Superbase Screen Metal/Non-Metal
MSHA record for Superbase Screen (mine ID 4801914). 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
- Wyoming Earthmoving Corporation 2026 to present
Source: MSHA controller and operator history, updated weekly.
Superbase Screen sits in Weston County, Wyoming, where the Census mining category is 14.4% of county employment.
Local economic context
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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.Weston County, Wyoming · Population 6,835
14.4%
Mining share of county employment
$87,545
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.