ZIMMERMAN MINE
Active
Surface
SandAndGravel
Operator: Sloan Materials, LLC
Controller: Randal Sloan
Location: Leonardtown, St Marys County, MD
Employees: 6
112
Violations
37
S&S Violations
0
Accidents
$24K
Penalties
Recent Violations
View all 112 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 04/16/2022 | 50.30(a) | Non-S&S | ModNegligence | $143 |
| 01/19/2022 | 56.4230(a)(1) | Non-S&S | LowNegligence | $133 |
| 03/15/2021 | 56.11001 | Non-S&S | LowNegligence | $125 |
| 05/14/2020 | 50.30(a) | Non-S&S | ModNegligence | $123 |
| 05/14/2020 | 50.30(a) | Non-S&S | ModNegligence | $123 |
| 05/13/2020 | 56.14100(b) | Non-S&S | ModNegligence | $157 |
| 12/17/2019 | 56.13011 | Non-S&S | ModNegligence | $123 |
| 12/17/2019 | 56.12018 | Non-S&S | ModNegligence | $123 |
| 12/12/2019 | 56.14207 | Non-S&S | ModNegligence | $121 |
| 12/12/2019 | 56.4402 | Non-S&S | ModNegligence | $121 |
| 12/12/2019 | 56.14100(b) | Non-S&S | ModNegligence | $121 |
| 12/12/2019 | 56.11012 | Non-S&S | ModNegligence | $121 |
| 08/28/2019 | 56.12004 | Non-S&S | ModNegligence | $121 |
| 08/27/2019 | 56.9300(a) | S&S | ModNegligence | $121 |
| 08/27/2019 | 56.14101(a)(3) | Non-S&S | ModNegligence | $121 |
| 01/23/2019 | 56.14100(b) | Non-S&S | HighNegligence | $230 |
| 01/23/2019 | 56.14132(a) | Non-S&S | LowNegligence | $121 |
| 11/30/2017 | 56.12004 | S&S | ModNegligence | $336 |
| 11/29/2017 | 56.9100(a) | Non-S&S | ModNegligence | $118 |
| 11/29/2017 | 56.12004 | Non-S&S | ModNegligence | $118 |
Inspections
View all 63 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/14/2025 | 10/16/2025 | 23.75 | 1 |
| 06/25/2025 | 06/26/2025 | 26.50 | 1 |
| 03/25/2025 | 03/27/2025 | 28.25 | 2 |
| 03/05/2025 | 03/06/2025 | 12.75 | 1 |
| 07/22/2024 | 07/24/2024 | 23.50 | 1 |
| 12/19/2023 | 12/20/2023 | 14.00 | 1 |
| 05/19/2023 | 08/23/2023 | 25.00 | 1 |
| 12/15/2022 | 12/16/2022 | 15.75 | 1 |
| 04/25/2022 | 05/04/2022 | 46.00 | 1 |
| 01/18/2022 | 01/19/2022 | 22.00 | 1 |
Mine Details
MSHA Mine ID1800739
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees6
Days/Week5.0
Hours/Shift8.0
Coordinates39.0458330, -76.6413890
Nearest TownLeonardtown
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Frequently Asked Questions
How many MSHA violations does ZIMMERMAN MINE have?
ZIMMERMAN MINE has 112 MSHA violations on record, of which 37 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $24K.
What type of mine is ZIMMERMAN MINE?
ZIMMERMAN MINE is a Surface mine producing SandAndGravel, located in Leonardtown, St Marys County, MD. It currently has 6 employees.
Has anyone been injured or killed at ZIMMERMAN MINE?
According to MSHA records, ZIMMERMAN MINE has 0 reported accident/injury records and 0 fatalities on file.
Who operates ZIMMERMAN MINE?
ZIMMERMAN MINE is operated by Sloan Materials, LLC and controlled by Randal Sloan. MSHA Mine ID: 1800739.