# FALL OF ROOF OR BACK
> MSHA accident `220070100015` · 01/09/2007 · Northern Star (Pogo) LLC
## 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 Corp
- **Operator:** Northern Star (Pogo) LLC
- **Mine:** [5001642](https://api.morvs.ai/mine/5001642)
## Narrative

About 600 tons of material fell from the back of an inactive mining area.  Initial observations indicate that ground support bolts installed were not long enough for the actual ground conditions.  It is estimated that an area about 20'X50'X6' fell.  There were no injuries or equipment damage.

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