Fatality · MSHA Record #220233520021
Maintenance Man fatality at Bison No 1 (Bison Materials LLC), OK, December 14, 2023
at 7:00 AM
On December 14, 2023, a maintenance man was fatally injured in a machinery accident at Bison No 1 (Bison Materials LLC), OK.
Operator:
Bison Materials LLC
(Spencer Gene Hopper; Lucas Hopper)
Washington County, OK
Classification
MACHINERY
Type
Caught in, under or between a moving and a stationary object
Investigator narrative
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.
Record details
- Activity at time of incident
- Machine Maintenance
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Accident type
- Caught in, under or between a moving and a stationary object
- Source of injury
- METAL,(Not Elsewhere Classified)(PIPE,WIRE,NAIL)
- Nature of injury
- CRUSHING
- Body part affected
- TRUNK, MULTIPLE PARTS
- Total mining experience
- 11 years
- Experience at this mine
- 5 years
- Experience in this job
- 5 years
- Degree of injury
- FATALITY
Related fatalities
Same classification
- July 1, 2026 · Electrician · Warrior Met Coal BC, LLC, AL
- May 20, 2026 · Maintenance Man · Pine Branch Mining LLC, KY
- March 12, 2026 · Maintenance Man · Kennecott Utah Copper LLC, UT
- March 5, 2026 · Continuous Miner Operator · Patton Mining LLC, IL
- January 6, 2026 · Maintenance Man · National Cement Company Of California Inc, CA
Same year
- December 14, 2023 · Miner · Staker & Parson Companies, UT
- November 17, 2023 · Maintenance Man · Eden Stone Co., LLC, WI
- November 13, 2023 · Miner · Stillwater Mining Company, MT
- November 13, 2023 · Rotary Bucket Excavator Operator · KaMin LLC, GA
- October 2, 2023 · Roof Bolter · LCT Energy, LP, PA
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Accident record:
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220233520021(the unique key per MSHA Form 7000-1) -
Mine record:
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and search by Mine ID
3402093 - All MSHA datasets: Open Government Data program directory covering Accident, Mines, Inspections, Violations, etc.
Source: US Mine Safety and Health Administration (MSHA) · Document 220233520021 · Mine ID 3402093
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