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
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The record

173 total records

Showing 50 of 173
April 2, 2026 WY · Metal/Non-Metal miner, prospector, nec MACHINERY
Mountain Cement Company LLC · Struck by falling object

Contractor was puttting beams in clinker cooler when rigging slipped causing beam to slip and and smash EE's left pinky

March 31, 2026 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator NONPOWERED HAULAGE
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

Employee has transferring material in a wheelbarrow when EE made contact with a stationary steel fan shroud. EE's left pinkie finger tip was pinched between the left wheelbarrow handle and the fan housing edge.

March 23, 2026 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

EE was talking when EE's coworker struck a column with a broken piece of aluminum handle when EE lifted EE's hand into the swinging area. EE received a laceration to EE's left middle finger, took EE to clinic for stiches.

March 16, 2026 WY · Metal/Non-Metal mechanic helper MACHINERY
Mountain Cement Company LLC · Struck by flying object

While grinding there was paint and metal particles that blew into EE's eye, EE was wearing foam lined glasses and also a face shield. Wind from the west 21MPH at the time of the incident.

March 6, 2026 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Mountain Cement Company LLC · Unclassified, insufficient data

An unresponsive truck driver was found in the driver seat of their haul truck. 9-1-1 was notified at 12:51P on Friday, March 6, 2026.

March 3, 2026 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

EE was opening a box of welding rods using a self-retracting blade box cutter. While cutting the thick protective plastic covering, EE cut in a direction toward self. During the cutting motion, the knife got caught in the plastic, it became free the pulling motion caused a laceration to the middle joint (knuckle) of EE's left thumb.

February 19, 2026 WY · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Mountain Cement Company LLC · Absorption of radiations, caustics, toxic and noxious substances

Cement dust in eyes while troubleshooting a finish mill grinding circuit

January 14, 2026 WY · Metal/Non-Metal welder (non-shop) HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

While moving guard employee pinched left ring finger, causing the nail to come off. The finger was smashed between the guard and the railing.

January 13, 2026 WY · Metal/Non-Metal FIRE
Mountain Cement Company LLC · Accident type, without injuries

The fire was called in when detected, through MSHA's Emergency hotline number on the morning of 01/13/2026. A 103(K) Order (No. 5056976) was issued for the electrical rooms affected by the fire, on 01/22/26. On 04/24/2026 A Denver office inspector was on-site for other purposes and mentioned a 7000-1 needed to be filed for the fire; this submittal is fulfilling that request.

December 13, 2025 WY · Metal/Non-Metal plumber, pipefitter, millwright MACHINERY
Mountain Cement Company LLC · Over-exertion in lifting objects

While cutting and welding on a manlift, an employee developed lower back pain. After notifying their foreman and resting, they sought medical attention. A safety representative escorted them to a clinic, where a physician diagnosed a lower back sprain. Employee was prescribed medication and stretching exercises

October 7, 2025 WY · Metal/Non-Metal steel worker, iron metal worker, iron worker MACHINERY
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

EE was giving signals by radio to the crane operator, gave command to "hold it" 3 different time and the crane continued to boom up. The brace that was rigged and to be connected had too much pressure, was being held with spud wrench, flung the brace around and struck EE inside the right forearm causing a 5"2" laceration.

October 7, 2025 WY · Metal/Non-Metal steel worker, iron metal worker, iron worker MACHINERY
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

EE was lubing up a "Pile Shackle" as preventative maintenance, the pin was in the "out" position and the pin was dislodged. EE held the pile shackle with EE's left hand to keep it stable and was greasing with EE's right hand, the pin pinched EE's nail off and also part of the tip of the pointer finger.

July 15, 2025 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Absorption of radiations, caustics, toxic and noxious substances

Employee was shoveling dust with other employees in a tight location when they were hit on side of head by another employee causing their goggles to become dislodged. When this happened, injured employee was exposed to dust that irritated their eyes.

June 30, 2025 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator STRIKING OR BUMPING
Mountain Cement Company LLC · Struck against stationary object

A plant employee was walking up the ramp to the 700 belt to inspect the grinding aid flow. While ducking under one of the newly installed beams for the weigh feeder, the employee raised their head and struck forehead on the second beam. The impact caused their safety glasses to shift and cut deeply on their forehead.

June 9, 2025 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Over-exertion in lifting objects

Employee was shoveling material from underneath a conveyer in the Finish Mill area when EE felt discomfort in EE's lower back.

May 8, 2025 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Absorption of radiations, caustics, toxic and noxious substances

A dust collector mechanic was changing out filter bags for a cement silo dust collector and after a two hour period noticed an eye irritation. The employee stopped work and flushed eyes multiple times but needed off-site assistance from a medical care facility.

April 30, 2024 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

High winds blew a door closed that employee had open while pulling an air hose through. When the door was slamming shut employee reached and right thumb got pinched between the metal door and the door jamb, on the hinged side of the door.

February 28, 2024 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Over-exertion in lifting objects

Employee was installing dust collector bags/wire cages (24' long). While installing a cage, weighing approximately 12 lbs., they felt a "pop" in left shoulder, and felt pain in the shoulder.

February 1, 2024 WY · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Mountain Cement Company LLC · Fall to the walkway or working surface

Walking from shop area to jobsite employee felt and heard a "pop" in right knee which caused employee to fall down. The knee was looked at that morning and a small fracture to the kneecap was diagnosed. Results of an MRI are pending as of 2/13/24.

June 25, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Mountain Cement Company LLC · Struck by flying object

Employee was operating the plant loader, inside an enclosed cab, when a dust particle traveled from the cab's ventilation system to the operator's right eye.

May 26, 2023 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

Employee's left index finger was struck with a piece of 1" by 1" stock metal while employee was holding back a chop saw guard that was in the process of getting it's cutting wheel replaced. The index finger required 11 stitches.

August 18, 2022 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

While replacing a 480VAC electric motor, an employee's finger was caught between the motor and an adjacent fan housing, resulting in a laceration and fracture between the 2nd and 3rd knuckles of EE's left ring finger.

May 13, 2022 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

An employee's finger was smashed while lifting a guard into place.

December 23, 2021 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

A miner's fall protection lanyard hook got caught on a railing behind EE when EE climbed down a ladder. At the bottom of the ladder EE felt the tension and turned just in time for the hook to retract toward EE, striking EE in the face and breaking two teeth.

September 6, 2021 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

As a utility operator was descending from the bricking rig platform, EE's foot slipped. EE tried to catch self with one hand on the platform access swing gate, and EE's thumb was pinched between the vertical member of the gate and its support post. EE received stitches and was diagnosed with a fracture to the tip of thumb.

September 5, 2021 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Mountain Cement Company LLC · Fall onto or against objects

While hand-wheeling a 380 lb. tractor drive wheel into position to be changed, a haul truck driver lost control of the wheel and then fell onto the wheel, resulting in 2 broken vertebrae in EE's back.

July 23, 2021 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Mountain Cement Company LLC · Over-exertion in pulling or pushing objects

While using a pry bar to release a stuck open-top railcar gate latch, employee felt a pop in EE's right shoulder, resulting in medical treatment and work restrictions for a suspected torn rotator cuff.

June 21, 2021 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Absorption of radiations, caustics, toxic and noxious substances

A laborer was treated with numbing, flushing, antibiotic ointment, and anti-inflammatory drops for a chemical burn to EE's right eye after EE opened a compartment lid during cleanup operations and cement clinker dust was blown into EE's eye.

March 11, 2021 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Absorption of radiations, caustics, toxic and noxious substances

Plant maintenance mechanic/welder received a cement burn to the eye after dust dislodged from an overhead beam and entered the eye.

January 22, 2021 WY · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor STEPPING OR KNEELING ON OBJECT
Mountain Cement Company LLC · Struck against stationary object

While using a 6' bar to clear a hammer mill plug, employee took a step backward and stepped on a 1 1/2" clinker ball, resulting in a fracture to the right foot.

October 28, 2020 WY · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Mountain Cement Company LLC · Fall onto or against objects

Employee was moving a railcar with a hand jack. After several successful moves, the jack failed to bite, putting the employee slightly off balance. EE had unknowingly moved onto an icy surface and feet slipped out from under them. EE's arm caught on part of the railcar as they fell, resulting in a dislocated elbow.

September 11, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

While troubleshooting a limit switch, an employee's hand was caught between a valve actuator linkage arm and a linkage post, resulting in contusions, swelling, and sprains to the hand, wrist, and fingers.

August 28, 2019 WY · Metal/Non-Metal welder (non-shop) POISONING (TOXIC MATERIALS)
Mountain Cement Company LLC · Inhalation of radiations, caustics, toxic and noxious substances

After using aerosol degreaser, welding, and air arcing, an employee felt pain in their chest and sought medical treatment.

August 2, 2019 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

An employee's finger was caught between a machine guard panel and a belt's framework above when another employee attempted to lift another panel into position with a skid steer loader, resulting in a laceration requiring stitches and light duty.

March 6, 2019 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

Employee was attempting to remove a chunk of shale from a weigh feeder when the chunk rotated up and pinched the employee's left index finger between it and the top of the weigh feeder box, resulting in a laceration approximately 1" long. The employee received 5 stitches and one day of light duty.

January 29, 2019 WY · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Mountain Cement Company LLC · Over-exertion (Not Elsewhere Classified)

Employee was leaving inside of mill. As EE was leaving mill EE's grip slipped and EE fell. As EE fell EE caught self and "strained the right shoulder muscle". That was diagnosis from ER

January 28, 2019 WY · Metal/Non-Metal welder (shop) MACHINERY
Mountain Cement Company LLC · Struck by flying object

Employee was gouging in a mill. Wearing required PPE. After gouging employee felt an irritation in left eye. Employee flushed eye. The irritation went away. Employee returned to work with no concern. The irritation returned and employee talked to supervisor. Suprvisor took to DR. Dr prescribed ointment and eyedrops.

January 24, 2019 WY · Metal/Non-Metal electrician, lineman FIRE
Mountain Cement Company LLC · Inhalation of radiations, caustics, toxic and noxious substances

An electrician suffered smoke inhalation while trying to determine the source and extent of a fire. The EE was administered oxygen at the scene and received diagnostic tests, a saline IV, and an albuterol inhaler at the hospital, where EE was observed for approx. 3 hours and released with no restrictions.

November 29, 2018 WY · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck against stationary object

Employee hit top of left kneecap on underside of 2nd rung of 5 ft. fixed ladder while climbing to retrieve a coal sample from Kiln 2 under normal operating conditions.

November 15, 2017 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck by flying object

Employee was working inside of an empty cement silo. The employee was drilling holes for dowels to repair the silo. There was dust in the air and was sticking to the employees face. The employee wiped face and some dust got in eye. The employee was wearing safety glasses, but removed them to wipe the sweat from face.

November 15, 2017 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Struck by flying object

Contractor did not notify Mine operator about incident until 11/20/2017. Contractor said that employee received prescription eye drops after getting dust flushed out of eye.

September 29, 2017 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between a moving and a stationary object

Injured pinched middle and ring finger of left hand between the push bar on the kiln shell cooling fan and the track the fan wheel run on.

August 14, 2017 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDTOOLS (NONPOWERED)
Mountain Cement Company LLC · Contact with hot objects or substances

Flushing material from a hopper made contact with operator's legs, neck, belly, mouth. This material was around 800 degrees Fahrenheit. Improper PPE.

June 19, 2017 WY · Metal/Non-Metal mine manager, mine foreman, mine owner MACHINERY
Mountain Cement Company LLC · Caught in, under or between running or meshing objects

Contractor pushed left thumb into a wire wheel on a pedestal grinder while cleaning bolts. The flesh was removed from thumb.

February 22, 2016 WY · Metal/Non-Metal electrician, lineman MACHINERY
Mountain Cement Company LLC · Caught in, under or between (Not Elsewhere Classified)

Employee placed left hand in pinch point and index finger received laceration.

January 15, 2016 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Over-exertion (Not Elsewhere Classified)

While the employee was doing regular duties EE's bicep tendon detached from forearm. This injury is the result of a degenerative condition found in mostly men from mid-thirties and older.

November 22, 2015 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
Mountain Cement Company LLC · Bodily reaction, (Not Elsewhere Classified)

Employee slipped and caught himself causing back muscle strain resulting in reduction of work duties.

May 14, 2015 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mountain Cement Company LLC · Caught in, under or between (Not Elsewhere Classified)

Left wrist was pinched between angle iron and framework of screener.

July 17, 2014 WY · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Mountain Cement Company LLC · Over-exertion (Not Elsewhere Classified)

Walking around/ between pallets right foot caught on pallet corner lost balance and right foot planted on ground and twisted causing fracture to right foot.

February 25, 2014 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Mountain Cement Company LLC · Struck by... (Not Elsewhere Classified)

Small finger on the right hand was crushed by steel bar. The utility operator was dislodging a plug and bar caught the rotor feeder slamming his hand against the edge of the hopper. No stitches, no broken bones, just prescription for pain and an antibiotic. No loss time. Returns to work next shift.

Showing 50 of 173