Yellowstone Mine — Accidents
Total: 30 accidents | Fatalities: 0
| Date | Classification | Injury | Days Lost | Narrative |
|---|---|---|---|---|
| 09/02/2025 | OTHER | INJURIES DUE TO NATURAL CAUSES | None | While an employee was working on changing a tire on a haul truck the employee suddenly lost control and feeling in their right arm. Also felt fatigued and nauseas. |
| 10/14/2024 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted | Employee was in Haul Truck #28 being loaded by 559 Shovel on the Phase 6 6000 Bench. While being loaded a large boulder rolled off the bucket of 559 shovel, the boulder landed in the bed of the truck... |
| 10/12/2023 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted | The employee was entering the plant heading to the plant break room. When the employee stepped on the top stair to descend to the break room, EE slipped causing EE to fall awkwardly down the stairs. E... |
| 09/18/2023 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None | Audiometric testing performed on 8/23/2023 showed that the employee had hearing loss. Audiometric retesting on 9/18 confirmed that the employee had hearing loss. |
| 09/18/2023 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None | Audiometric testing performed on 8/23/2023 showed that the employee had hearing loss. Audiometric retesting on 9/18 confirmed that the employee had hearing loss. |
| 02/23/2023 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 8d restricted | The employee was working on a light vehicle and was standing on the front bumper/cattle guard. When they went to dismount the vehicle, they slipped causing them the strike their ribs/upper torso again... |
| 05/03/2022 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted | Employee was baring out a feed hopper. After task was completed employee reported soreness in the hand. Two days elapsed and employee reported swelling |
| 10/06/2020 | POWERED HAULAGE | ALL OTHER CASES (INCL 1ST AID) | None | Employee was operating haul truck near the new pond when a light vehicle pulled out in front of EE causing EE to lock up the brakes resulting in aggravation of the lower back. |
| 08/31/2020 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None | The operator was pushing material and constructing a ditch with a dozer in order to convey water away from the dig face. At the end of shift the operator reported to the pit lead that neck was sore wh... |
| 11/06/2019 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 10d lost, 51d restricted | Lab Technician slipped and fell while walking up to/reaching to open the door of the Ambulance Barn. Diagnosed with a fracture to the left wrist. |
| 10/22/2019 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted | Employee had descended into a trench (approximately 3 feet deep X 6 feet wide) at the water pond area of the mine and was climbing up the other side when they felt a pop in their right calf muscle. Th... |
| 07/24/2018 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee lacerated the base of right middle finger while removing an oil pan adapter plate from a surface mine hydraulic shovel. |
| 03/21/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 20d restricted | Employee alleges that employee strained left shoulder on 3/21/18 barring wet material from feed system. Incident was not reported to the company until 04/09/18. Employee provided doctor's note on 4/0... |
| 08/07/2017 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 8d restricted | Employee reports numbness in both wrists, initial diagnoses by PA is bi-lateral carpal tunnel syndrome. Further testing to be completed to confirm diagnoses and determine course of treatment. |
| 03/31/2016 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee was assisting maintenance in the rebuild of a piece of processing equipment, EE jammed left middle finger while positioning a component. The injury was diagnosed as a fracture. |
| 12/30/2014 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None | Employee diagnosed with Noise Induced Hearing Loss requiring the use of hearing aids |
| 05/15/2013 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee reported left upper arm strain lifting chock block off of water truck, declined medical treatment. Asked for a medical consult one month later. Seen by specialist 7-1-13 and prescribed 6 we... |
| 07/17/2012 | SLIP OR FALL OF PERSON | ALL OTHER CASES (INCL 1ST AID) | None | Employee was performing weed spraying on a slight grade, felt minor stinging sensation in left knee. Later in the shift while entering a pick-up truck the employee reports a pop in the back of his le... |
| 04/01/2009 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted | Walking from loader to travel on concrete, which was wet from the snow, making the film of tail slick. He slipped and fell hurting his left wrist. X-ray's were taken the day of the injury showing a fr... |
| 12/09/2008 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | While cleaning area between wall and ceiling of new office, a small metallic object embedded into the employee's eye. Required removal by an Opthamolgist |
| 10/31/2008 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None | The employee was closing the tailgate of his pickup truck and caught the little finger of his left hand between the tailgate and truck bed. The employee was transported to the Ennis Clinic for treatm... |
| 06/26/2006 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None | Employee bent down and felt pain in left ankle. Resulted in a sprain/strain to ankle which will require Physical Therapy. |
| 04/11/2006 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None | An age adjusted audiometric loss comparing baseline (1987) and most recent measurements (2005) has been established, resulting in an average loss of 29 dB in left ear at the 2000Hz range. This illness... |
| 01/10/2006 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None | While loading drill blast holes with anful (ammonia nitrate and diesel fuel) a wind gust blew dust into employee's right eye. The employee sustained a chemical burn from ammonia nitrate dust on cornia... |
| 12/03/2005 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 3d lost | Haul Truck driver was proceeding to dump site, just after having a break. Truck immediately turned almost 90% from the straight haul path, He hit the berm squarely with both tires and slid down the hi... |
| 09/22/2005 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 5d lost, 9d restricted | The employee reported a problem with ""trigger thumb"". Employee is a QA Lab Technician that works with hands for multiple years. Dr. determined employee sustained work related ""trigger thumb"" to... |
| 11/23/2004 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 30d lost, 19d restricted | WHILE EXITING THE LOADER CAB, EE SLIPPED AND GRABBED (LEFT HAND) PART OF THE LOADER TO PREVENT HIS FALL. EE CONTINUED TO WORK AND FINISHED HIS SHIFT. HE THEN WENT TO THE LOCAL DOCTOR. WAS SCHEDULED... |
| 01/07/2004 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 8d lost, 42d restricted | EE WAS EXITING EE TRANSPORT VAN AT START OF SHIFT, PUT LEFT FOOT ON GROUND. FOOT SLIPPED ON ICE CAUSING EE S LEFT ANKLE TO TWIST AS EE FALL TO GROUND. LEFT ANKLE FRACTURE. |
| 05/14/2003 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None | AN AGE-ADJUSTED AUDIOMETRIC LOSS COMPARING BASELINE (1987) AND MOST RECENT MEASUREMENTS (2003) HAS BEEN ESTABLISHED, RESULTING IN A HEARING LOSS IN THE EMPLOYEE'S LEFT EAR. |
| 10/12/2000 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None | WHILE PERFORMING ROUTINE MAINTENCE ON A CONVEYORTHEN CRAWLING OUT FROM UNDER CONVEYOR EE STRUCK HIS HEAD ON A METAL SUPPORT BEAM EE SUSTAINED A SMALL SUTRABLE LACERATION TO HEAD |