Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
739,488
Of which fatal
3,112
Years on record
1983–2026
Classifications
20
Filters 2 active
Time period
Experience at time of incident

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The record

4 matching records

Showing all 4
June 17, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Mission Valley Rock, LLC · Unclassified, insufficient data

It appears that an employee experienced a personal medical event while at work as they were found unconscious leaning into a parked and shut off service truck. Employee was transported to a hospital after EMS reviewed EKG results.

September 12, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Mission Valley Rock, LLC · Bodily reaction, (Not Elsewhere Classified)

Employee was walking up a flight of stairs at the C-106 conveyor to replace a bearing when ee felt a pain in lower right leg. The injury was reported to the Plant Manager on 9-13-17 and the Injured employee was taking to an Occupational Medical Clinic were ee was diagnosed with a strained muscle/tendon to lower right leg.

July 6, 1993 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Mission Valley Rock, LLC · Struck by flying object

EMPLOYEE WAS WALKING THROUGH PLANT-QUARRY-WIND WAS BLOWING DUST IN EYES IN AM 7-7-93 REALIZED HE HAD SOMETHING STILL IN RIGHT EYE.

August 8, 1991 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
Mission Valley Rock, LLC · (Not Elsewhere Classified)

RUNNING LAB SAMPLES OF ROCK ALL DAY FELL TO GROUND SOME SORT OF SEISURE

Showing all 4