Key Takeaway

MAST MINE is a temporarily idled surface mine producing Coal, located in MEYERSDALE, Somerset County, PA. It has 250 violations on record (61 S&S) and $354K in proposed penalties. Operated by Heritage Coal & Natural Resources,LLC.

MAST MINE

Temporarily Idled Surface Coal

Operator: Heritage Coal & Natural Resources,LLC

Controller: KTRV LLC

Location: MEYERSDALE, Somerset County, PA

250
Violations
61
S&S Violations
2
Accidents
$354K
Penalties

Recent Violations

View all 250 →
Date Section S&S Negligence Penalty
05/19/2025 77.502 Non-S&S ModNegligence $465
05/19/2025 47.41(a)(1) Non-S&S LowNegligence $151
05/19/2025 77.904 Non-S&S ModNegligence $465
05/19/2025 77.1606(c) Non-S&S ModNegligence $288
05/19/2025 77.505 Non-S&S ModNegligence $959
03/17/2025 77.1710(b) S&S LowNegligence $313
02/18/2025 77.1110 Non-S&S ModNegligence $151
02/18/2025 77.1605(l) Non-S&S ModNegligence $151
12/16/2024 77.505 Non-S&S ModNegligence $432
12/16/2024 77.1110 Non-S&S LowNegligence $151
12/16/2024 77.502 Non-S&S ModNegligence $432
11/20/2024 71.206(c)(1) Non-S&S ModNegligence $151
11/20/2024 71.209(a) Non-S&S ModNegligence $151
11/19/2024 77.1110 Non-S&S LowNegligence $151
11/19/2024 77.410(c) Non-S&S ModNegligence $151
11/18/2024 77.1104 S&S ModNegligence $492
11/18/2024 77.1606(c) Non-S&S ModNegligence $204
11/14/2024 77.1606(c) Non-S&S LowNegligence $147
11/13/2024 77.400(a) Non-S&S LowNegligence $147
11/13/2024 77.1109(e)(1) Non-S&S LowNegligence $147

Accidents & Injuries

View all 2 →
Date Classification Injury Days Lost
07/10/2024 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 14d lost
02/19/2021 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 35 →
Begin End Hours Inspectors
03/02/2026 03/02/2026 3.00 1
02/18/2026 02/25/2026 7.75 1
05/15/2025 06/16/2025 51.50 1
03/17/2025 03/18/2025 17.25 1
11/06/2024 03/03/2025 209.25 6
09/19/2024 10/15/2024 45.00 2
05/09/2024 08/13/2024 273.00 9
01/09/2024 02/07/2024 101.00 2
08/08/2023 08/28/2023 108.00 1
05/17/2023 05/17/2023 6.00 2

Mine Details

MSHA Mine ID3610150
Mine TypeSurface
StatusTemporarily Idled
CommodityCoal
SIC DescriptionCoal (Bituminous)
Days/Week0.0
Hours/Shift0.0
Coordinates39.7986110, -79.4322220
Nearest TownMEYERSDALE

Frequently Asked Questions

How many MSHA violations does MAST MINE have?

MAST MINE has 250 MSHA violations on record, of which 61 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $354K.

What type of mine is MAST MINE?

MAST MINE is a Surface mine producing Coal, located in MEYERSDALE, Somerset County, PA. It currently has 0 employees.

Has anyone been injured or killed at MAST MINE?

According to MSHA records, MAST MINE has 2 reported accident/injury records and 0 fatalities on file.

Who operates MAST MINE?

MAST MINE is operated by Heritage Coal & Natural Resources,LLC and controlled by KTRV LLC. MSHA Mine ID: 3610150.