Concept Mining Service Blackrock Gypsum Metal/Non-Metal
Concept Mining Service
· Surface
Controlled by
Adams James W
Del Norte County,
CA
·
Abandoned
MSHA Mine ID: 0402369
Concept Mining Service Blackrock Gypsum has no reportable incidents on file with MSHA.
Watch this mine
Email me when a new MSHA incident is filed at Concept Mining Service Blackrock Gypsum.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Ownership history
- Concept Mining Service 1987 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1988 | 0 |
| 1987 | 0 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Concept Mining Service Blackrock Gypsum sits in Del Norte 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.Del Norte County, California · Population 27,293
0.1%
Mining share of county employment
$66,780
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.