# FALL OF ROOF OR BACK
> MSHA accident `220092710057` · 09/15/2009 · KNOTT COUNTY COAL 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:** International Coal Group Inc (ICG)
- **Operator:** KNOTT COUNTY COAL LLC
- **Mine:** [1519323](https://api.ai-analytics.org/mine/1519323)
## Narrative

Pressure on roof and floor was causing the roof to sag and bottom to hoove up in the area. Dangered off the area and allowed an intentional roof fall to occur to relieve the pressure off the adjacent entries and crosscuts. The intentional roof fall was 80' inby spad 455 and was approx 120' long and 19.5' wide.

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