# FALL OF ROOF OR BACK
> MSHA accident `220121460023` · 05/16/2012 · Troy Mine Inc.
## 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:** Revett Silver Company
- **Operator:** Troy Mine Inc.
- **Mine:** [2401467](https://api.ai-analytics.org/mine/2401467)
## Narrative

3:35pm it was determined ground had fallen above the anchorage zone of bolts located at A64O xc. 3:48pm the condition was reported to MSHA.A squared up round was shot consisting of a right rib slab and floor. Previous inspections of the area did not show reason to install additional ground support beyond our normal bolting plan.

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