# HANDLING OF MATERIALS
> MSHA accident `220090980011` · 04/03/2009 · Johnson County Aggregates LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Getting on or off equipment
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1.77 years
## Operator
- **Controller:** Ash Grove Cement Company; Clarkson Construction Company
- **Operator:** Johnson County Aggregates LLC
- **Mine:** [1400068](https://api.ai-analytics.org/mine/1400068)
## Narrative

While operator was climbing down from screen, he hit his tailbone on a lifting hook.

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