Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
273,095
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
Filters 1 active
Time period
Experience at time of incident

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The record

34 matching records

Showing all 34
April 21, 2026 WY · Coal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in pulling or pushing objects

Employee was fueling and greasing a D10T. When the employee climbed onto the dozer, they felt lower back pain. The employee strained the lower back muscles and could not return to work.

March 13, 2026 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Kemmerer Operations, LLC · Over-exertion in pulling or pushing objects

Employee was pulling on a wrench when they experienced pain in the elbow that radiated to the shoulder.

November 26, 2025 WY · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in wielding or throwing objects

Employee was cleaning coal spill with a shovel. The employee noticed lower back pain at home after shift. Employee thought it would heal over the long weekend. On 12/3/2025 the employee sought medical attention and then reported the injury to Supervision on 12/3/2025. Employee will start losing time 12/8/2025.

October 6, 2025 WY · Coal welder (non-shop) SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

Employee got dizzy and sat down. Employee then passed out and fell to the floor. They received a laceration to the left eye brow. The laceration needed 3 sutures to close it.

September 2, 2025 WY · Coal miner, prospector, nec SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall from ladders

Employee was coming down a ladder when they slipped and fell to the ground. Employee was diagnosed with a fractured tailbone.

June 23, 2025 WY · Coal welder (non-shop) HANDLING OF MATERIALS
Kemmerer Operations, LLC · Caught in, under or between a moving and a stationary object

Employee was removing boom shims from a 6060 Shovel. The shim moved unexpectedly and pinched the employee's finger between it and a bolt. The employee received 3 stitches in the left ring finger.

May 19, 2025 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Kemmerer Operations, LLC · Over-exertion (Not Elsewhere Classified)

Employee was diagnosed with carpel tunnel in the right hand. The physician stated the injury is from operating the controls on a dozer. Employee required surgery.

February 21, 2025 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Over-exertion (Not Elsewhere Classified)

While walking to the steam bay to retrieve a truck EE slipped on some ice and trying to catch themself grabbed the side of a dumpster and experienced pain in the shoulder, neck and chest.

January 18, 2025 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Kemmerer Operations, LLC · Struck against a moving object

Employee stated they had a sore neck from a truck bed coming down onto the frame unusually hard. The employee saw an Ortho who ordered an MRI and the Ortho will not let the employee return to work.

November 16, 2024 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Over-exertion (Not Elsewhere Classified)

Employee exited their haul truck to look it over. When doing so they started to slip on the uneven ground. They twisted in an odd way to prevent themselves from falling. In doing so they strained muscles in their lower back causing muscle spasms.

September 18, 2024 WY · Coal welder (non-shop) SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

Employee was standing at the bottom of a ladder looking up asking another person a question when the employee fainted falling backwards and hit their head on the floor which resulted in a laceration on the back of their head and causing unconsciousness.

May 31, 2024 WY · Coal grader operator, roadgrader operator SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall from machine

While exiting a D10 Bulldozer after a day of training on this equipment, the employee missed the first step and fell to the ground on EE's right side.

May 30, 2024 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Struck by... (Not Elsewhere Classified)

While the Employee was hooking up a strap to lift a piece of the equipment while in the process the strap came loose and the hook on the strap struck the employee in the teeth causing one to split and chipping another.

November 18, 2023 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

Employee was cleaning up EE's work area in an outdoor location when EE slipped and fell in the mud. Employee experienced pain in the groin area. Initial diagnosis is a pulled muscle. Employee was placed on light duty.

October 9, 2023 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in lifting objects

While assisting to lift a Highwall Drill drill bit into the back of a vehicle the employee felt a pull in lower back. Employee did not think much about it and the pain grew worse with movement. After work on Thursday the pain grew worse and employee did not return on Friday. Went to doctor and was restricted until 10/17/23 when employee returned to work.

April 13, 2023 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall onto or against objects

Employee was doing EE's inspection on the 34 Shovel house when the Employee tripped and fell causing injury to EE's torso.

April 1, 2023 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

EE slipped while getting out of personal vehicle and caught self on the way down wrenching EE's back. Pain gradually gotten worse.

January 27, 2023 WY · Coal groundman, yardman SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

Employee slipped on ice in the pit. The employee tried to break the fall and in doing so landed on right elbow. This caused a small fracture in the elbow area requiring surgery.

January 12, 2023 WY · Coal outside foreman, leadman SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall from machine

Employee was doing impoundment inspections and fell off of the snow machine EE was riding. This caused a broken right index finger.

December 30, 2022 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver DISORDERS (REPEATED TRAUMA)
Kemmerer Operations, LLC · Over-exertion in pulling or pushing objects

This injury is an Occupational Illness, repetitive stress injury that was diagnosed on December 30, 2022 as being caused by pressing on the fuel pedal. *Previous treatment was ineffective. Another procedure was done on 8/29/24 with missed workdays starting 9/3/24.

November 10, 2022 WY · Coal greaser, grease man, oiler, lube man, dragline oiler HANDTOOLS (NONPOWERED)
Kemmerer Operations, LLC · Caught in, under or between a moving and a stationary object

Miner was loosening a Final Drive Drain Bolt. The socket slipped and the miners finger was pinched between the rim and the wrench. This resulted in a broken left ring finger.

August 29, 2022 WY · Coal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in lifting objects

Employee was lifting samples of coal at the tipple from the sampler. They felt a pop in their back. The employee finished their work and then let supervisor know of the incident.

April 14, 2022 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in lifting objects

The employee was lifting a pallet off of a rack when the pallet broke and caused pain in the left shoulder. The employee was checked at the local hospital and returned to duty. The employee followed up with an Orthopedic at a later date and was told has a torn Labrum. The employee continued to work until surgery on 5/26/2022.

April 4, 2022 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STEPPING OR KNEELING ON OBJECT
Kemmerer Operations, LLC · Struck against stationary object

Miner was walking from a port-a-potty to the haul truck, when EE stepped on a rock and EE's Left knee popped.

March 21, 2022 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Kemmerer Operations, LLC · Struck by... (Not Elsewhere Classified)

Employee was cutting into a wire harness with a cutting tool when it slipped and cut the top of EE's right thumb.

March 16, 2022 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Caught in, under or between a moving and a stationary object

The employee brushed against a service truck leaf spring that was stored in the Warehouse. The leaf spring began to fall and the employee reached out to grab it. In doing so the leaf spring pinched employee's right middle finger between it and a desk. The pinch resulted in a laceration that needed 7 stitches to close.

June 18, 2021 WY · Coal electrician, lineman DISORDERS (PHYSICAL AGENTS)
Kemmerer Operations, LLC · Contact with heat

While working in the afternoon with temperature near 90 degrees, an electrician working on power line and elevated in a man bucket lift, experienced heat exposure.

May 5, 2021 WY · Coal electrician, lineman SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Over-exertion (Not Elsewhere Classified)

Employee was walking in a muddy condition. The employee felt pain in the right knee. The diagnosis is a strained MCL.

March 20, 2021 WY · Coal water circuit operator, slurry operator, mix operator, pump operator worker POISONING (TOXIC MATERIALS)
Kemmerer Operations, LLC · Inhalation of radiations, caustics, toxic and noxious substances

The employee arrived at Elkol Tipple for lunch when it was noticed that EE had trouble concentrating and responding to other employees. The employees gave first aid and called our MRT team. The employee was assessed and taken to South Lincoln Medical Center where EE was treated for CO poisoning.

February 8, 2021 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Kemmerer Operations, LLC · Struck against a moving object

Employee experienced lower back pain during the shift. The pain was significant enough that EE went to the doctor who prescribed medications that prevented the individual from returning back to EE's next scheduled shift.

June 23, 2020 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion (Not Elsewhere Classified)

The employee claims EE was descending the stairway of a 793 Haul Truck in the maintenance shop. When EE made the last step to the concrete EE felt a burning sensation in EE's left foot. The initial diagnosis is a partial tear of the left Achilles tendon. The employee is awaiting a case number from Workers Comp in order to schedule EE's MRI to verify the tear.

February 11, 2020 WY · Coal welder (non-shop) SLIP OR FALL OF PERSON
Kemmerer Operations, LLC · Fall to the walkway or working surface

While walking from vehicle to the blend building employee slipped on ice resulting from melt and landed on hip and shoulder.

July 8, 2019 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Over-exertion in pulling or pushing objects

Employee was hooking up air line to start a truck and when applying pressure had a "pop" in their shoulder.

June 25, 2019 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Kemmerer Operations, LLC · Caught in, under or between a moving and a stationary object

The center cutting edge on a scraper was being adjusted to the next set of retaining holes. While rolling the edge over to clean the back of the edge it shifted pinching the middle finger on the left hand causing a laceration.

Showing all 34