Borello Ranch Quarry Metal/Non-Metal
Borello Ranch Quarry
· Surface
Controlled by
Borello Robert A
Marin County,
CA
·
Abandoned
MSHA Mine ID: 0405144
MSHA record for Borello Ranch Quarry (mine ID 0405144). 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
- American Rock & Asphalt Inc 1991 to 1991
- Borello Ranch Quarry 1991 to present
Source: MSHA controller and operator history, updated weekly.
Borello Ranch Quarry sits in Marin 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.Marin County, California · Population 258,765
0.0%
Mining share of county employment
$142,785
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.