# FALL OF ROOF OR BACK
> MSHA accident `220071450018` · 05/23/2007 · Energy West 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** MidAmerican Energy Holdings Company
- **Operator:** Energy West Mining Company
- **Mine:** [4200121](https://api.ai-analytics.org/mine/4200121)
## Narrative

A roof fall occurred on the 16th West retreating longwall headgate entry, inby crosscut 34. The fall was approx. 20 feet wide by 20 feet long, approx. 2 to 4 feet high. The roof sagged down on the stage loader impeding travel. Primary support was 7 foot resin bolts with additional 10 foot cable bolts between each row of bolts. Additional supports were installed in the area.

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