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Sonora Mill And Quarries: 3 reportable incidents Metal/Non-Metal

Controlled by Filippi L
Tuolumne County, CA  ·  Abandoned
MSHA Mine ID: 0402351

Sonora Mill And Quarries has had no fatalities among 3 reportable incidents since 1985.

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Fatalities
0
Total incidents
3
Years on record
1985–1988
Latest incident
Nov 1988
Ownership history
  1. Sonora Aggregates Corp 1950 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
1991 0
1990 2
1989 2
1988 2
1987 3
1986 2
1985 3
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.

Sonora Mill And Quarries sits in Tuolumne County, California, where the Census mining category is 0.3% 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.
Tuolumne County, California · Population 54,873
0.3%
Mining share of county employment
$72,259
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

1988 · 1 incident

November 1, 1988 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Sonora Aggregates Corp · Over-exertion (Not Elsewhere Classified)

MAN WAS SHOVELING WASTE ROCK FROM UNDER A CONVEYOR BELT AND FELT PAIN IN LOWER BACK

Show 2 earlier incidents

1986 · 1 incident

November 3, 1986 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Sonora Aggregates Corp · Fall to lower level, (Not Elsewhere Classified)

WAS STGANDING O3 TOP OF A WORKBENCH HOLDING DOWN A PIECE OF PLYWOOD IN PREPARATION FOR CUTTING IT WHEN BALANCE WAS LOST RESULTING IN A FALL TO A CONCRETE FLOOR LANDING ON RIGHT HIP

1985 · 1 incident

January 17, 1985 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Sonora Aggregates Corp · Struck by falling object

WHILE USING A P9Y BAR TO DISLODGE A ROCK THE ROCK SLID DOWN THE BAR AND CUT HIS FINGER