Mining Incidents

Twin Oaks Pit Metal/Non-Metal

Twin Oaks Engineering Inc · Surface
San Diego County, CA  ·  Abandoned
MSHA Mine ID: 0403849

MSHA record for Twin Oaks Pit (mine ID 0403849). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Ownership history
  1. Twin Oaks Engineering Inc 1950 to present
Source: MSHA controller and operator history, updated weekly.

Twin Oaks Pit sits in San Diego County, California, where the Census mining category is 0.0% 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.
San Diego County, California · Population 3,282,782
0.0%
Mining share of county employment
$102,285
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.