Potrero Hills Quarry Metal/Non-Metal
Syar Industries Inc
· Surface
Controlled by
James M Syar
Solano County,
CA
·
Abandoned
MSHA Mine ID: 0404423
Potrero Hills Quarry has no reportable incidents on file with MSHA.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Ownership history
- Potrero Sand & Gravel Inc 1980 to 1985
- Amos & Andrews Inc 1985 to 1989
- Syar Industries Inc 1989 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1989 | 8 |
| 1987 | 0 |
| 1986 | 6 |
| 1985 | 6 |
| 1984 | 0 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Potrero Hills Quarry sits in Solano County, California, where the Census mining category is 0.1% 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.Solano County, California · Population 450,824
0.1%
Mining share of county employment
$99,994
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.