# Mine accident
> MSHA accident `220040610122` · 09/04/2003 · Tilden Mining Company L C
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** —
- **Accident type:** No Value Found
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 207
- **Mine experience:** 21.54 years
## Operator
- **Controller:** U.S. Steel Canada; Cliffs Natural Resources Inc
- **Operator:** Tilden Mining Company L C
- **Mine:** [2000422](https://api.ai-analytics.org/mine/2000422)
## Narrative

AS EE WAS CROUCHING DOWN TO TIGHTEN THE BOTTOM BOLT ON THE PUMP WITH A 3/4"" IMPACT, HE FELT HIS RIGHT KNEE MOMENTARILY LOCK UP. EE WAS EVALUATED BY A DR & SURGERY WAS DONE 2/24/04.

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