# FALL OF ROOF OR BACK
> MSHA accident `220080110032` · 12/29/2007 · Bridger Coal 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** MidAmerican Energy Holdings Company; IDACORP
- **Operator:** Bridger Coal Company 
- **Mine:** [4801646](https://api.ai-analytics.org/mine/4801646)
## Narrative

The top is falling out 9? to 12? out in front of the tips shields #1 thru #5.  Top falling high, started out at or about the horizon of the anchor point of the original bolts.   #1 shield tipped over 1/3 to ? from being on its side.   We installed ?I? beams, cable bolts, truss bolts, square sets, rok-props.  However the fall kept flushing higher and higher.

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