# IMPOUNDMENT
> MSHA accident `220122340035` · 08/15/2012 · Bedrock Resources, LLC
## 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Darryl C  Lanker
- **Operator:** Bedrock Resources, LLC
- **Mine:** [0801146](https://api.ai-analytics.org/mine/0801146)
## Narrative

Sub-surface cavity collapsed beneath dragline causing it to sink into cavity with a twisting motion causing substantial damage to the structure of the machine

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