# FALL OF ROOF OR BACK
> MSHA accident `220070160025` · 01/07/2007 · Stillwater Mining Company
## 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Stillwater Mining Company
- **Operator:** Stillwater Mining Company
- **Mine:** [2401490](https://api.ai-analytics.org/mine/2401490)
## Narrative

A footwall wedge was formed by the exposure of the toe of a parallel layer structure. A large block slid out on the calcified infiling between the blocks. It struck a mucker on the side of the engine compartment. The Helena Field Office was notified of the accident and the area was signed off until an MSHA representative could inspect the site on 1/8/07.

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