Mining Incidents

Quarry #4 Metal/Non-Metal

Contra Costa County, CA  ·  Abandoned
MSHA Mine ID: 0404732

MSHA record for Quarry #4 (mine ID 0404732). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

Watch this mine

Email me when a new MSHA incident is filed at Quarry #4.

Fatalities
0
Total incidents
2
Years on record
1985–1986
Latest incident
Mar 1986
No fatalities recorded at this mine.

Reportable incidents

2 on file

1986 · 1 incident

March 6, 1986 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Quarry Products Inc · Struck by... (Not Elsewhere Classified)

KNOCKING ROCKS 0ROM GRIZZLY AND HIT INSTEP OF FOOT WITH HAMMER.

1985 · 1 incident

October 29, 1985 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Quarry Products Inc · Over-exertion in lifting objects

PULLED MUSCLE I3 BACK WHILE SHOVELING.

For insurers, brokers, and safety consultants

The full compliance file on Quarry #4

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.