# FALL OF ROOF OR BACK
> MSHA accident `220040780001` · 03/04/2004 · Martin Marietta Aggregates
## 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:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [1202176](https://api.ai-analytics.org/mine/1202176)
## Narrative

Roof fall occurred near the west portal resting on the canopy in place to protect from such an event. Once the Canopy was removed the roof came down indicating that the fall had occurred above the  full resin bolt anchorage zone!

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