INJURED WAS HOLDING A CENTRALIZING COUPLER ON THE KELLY BAR DRILL STEEL WHILE ANOTHER MINER WAS HOLDING THE HAMMER ON THE GROUND ANOTHER MINER WAS OPERATING THE ROCK DRILL AND WHEN THE KELLY B AR THREADS CAME IN CONTACT WITH THE FEMALE END OF THE HAMMER THE INJUREDS RIGHT MIDDLE FINGER WA
Gray Rock Quarry Metal/Non-Metal
Calaveras Cement Company
· Surface
Controlled by
Cimenteries Cbr Cementbedrijven
Shasta County,
CA
·
Abandoned
MSHA Mine ID: 0404349
MSHA record for Gray Rock Quarry (mine ID 0404349). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 1983
- Latest incident
- Jul 1983
No fatalities recorded at this mine.
Reportable incidents
1 on file1983 · 1 incident
Calaveras Cement Company · Caught in, under or between (Not Elsewhere Classified)
For insurers, brokers, and safety consultants
The full compliance file on Gray Rock 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.