# MACHINERY
> MSHA accident `220021910013` · 06/28/2002 · Cheyenne Elkhorn Coal Co Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 22
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Henry  Chaney Jr
- **Operator:** Cheyenne Elkhorn Coal Co Inc
- **Mine:** [1517993](https://api.ai-analytics.org/mine/1517993)
## Narrative

WHILE DRILLING A HOLE FOR ROOF BOLT IN #4 ENTRY A PIECE OF DRAW ROCK FELL STRIKING THE EMPLOYEE ON THE BACK.

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