Mining Incidents

Boca Quarry Metal/Non-Metal

Controlled by Henry Matoza Jr
Nevada County, CA  ·  Abandoned
MSHA Mine ID: 0404748

MSHA record for Boca Quarry (mine ID 0404748). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
6
Years on record
1988–1990
Latest incident
Jan 1990
No fatalities recorded at this mine.

Reportable incidents

6 on file

1990 · 1 incident

1989 · 1 incident

1988 · 4 incidents

September 14, 1988 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Hillsdale Rock Company · Caught in, under or between (Not Elsewhere Classified)

EMPLOYE SLIPPED WHILE REPAIRING LOADER BUCKET & CRUSHED HIS FINGER WITH LOADING LOCK

January 29, 1988 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Hillsdale Rock Company · Fall to the walkway or working surface

EMPLOYEE LEFT CAR ENGINE RUNNING AND WAS WAHSING WINDOW WHEN AUTO SLIPPED INTO FEAR AND TOOK OFF EMPLOYEE FELL WHILE CHASING HER AUTO

For insurers, brokers, and safety consultants

The full compliance file on Boca Quarry

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.