# MACHINERY
> MSHA accident `220021060033` · 04/11/2002 · Cook & Sons Mining Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 21
- **Mine experience:** 0.17 years
## Operator
- **Controller:** Michael K  Cook; Randy A  Cook
- **Operator:** Cook & Sons Mining Inc
- **Mine:** [1518287](https://api.ai-analytics.org/mine/1518287)
## Narrative

EMPLOYEE WAS BOLTING TOP AT THE TIME OF THE ACCIDENT. HE WAS SWINGING BOOM TO PUT UP MIDDLE BOLT WHEN HE LET THE BOOM DOWN ON HIS LEFT KNEE.

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