Mining Incidents

TOYON MILL: 1 reportable incident Metal/Non-Metal

Western Source · Facility
Controlled by Rio Tinto Group
Calaveras County, CA  ·  Abandoned
MSHA Mine ID: 0404490

MSHA record for TOYON MILL (mine ID 0404490). 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
1991
Latest incident
Oct 1991
Ownership history
  1. Western Source Inc 1950 to 1989
  2. Western Source 1990 to 1992
  3. Western Source 1992 to present
Source: MSHA controller and operator history, updated weekly.

TOYON MILL sits in Calaveras 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.
Calaveras County, California · Population 45,995
0.3%
Mining share of county employment
$79,877
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

1 on file

1991 · 1 incident

October 11, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Western Source · Struck by... (Not Elsewhere Classified)

GRINDER HIT WELDING SLAG AND KICKED BACK STRIKING EMP ON L LEG