# SLIP OR FALL OF PERSON
> MSHA accident `220120650002` · 08/26/2011 · Mercer Stone Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 12
- **Mine experience:** 7.15 years
## Operator
- **Controller:** Mark  Mathis
- **Operator:** Mercer Stone Company
- **Mine:** [1500067](https://api.ai-analytics.org/mine/1500067)
## Narrative

Injured slipped cleaning rock from chute. Said he twisted right knee but it was not hurting enough for attention. On 11/9/11 injured said knee was bothering him and went to Dr. Dr. told him to give it time and it may heal itself. Continued to hurt, returned to Dr on 2/29/12, Dr scheduled medical procedure, on 2/29/12, management became aware of the reportable injury.

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