# MACHINERY
> MSHA accident `220022690004` · 09/18/2002 · Martin Marietta Materials Incorporated
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Mine manager, Mine foreman, Mine owner
- **Activity:** Supervise
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HEAD,NEC
- **Days lost:** —
- **Mine experience:** 2.5 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Incorporated
- **Mine:** [0103187](https://api.ai-analytics.org/mine/0103187)
## Narrative

EMPLOYEE WAS HIT ON THE HEAD WITH A ROCK (20-25 LB) THAT WAS SLUNG OFF THE CRUSHER SCREEN. HE RECEIVED A SLIGHT CONCUSSION & A LACERATION TO THE FOREHEAD THAT REQUIRED 10 STITCHES.

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