Mining Incidents

BISON MINE Metal/Non-Metal

Worthington, Armstrong County, PA  ·  Active
MSHA Mine ID: 3610107

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Fatalities
0
Total incidents
9
Years on record
2015–2024
Latest incident
Jul 2024
Compliance record
MSHA citations since 2015
101
citations
14
significant & substantial
$38,327
proposed penalties
$24,101
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 8,395 1 0 119.1
2025 Q3 8,634 0 0 0.0
2025 Q2 8,467 0 0 0.0
2025 Q1 8,335 0 0 0.0
2024 Q4 7,870 2 0 254.1
2024 Q3 8,686 1 0 115.1
2024 Q2 13,369 1 1 74.8
2024 Q1 12,062 2 0 165.8
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

9 on file

2024 · 3 incidents

July 31, 2024 PA · Metal/Non-Metal FALL OF ROOF OR BACK
Allegheny Mineral Corporation · Accident type, without injuries

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. The 103 (k) order was modified by MSHA.

July 25, 2024 PA · Metal/Non-Metal FALL OF ROOF OR BACK
Allegheny Mineral Corporation · Accident type, without injuries

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.

July 24, 2024 PA · Metal/Non-Metal FALL OF ROOF OR BACK
Allegheny Mineral Corporation · Accident type, without injuries

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 notified within 15 minutes of the fall being discovered. A 103 (k) order was issued by MSHA.

2022 · 1 incident

May 24, 2022 PA · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) FALL OF ROOF OR BACK
Allegheny Mineral Corporation · Struck by falling object

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 shoulder. EE received a shoulder contusion.

2021 · 2 incidents

July 14, 2021 PA · Metal/Non-Metal mechanical scaling worker HANDLING OF MATERIALS
Allegheny Mineral Corporation · Struck by falling object

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 fracture of the 4th metatarsal bone.

July 12, 2021 PA · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) HANDLING OF MATERIALS
Allegheny Mineral Corporation · Over-exertion in lifting objects

Employee was installing a 7' roof bolt when EE felt a pain in the arm. EE was diagnosed with a left rotator cuff tear.

2019 · 1 incident

December 16, 2019 PA · Metal/Non-Metal FALL OF ROOF OR BACK
Allegheny Mineral Corporation · Accident type, without injuries

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 fall is unknown because the mine was unoccupied on 12/14/2019 and 12/15/2019. MSHA was notified within 15 minutes of the fall being discovered.

2017 · 1 incident

March 10, 2017 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Allegheny Mineral Corporation · Over-exertion in lifting objects

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.

2015 · 1 incident

September 28, 2015 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Allegheny Mineral Corporation · Fall from machine

Employee slipped while exiting a drill during a rainstorm. Employee bruised chest and was in pain the next morning.