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December 14, 2023 Fatality

Accident Classification: Machinery
Location: Bison No 1, Washington, Oklahoma
Mine Controller: Spencer Gene Hopper
Mine Type: Surface
Mined Material: Crushed Broken Stone NEC
Incident Date/Time: December 14, 2023 05:15 am

A miner died while performing maintenance work on a feed plate. While attempting to move a chute to gain access to the feed plate, the chute moved, and pinned the miner between a handrail and the chute.

The information provided in this notice is based on preliminary data ONLY and does not represent final determination regarding the nature of the incident or conclusions regarding the cause of the accident.


MINE FATALITY – On December 14, 2023, a miner died while preparing to repair flanges on the feed box. In the process of lowering the chute into the maintenance position, the chute pinned the miner between the chute and the handrail.