Miner was moving a rinse bucket to access a piece of metal that needed to be repaired and welded. As EE pulled the pin from the rinse bucket somehow the hydraulic cylinder gave way pinning the miner in between the bucket and a handrail. Resulting in the death of the miner.
Bison Materials LLCOperator
- Fatalities
- 1
- Total incidents
- 4
- Mines on record
- 1
- Years on record
- 2019–2025
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 0% of operators on file.
Position when operators are sorted by recorded fatalities.
Industry mean: 1.6 fatalities per fatal-history operator.
- D & R COAL, INC.1fatal4 total
- Hugo Sand Company Inc1fatal4 total
- Echols Mill Quarries LLC1fatal4 total
- PATRIOT HAULING CO INC.1fatal4 total
- Bison Materials LLCthis operator1fatal4 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.
Get an email the moment a new MSHA-reportable accident lands at any mine on file under Bison Materials LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.
Top causes
- MACHINERY1 fatality · 1 non-fatal
- STEPPING OR KNEELING ON OBJECT1 non-fatal
- POWERED HAULAGE1 non-fatal