# SLIP OR FALL OF PERSON
> MSHA accident `220082900031` · 08/13/2008 · Heidelberg Materials Midwest Agg, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Midwest Agg, Inc.
- **Mine:** [1200068](https://api.ai-analytics.org/mine/1200068)
## Narrative

While working under haul truck, he lost his balance and fell with all his weight on the left knee landing on a small rock. Never reported because he did not believe it would still hurt 1 1/2 months later. Treatment received 10/3/08 making this now reportable.

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