# FALL OF ROOF OR BACK
> MSHA accident `220023430020` · 12/04/2002 · Lone Mountain Processing 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1502263](https://api.ai-analytics.org/mine/1502263)
## Narrative

A ROOF FALL OCCURED ONT HE 003 PILLAR SECTION THAT MEASURED APPROX. 20'X40'X5' IT FELL OUTBY THE MOBILE ROOF SUPPORTS APPROX. 20'. THE FALL WAS INBY #47 CROSSCUT OF THE 3LEFT PANEL OF NORTH MA INS. THIS AREA HAD BEEN SUPPORTED WITH 5' RESINGBOLTS, AND SUPPLEMENTED WITH 9' SUPER BOLTS.

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