Holmberg Pit Metal/Non-Metal
Holmberg Concrete Products
· Surface
Controlled by
Holmberg Chester
Delta County,
MI
·
Abandoned
MSHA Mine ID: 2000735
Holmberg Pit has no reportable incidents on file with MSHA.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Ownership history
- Holmberg Concrete Products 1950 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1995 | 1 |
| 1994 | 1 |
| 1993 | 1 |
| 1992 | 0 |
| 1991 | 0 |
| 1990 | 0 |
| 1989 | 1 |
| 1988 | 0 |
| 1987 | 1 |
| 1986 | 1 |
| 1985 | 1 |
| 1984 | 1 |
| 1983 | 0 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Holmberg Pit sits in Delta County, Michigan, where the Census mining category is 0.4% 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.Delta County, Michigan · Population 36,829
0.4%
Mining share of county employment
$54,829
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.