Subtropolis
Active
Underground
Stone
Operator: Subtropolis Mining Co.
Controller: W Thomas Mackall
Location: Petersburg, Mahoning County, OH
Employees: 35
530
Violations
113
S&S Violations
29
Accidents
$293K
Penalties
Recent Violations
View all 530 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/04/2026 | 57.12028 | Non-S&S | LowNegligence | $0 |
| 02/04/2026 | 57.8520(e) | Non-S&S | ModNegligence | $0 |
| 10/15/2025 | 57.12008 | Non-S&S | ModNegligence | $151 |
| 10/15/2025 | 57.12032 | Non-S&S | ModNegligence | $193 |
| 10/15/2025 | 57.12018 | Non-S&S | LowNegligence | $151 |
| 10/07/2025 | 57.15031(a) | Non-S&S | LowNegligence | $151 |
| 07/02/2025 | 57.12032 | Non-S&S | ModNegligence | $151 |
| 07/02/2025 | 57.3200 | S&S | ModNegligence | $549 |
| 07/01/2025 | 57.14100(a) | Non-S&S | LowNegligence | $151 |
| 07/01/2025 | 57.12006 | Non-S&S | ModNegligence | $151 |
| 04/02/2025 | 57.14101(a)(3) | Non-S&S | LowNegligence | $151 |
| 04/02/2025 | 57.12032 | Non-S&S | LowNegligence | $151 |
| 04/02/2025 | 57.14112(a)(1) | Non-S&S | LowNegligence | $151 |
| 04/01/2025 | 57.12018 | Non-S&S | LowNegligence | $151 |
| 04/01/2025 | 57.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 04/01/2025 | 57.14107(a) | Non-S&S | LowNegligence | $151 |
| 04/01/2025 | 57.12068 | Non-S&S | ModNegligence | $151 |
| 01/15/2025 | 57.14112(a)(1) | Non-S&S | LowNegligence | $151 |
| 01/13/2025 | 57.14100(c) | Non-S&S | LowNegligence | $151 |
| 11/05/2024 | 57.17001 | Non-S&S | ModNegligence | $147 |
Accidents & Injuries
View all 29 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/03/2025 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 66d restricted |
| 02/06/2024 | MACHINERY | DAYS AWAY FROM WORK ONLY | 18d lost |
| 12/07/2020 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 2d lost |
| 11/28/2020 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 46d lost |
| 06/18/2019 | FALL OF ROOF OR BACK | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/23/2018 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/28/2018 | OTHER | DAYS AWAY FROM WORK ONLY | 2d lost |
| 05/11/2018 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 2d lost |
| 08/30/2017 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 67d lost |
| 07/17/2017 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 19d lost, 6d restricted |
Inspections
View all 135 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/02/2026 | 02/05/2026 | 30.50 | 1 |
| 10/06/2025 | 10/16/2025 | 63.75 | 1 |
| 07/10/2025 | 07/10/2025 | 2.00 | 1 |
| 07/01/2025 | 07/08/2025 | 41.25 | 1 |
| 04/01/2025 | 04/03/2025 | 83.50 | 3 |
| 02/18/2025 | 02/19/2025 | 20.50 | 1 |
| 01/13/2025 | 01/15/2025 | 26.75 | 1 |
| 10/28/2024 | 11/05/2024 | 52.00 | 1 |
| 07/15/2024 | 07/17/2024 | 23.50 | 1 |
| 07/01/2024 | 07/01/2024 | 6.75 | 1 |
Mine Details
MSHA Mine ID3304547
Mine TypeUnderground
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees35
Days/Week5.0
Hours/Shift10.0
Coordinates40.9138890, -80.5538890
Nearest TownPetersburg
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Frequently Asked Questions
How many MSHA violations does Subtropolis have?
Subtropolis has 530 MSHA violations on record, of which 113 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $293K.
What type of mine is Subtropolis?
Subtropolis is a Underground mine producing Stone, located in Petersburg, Mahoning County, OH. It currently has 35 employees.
Has anyone been injured or killed at Subtropolis?
According to MSHA records, Subtropolis has 29 reported accident/injury records and 1 fatalities on file.
Who operates Subtropolis?
Subtropolis is operated by Subtropolis Mining Co. and controlled by W Thomas Mackall. MSHA Mine ID: 3304547.