Struck by falling object
A Millwright drove the pins out of a 200-ton crane boom to change out a section and the boom fell on employee.
Thunder Basin Coal Company LLCOperator
Controlled by Core Natural Resources Inc
MSHA Operator ID: P24224
- Fatalities
- 4
- Total incidents
- 590
- Mines on record
- 2
- Years on record
- 2000–2026
Safety benchmark
Recorded fatalities relative to other operators with a fatal MSHA history. Percentile is computed across the 739 operators with at least one recorded fatality.
More recorded fatalities than 94% of operators on file.
Position when operators are sorted by recorded fatalities.
Industry mean: 1.6 fatalities per fatal-history operator.
This operator
4
Industry mean
1.6
Industry median
1
Peers at similar incident volume
- Lone Mountain Processing LLC7fatal590 total
- Thunder Basin Coal Company LLCthis operator4fatal590 total
- TXI Operations, LP1fatal589 total
- Freeman United Coal Mining Company1fatal594 total
- Carmeuse Lime and Stone, Inc.1fatal600 total
Methodology: percentile and rank computed across MSHA operators with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.
For counsel + compliance teams
Get an email the moment a new MSHA-reportable accident lands at any mine on file under Thunder Basin Coal Company LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.
Top causes
- MACHINERY2 fatalities · 52 non-fatal
- SLIP OR FALL OF PERSON1 fatality · 119 non-fatal
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL1 fatality · 2 non-fatal
- HANDLING OF MATERIALS165 non-fatal
- HANDTOOLS (NONPOWERED)64 non-fatal
- POWERED HAULAGE58 non-fatal
Incident timeline
2026
5
2025
12
2024
20
2023
19
2022
15
2021
15 (1f)
2020
7
2019
16
2018
15
2017
19
2016
15
2015
29
2014
22
2013
35 (1f)
2012
31
2011
16
2010
21
2009
21
2008
41
2007
32
2006
52
2005
33
2004
24
2003
24 (1f)
2002
16 (1f)
2001
9
2000
26
Mines on record
Fatalities under this operator
4 recordedCaught in, under or between a moving and a stationary object
The technician was assisting in moving a 2800 P&H shovel when the machine lost propel capabilities. The machine then rolled in reverse striking the pickup driven by the technician causing fatal injuries.
Fall to lower level, (Not Elsewhere Classified)
AFTER OVERSEEING THE ACTIVITIES OF CONTRACTORS WORKING ON THE BELT 614 LEVEL, EMPLOYEE LEFT AND WENT UP THREE FLIGHTS OF STAIRS TO THE 612 BELT LEVEL WHERE THE ELEVATOR TO THE SURFACE WAS LOCA TED. WITHIN A MINUTE OR TWO OF LEAVING, HE FELL THROUGH A 4X4 OPENING THAT HAD BEEN USED TO LOWER PARTS. THE HOLE HAD FLAGGING AT ALL ENTRIES AT LEAST 4' FROM THE EDGE. HE FELL 19' TO THE BEL
Struck by falling object
EE WAS CLEANING UP AROUND THE 8 SHOVEL. EYEWITNESS SAYS ""A LARGE ROCK CAME DOWN AND HIT THE 86 DIRECTLY ON THE RIGHT SIDE OF THE ROPS...SMASHING THE CAB."" EE WAS KILLED INSTANTANEOUSLY BY THE IMPACT ACCORDING TO THE DEPUTY CORONER.