# FALL OF ROOF OR BACK
> MSHA accident `220062430058` · 08/25/2006 · Teck Cominco American 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:** Teck Resources Limited
- **Operator:** Teck Cominco American Inc
- **Mine:** [4500366](https://api.ai-analytics.org/mine/4500366)
## Narrative

A fall of ground (approx. 10'wide x 10' long x 3' thick) occured at the intersection of the A-4 sump and 900 roadway. Our Geology dept. has concluded the area contained a mixture of striped coarse and fine grained dolomite with a layer of calcite on the bedding contact. No injuries The  affected area has been scaled and further ground support needs are under evaluation.

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