# FALL OF ROOF OR BACK
> MSHA accident `220010170002` · 01/11/2001 · —
## 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** —
- **Operator:** —
- **Mine:** [1102997](https://api.ai-analytics.org/mine/1102997)
## Narrative

AN UNINTENTIONAL ROOF FALL OCCURRED IN THE 4 WAY INTERSECTIONAL ENTRY 27 & 50 PT. THE 2ND MAIN EAST. THE FALL 30' LONG 20' WIDE AND 6' THICK, DID NOT OF IMPREDE TRAVEL BUT DID AFFECT VENTILATI ON IN THE RETURN AIRQUISE. THE STEPPING LINE IS BEING MOVED OVER TO RESTABLISH A GOOD RETURN AIRCOURSE, THE TOP WAS SUPPORTED BY 4 BLUE AND 6' POSBLOCK BOLTS AND CRIBBED OFF. DEVOLPMENT RATE

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