# FALL OF ROOF OR BACK
> MSHA accident `220103230009` · 11/16/2010 · Hecla Limited
## 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:** Hecla Mining Company
- **Operator:** Hecla Limited
- **Mine:** [1000088](https://api.ai-analytics.org/mine/1000088)
## Narrative

A rockburst occurred during the dayshift blasting time. It caused a section of the back in 54 ramp to come out. the section was approximately 6' high x 14' long x 8' wide. It was blocking the roadway in the drift.

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