# IMPOUNDMENT
> MSHA accident `220172080019` · 07/25/2017 · Hibbing Taconite Company
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** IMPOUNDMENT
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Mittal-US Steel Canada-Cliffs Natural Resources
- **Operator:** Hibbing Taconite Company
- **Mine:** [2101600](https://api.ai-analytics.org/mine/2101600)
## Narrative

PC490 backhoe & D-11 CAT were draining trapped water on north side of surface dump. D-11 was pushing the ditch material away from trench over dump edge when berm began to fall away & trees in front toppled over.  Both operators left area immediately. The dump edge sloughed along with the trapped water.

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