# SLIP OR FALL OF PERSON
> MSHA accident `220091870021` · 06/29/2009 · Black Hills Bentonite-A Limited Liability Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 1
- **Mine experience:** 11.08 years
## Operator
- **Controller:** Thomas A  Thorson
- **Operator:** Black Hills Bentonite-A Limited Liability Co
- **Mine:** [4800987](https://api.ai-analytics.org/mine/4800987)
## Narrative

EE was doing maintenance on a screw when EE tripped on a small propane canister and fell approximately 5 feet into a hole in the decking, causing bruising and trauma to the left rib cage.

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