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

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.