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Sierra Piedra Company: 3 reportable incidents Metal/Non-Metal

Controlled by Webb Aubrey M
Kern County, CA  ·  Abandoned
MSHA Mine ID: 0404831

MSHA record for Sierra Piedra Company (mine ID 0404831). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
3
Years on record
1988–1989
Latest incident
May 1989
Ownership history
  1. Sierra Piedra Company 1986 to present
Source: MSHA controller and operator history, updated weekly.

Sierra Piedra Company sits in Kern County, California, where the Census mining category is 2.3% of county employment.

Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Kern County, California · Population 910,433
2.3%
Mining share of county employment
$67,660
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

3 on file

1989 · 1 incident

May 19, 1989 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Sierra Piedra Company · Struck by... (Not Elsewhere Classified)

WAS CUTTING CONVEYOR BELT W/KNIFE, WHEN KNIFE SLIPPED, CUTTING LEFT FOREARM.

1988 · 2 incidents

July 22, 1988 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Sierra Piedra Company · Struck by... (Not Elsewhere Classified)

REPAIRING PLANT USING SLEDGE HAMMER TO DRIVE A BEARING ON A SHAFT.A CHIP OF STYEEL CAME OFF BEARING STTRIKING HIM IN UPPER RIGHT ARM,RESULTING IN MASSIVE BLEEDING AND A PARTIAL TEAR OF THE RI GHT BRACHIAL ARTERY.

March 24, 1988 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Sierra Piedra Company · Over-exertion (Not Elsewhere Classified)

WORKING ON CONVEYOR BELT WITH WRENCH WRENCH SLIPPED TWISTING LEFT HAND THUMB AND WRIST.