# FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
> MSHA accident `220160080017` · 12/22/2015 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Power shovel, Dragline
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** NECK
- **Days lost:** 0
- **Mine experience:** 17.77 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [3603122](https://api.ai-analytics.org/mine/3603122)
## Narrative

Employee was using 385 excavator to pull down material from a 50 ft bench. A single 5-6 tn boulder which had been contained within the face of the material above, toppled off the top while the operator was swinging the excavator. The rock struck the tracks first, then upward into the front end of the cab. Case just became reportable when employee needed to seek physical therapy.

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