. At time of notification, we called MSHA to notify them of this situation.

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