Bison Mine — Accidents

Total: 9 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
07/31/2024 FALL OF ROOF OR BACK ACCIDENT ONLY None Employees found the fall as they were entering into the mine at main 8 face out by. The fall area was approximately 40' long, 40' wide. MSHA was notified within 15 minutes of the fall being discovered...
07/25/2024 FALL OF ROOF OR BACK ACCIDENT ONLY None A roof fall occurred in 1R2 between crosscuts 7 and 8. The area was approximately 40'x 40'. MSHA was notified within 15 minutes of the fall occurring and the prior 103 (K) order was expanded.
07/24/2024 FALL OF ROOF OR BACK ACCIDENT ONLY None Foreman was conducting workplace examination of the mine and discovered a roof fall at the intersection of 1R4 and 1RC10.The fall area is approximately 40' long, 35' wide, and 12' high. MSHA was notif...
05/24/2022 FALL OF ROOF OR BACK DYS AWY FRM WRK & RESTRCTD ACT 3d lost, 4d restricted Employee was standing inby the roof bolter in Entry 1R6 looking for loose material to hand scale. A piece of stone, approximately 2'x2'x3"" fell and hit the employee in the hard hat and right shoulde...
07/14/2021 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 56d lost While changing steels on the roof bolter, the steel slipped from the employee's hand. It struck EE on the top of EE's left foot behind the steel toed portion of EE's boot. EE was diagnosed with a fr...
07/12/2021 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 43d restricted Employee was installing a 7' roof bolt when EE felt a pain in the arm. EE was diagnosed with a left rotator cuff tear.
12/16/2019 FALL OF ROOF OR BACK ACCIDENT ONLY None Foreman was conducting workplace examination of the mine. Foreman saw the roof fall when foreman entered into Main 10 from Main 9. The roof fall is in by of crosscut 10. The exact date of the roof...
03/10/2017 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted Injured was installing tail pulley guard on the dump belt under the crusher. As they were trying to position the guard, employee suffered low back strain.
09/28/2015 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 4d lost Employee slipped while exiting a drill during a rainstorm. Employee bruised chest and was in pain the next morning.