# FALL OF ROOF OR BACK
> MSHA accident `220030550065` · 01/16/2003 · Hecla Greens Creek 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Hecla Greens Creek Mining Company
- **Mine:** [5001267](https://api.ai-analytics.org/mine/5001267)
## Narrative

A ROUND WAS BLASTED IN 195 S2 STOPE @ 5:00 AM. MINERS RETURNED TO THE STOPE AT 9:30 AM AND DISCOVERED A GROUND FALL 20 FT BACK FROM THE FACE. THE WEDGE FAILURE WAS APPROX 70 FT LONG - 8 FT WID E AND 10 FT HIGH WITH AN APEX GREATER THAN 16 FT. THE GROUND FAILED BEYOND THE EXTENT OF THE GROUND SUPPORT IN THE AREA.

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