Underground Black River Operation

Safety activity

1. accident2026-09-18220262650024

   STEPPING OR KNEELING ON OBJECT · DAYS AWAY FROM WORK ONLY

   Accident narrative

   EE stepped on a piece of large kiln feed stone and felt pain in their left knee. This incident happened while exiting a surface haul truck.

2. accident2026-04-26220261200007

   HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

   Accident narrative

   While EE was walking up 89-817/818 belt line tube dust hit employee's hard hat, and as the employee looked up, dust entered the EE's left eye. Co-workers assisted the EE with eyewash, then the EE was taken to medical treatment.

3. accident2026-03-31220261110030

   STRIKING OR BUMPING · NO DYS AWY FRM WRK,NO RSTR ACT

   Accident narrative

   On 04/15/2026 management was notified by EE that they had struck right knee while exiting a Toyota Forklift. They further stated that this incident happened on 03/31/2026 at approximately 11:00am. EE has now been seen to have their knee drained due to swelling on 4/16/2026 and 4/20/2026. No lost time or restrictions at this time.

4. accident2026-03-29220260970028

   HANDTOOLS (NONPOWERED) · DAYS AWAY FROM WORK ONLY

   Accident narrative

   At approximately 6:30am on 03/30/2026 EE informed incoming production supervisor that at approximately 10:00pm the night prior (03/29/2026) they had felt a "pop" in their left wrist while turning a wrench. EE denied medical care when asked and offered a ride to the hospital by the supervisor three times.

5. accident2026-01-31220260410014

   OTHER · DAYS AWAY FROM WORK ONLY

   Accident narrative

   EE reported to management at 6:50am on the morning of 02/05/2026 that they had been experiencing lower back pain since 01/31/2026 and that they had received medical treatment and been released without restriction on 02/03/2026 and called off of work on 02/04/2026. EE was seen at a clinic at 11:30am on 02/05/2026 and was instructed to not return to work until 02/09/2026.

6. accident2026-01-30220260350007

   HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

   Accident narrative

   While inspecting overhead conduit for shorts and looking up, product fell between an EE's eye protection and hard hat from above and entered their eyes. The EE and supervisor flushed the eyes, but the EE was still feeling discomfort and pain in the right eye and was transported to an eye clinic for treatment.

7. accident2026-01-18220260200051

   MACHINERY · DAYS AWAY FROM WORK ONLY

   Accident narrative

   A contract laborer was positioned on the downhill side of a brick rig used to install kiln brick when they sustained an injury. They had placed their right hand on the brick rig's platform and when the rig was moved a brick fell striking their hand. This resulting in 3 broken fingers.

8. accident2026-01-18220260220007

   HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

   Accident narrative

   Installing Brick at Black river in kiln#1 using a pneumatic brick machine. Labor that was injured had improper hand placement on deck of brick machine. Bricklayers move the brick machine and did not communicate on brick machine adjustment.

9. accident2025-12-13220253520007

   HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

   Accident narrative

   EE on 12/16/2025 reporting back pain, due to an injury on 12/13/2025. They started changing a return roller and felt pain and reported to supervisor, but thought was going to be alright. On 12/16/2025 employee is requesting medical care and taken to local ER.

10. accident2025-10-07220253170216

    DISORDERS (REPEATED TRAUMA) · OCCUPATNAL ILLNESS NOT DEG 1-6

    Accident narrative

    This report is being filed due to hearing loss detected during annual audiometric testing. Loss was found in employees Left ear.

11. accident2025-09-02220252480024

    ENTRAPMENT · ACCIDENT ONLY

    Accident narrative

    On 9/2/2025 two contractors were unable to lower the JLG manlift basket they had been working from due to a blown circuit power fuse. Another manlift was on site and it was used to transport the two safely to ground level.

12. accident2025-09-02220252520011

    HOISTING · ACCIDENT ONLY

    Accident narrative

    On 9/2/2025 two employees were unable to lower the rental JLG manlift basket they were working from due to a blown circuit power fuse. Another manlift on site was used to get the two employees safely to the ground.

13. accident2025-08-11220252250016

    SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY

    Accident narrative

    EE was traveling between number 2 and number 3 kiln at ground level when they slipped and fell. This fall caused their left leg to bend back under them and caused pain to left knee.

14. accident2025-08-07220252240002

    POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    EE states while moving a manlift from the operator's basket EE sustained an injury to EE's mouth. While the machine was in motion, EE hit a hole in the roadway resulting in a bounce causing EE's mouth to contact the man basket.

15. accident2025-06-27220251880009

    FALL OF ROOF OR BACK · ACCIDENT ONLY

    Accident narrative

    At approximately 10:30PM Friday June 27, 2025, a roof fall was found in 13w/95. Due to being above the anchor point MSHA was notified by phone. MSHA representatives where on site and issued a K-order on 6/30/2025.

16. accident2025-05-30220251600014

    POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    An underground employee was injured on 5/30/2025, during the unsafe operation of a Kawasaki ATV Mule. The employee was traveling in reverse and rolled the ATV with another employee on board. This incident was not reported to management until 3 days after the incident. The employee states they received medical treatment on the day of injury.

17. accident2025-05-30220251600018

    POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    An underground employee was injured during the unsafe operation of a Kawaski ATV Mule. The employee was traveling as a passenger on the ATV which was being driven in reverse by another employee. This incident was not reported to management until 3 days after the incident. The employee received medical treatment the day of notification, and after receiving suspension.

18. accident2025-03-30220250920005

    HANDTOOLS (NONPOWERED) · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Employee states rust entered EE's right eye while using a chain hoist at the surface wash plant. A piece of rust dislodged from the steel beam the hoist was attached to. The incident happened on 3/30/2025 but was not reported to management till 3/31/2025.

19. accident2025-03-10220250700029

    HOISTING · ACCIDENT ONLY

    Accident narrative

    Management was made aware at approximately 9:40 pm on 3/10/2025 that material was on the primary escapeway track. MSHA was notified and miners were evaluated using the secondary escapeway. It was determined material from the adjacent conveyor had spilled the material. Primary escapeway was put back in service at 12:25 am on 3/11/2025 after cleaning.