Unit 2 Portable Crusher Metal/Non-Metal
Cornerstone Crushing, LLC
· Surface
Controlled by
Benjamin Geddis; Steve R Oliver
Maumee,
Wayne County,
OH
·
Intermittent
MSHA Mine ID: 3304756
MSHA record for Unit 2 Portable Crusher (mine ID 3304756). 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
- Cornerstone Crushing, LLC 2020 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2026 | 2 |
| 2024 | 0 |
| 2023 | 1 |
| 2022 | 0 |
| 2021 | 1 |
Source: MSHA quarterly employment and production, updated weekly.
Unit 2 Portable Crusher sits in Wayne County, Ohio, where the Census mining category is 0.3% 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.Wayne County, Ohio · Population 116,618
0.3%
Mining share of county employment
$71,769
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2026 Q2 | 993 | 0 | 0 | 0.0 |
| 2024 Q2 | 0 | 0 | 0 | |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 0 | 0 | 0 | |
| 2023 Q3 | 0 | 0 | 0 | |
| 2023 Q2 | 890 | 0 | 0 | 0.0 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 0 | 0 | 0 |
Show 5 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2022 Q3 | 0 | 0 | 0 | |
| 2022 Q2 | 0 | 0 | 0 | |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 0 | 0 | 0 | |
| 2021 Q2 | 982 | 0 | 0 | 0.0 |
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.