Clay Quarry Metal/Non-Metal
Signal Mountain Cement Company
· Surface
Controlled by
Buzzi S p A
Hamilton County,
TN
·
Abandoned
MSHA Mine ID: 4000042
Clay 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
- General Portland Inc 1950 to 1981
- General Portland Inc 1981 to 1982
- Signal Mountain Cement Company 1982 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1988 | 0 |
| 1987 | 1 |
| 1986 | 3 |
| 1985 | 4 |
| 1984 | 4 |
| 1983 | 3 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Clay Quarry sits in Hamilton County, Tennessee, 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.Hamilton County, Tennessee · Population 370,913
0.1%
Mining share of county employment
$72,568
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.