# MACHINERY
> MSHA accident `220190500050` · 02/12/2019 · United States Gypsum Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** HEAD,NEC
- **Days lost:** 0
- **Mine experience:** 3 years
## Operator
- **Controller:** USG Corporation
- **Operator:** United States Gypsum Company
- **Mine:** [0400915](https://api.ai-analytics.org/mine/0400915)
## Narrative

Dozer operator was attempting to reach the crest of recently shot material. The dozer operator took an aggressive angle and did not see the oversize material in path. The dozer tracks started sliding sideways in a downward motion until the right track came into contact with oversize rocks causing the dozer to tip onto side.

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