# FALL OF ROOF OR BACK
> MSHA accident `220072190013` · 07/31/2007 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey
- **Activity:** Handling explosives
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 3.38 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [1300014](https://api.ai-analytics.org/mine/1300014)
## Narrative

EE was fixing a slab shot that was drilled through causing excess Dyno Ap to fall through the holes. As he picked up a stick of explosives, several rocks fell above him, ranging from the size of 30"" to 1"". The EE quickly moved to avoid the falling rocks but was struck on the back of his right hand causing a small laceration requiring 4 stitches.

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