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

511 total records

Showing 50 of 511
March 25, 2026 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
American Colloid Company · Struck against stationary object

Employee sat up, their hard hat fell off, and they bumped their head on the edge of their toolbox. They recieved 12 staples at the Emergency room

February 24, 2026 CT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Specialty Minerals Inc · Fall to the walkway or working surface

Miner was walking from SS to SCD, slipped and fell striking EE's head on the ground. The miner didn't lose consciousness and EE got up and went to SCD where EE reported the fall. Miner initially refused medical treatment then decided to go to the ER for evaluation. Physician removed miner from duty for 1 shift as part of a mild concussion treatment.

January 16, 2026 CT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Specialty Minerals Inc · Caught in, under or between running or meshing objects

A SCD operator was replacing the drive belt on a conveyor when EE's gloved right hand became entangled in the sheave due to not performing lock out tag out. The miner sustained multiple injuries, including a fracture and multiple lacerations, to EE's right hand.

October 21, 2025 WY · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

An employee was moving a 3-inch pump. The employee mis stepped into a soft spot, and right leg got stuck approximately 8 to 10 inches deep in the mud. When the employee pulled their leg out of the mud, they felt their right knee pop. The employee is now using crutches

September 26, 2025 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
American Colloid Company · Struck by... (Not Elsewhere Classified)

Employee was tightening a bolt on a bar disintegrator when the wrench slipped off hitting the employee in the mouth causing a small cut on the upper part of the chin and a chipped tooth.

July 23, 2025 WY · Metal/Non-Metal scraper-loader operator MACHINERY
American Colloid Company · Struck against a moving object

The scraper fell off the push block while push pulling

July 10, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
Specialty Minerals Inc · Struck against stationary object

Employee exited the cab of a Cat 777 F haul truck, when they stood upright they bumped their head against the truck bed's canopy.

March 13, 2025 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
American Colloid Company · Fall from machine

Employee fell off of the dozer causing EE brake EE's left collar bone

February 10, 2025 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Slipped on icy road

January 27, 2025 WY · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was entering skidsteer. Employee placed left foot on the skidsteer and used right foot to push off to get up into it. Employee felt a pop in right knee and was unable to put any weight on it. Employee received medical attention and was treated with x-rays, knee brace and crutches.

January 10, 2025 MA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Specialty Minerals Inc · Absorption of radiations, caustics, toxic and noxious substances

Employee pushed up safety glasses repeatedly, got some emulsion on their nose from gloves. EE developed small blisters later in the evening. Went to clinic two days later, diagnosed with 2nd degree burn.

December 13, 2024 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion (Not Elsewhere Classified)

Employee, with the help of coworker who was on the bed of a pickup truck, were unloading a 123 lbs. box from the pickup bed. Employee was holding the corner of the box with their right hand when the box was dropping off the truck. As the box was dropping to the ground, employee stopped the box from falling and was easing the box to the ground when felt pain in their right arm.

December 3, 2024 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
American Colloid Company · Fall to the walkway or working surface

Employees walking down a slope and misstep causing them to fall and tear their ACL and fracture their tibia.

November 18, 2024 CA · Metal/Non-Metal plumber, pipefitter, millwright HANDLING OF MATERIALS
Specialty Minerals Inc · Struck by falling object

working on replacing a belt conveyer pulley the guard was unsecure slid down and EE's left middle finger and cut it

October 21, 2024 CA · Metal/Non-Metal welder (non-shop) HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in lifting objects

Conditions were normal, EE lifted a floor pan into place and felt a pop in EE's right side of chest

October 21, 2024 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

A forklift operator exited the forklift and attempted to disengage the catch lever manually. The employee placed left hand on the forks to stabilize the hopper skid plate. The employee disengaged the hopper's catch lever causing a weight transfer to the front. The hopper's rear skid lifted crushing the employee's index and middle fingers between the fork and skid.

August 9, 2024 CA · Metal/Non-Metal ENTRAPMENT
Specialty Minerals Inc · Accident type, without injuries

Dozer(D10) operator was pushing material. Operator was preparing to push a ramp to get off from a shot. Operator observed material falling off from the highwall. Operator tried to back up but material hit the Dozer. The material shattered the cab door window and minor damage to the loader engine area. The operator drove the Dozer to a safe location before notifying EE' team leader.

July 3, 2024 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Barretts Minerals Inc · Caught in, under or between a moving and a stationary object

Employee was assisting mechanic close a door on the roller mill when EE's finger was pinched in the door causing a laceration requiring 6 sutures.

June 27, 2024 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
American Colloid Company · Struck by falling object

Maintenance employee was removing a partial piece of an auger from the rotex deck. The auger caught on the latch as they were lowering it at waist level and it fell to the catwalk where EE was standing. It hit EE's boot across the steel toe and just behind the steel toe. This caused EE's big toe to become displaced and fractured requiring surgery.

June 1, 2024 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Specialty Minerals Inc · (Not Elsewhere Classified)

Employee of 6 months was working on crusher feeder motor the employee removed the guard, and there was more guarding around it so, they had to stretch. Employee was on their knees reaching arm-length away to diagnose and repair the motor. They stayed in that position for approximately 20 minutes. The pain increased gradually, it turned mild after they stood up.

May 17, 2024 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee was Push pulling in the pit when the push block got hooked on top of the stinger of the other scraper in front of the employee. When it came off, the scraper slammed down jarring employee's back. Employee was diagnosed with a back strain.

April 16, 2024 WY · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor DISORDERS (REPEATED TRAUMA)
American Colloid Company · (Not Elsewhere Classified)

recordable hearing shift.

April 12, 2024 MA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech NONPOWERED HAULAGE
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

Miner Injured moving a 55-gallon oil drum on dolly. Drum was not set properly on dolly and miner adjusted drum. While adjusting drum right pointer finger was pinched between drum and dolly resulting in a hairline fracture and laceration. Gloves were worn.

March 18, 2024 CT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

Upon review determined 7K1 was not filed. EE was moving railcars as Groundman. Inertia generated by failed coupling caused trailing railcar to move creating gap between knuckles.EE adjusted knuckle then walked between knuckles verifying hand brake was set. As EE was walking sideways between the knuckles, the rail car returned to the location of the failed coupling, crushing the EE.

February 17, 2024 WY · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
American Colloid Company · Fall from machine

The employee was doing a pre-operation inspection when the employee was filling the coolant of the 16 m blade. Employee bent down to open the engine compartment and woke up on the ground, walked to truck and called for help.

February 14, 2024 CA · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in pulling or pushing objects

Loading a shot, pulling on a hose, hurt shoulder (1st day of treatment 2/22/24).

January 29, 2024 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Miner was lifting a roll of shrink wrap to replace an empty roll and felt small popping sensation in right arm.

January 11, 2024 CA · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

On Thursday Jan 11th, 2024, a mill employee of 2 years and 11 months of experience went to check on CBE 74 by the tunnels at 03:00am. When the employee entered the door to the drier building, a gush of high wind pushed the door getting their fourth finger on the right hand slammed between the door frame and the door.

January 4, 2024 WY · Metal/Non-Metal scraper-loader operator EXPLODING VESSELS UNDER PRESSURE
American Colloid Company · Struck by flying object

A contractor (ICS)(Melgaard Construction Co Inc) was fueling a scraper when EE climbed on top of the scraper and opened the fuel cap. The pressure in the fuel tank then caused the fuel cap to blow off and hit EE in the face splitting EE's lip. Employee received 6 stitches at the ER.

December 17, 2023 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Specialty Minerals Inc · Fall to the walkway or working surface

A technician was performing EE's lube routes Sunday, 17-Dec-23 at approximately 2 p.m.. EE was carrying a bucket with EE's lube gun. While walking on the transition point, EE slipped and fell to EE's knees. EE attempted to break the fall with the arm carrying the bucket. EE felt a "pop" in EE's right shoulder.

November 21, 2023 MA · Metal/Non-Metal electrician, lineman HANDTOOLS (NONPOWERED)
Specialty Minerals Inc · Struck by falling object

Injured EE reached for falling screwdriver. Index finger caught between screwdriver & equipment housing. Resulting in fractured index finger.

November 8, 2023 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Specialty Minerals Inc · Struck by... (Not Elsewhere Classified)

While removing a product line on a railcar the ee pulled the line hitting a tooth, causing it to chip. Temp. agency reported this incident as a first aid. It was not until EHS manager spoke to the ee on the week of 2/5. EE mentioned the chipped tooth was repaired at the dentist. Since it was a temp employee from an agency, EHS contacted MSHA for advice on behalf of SMI.

October 14, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
American Colloid Company · Struck against stationary object

Employee was coming down the ramp when the bucket hit and dug into the ground. The loader came to an abrupted stop causing employee to hit head on the windshield.

October 4, 2023 CA · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Specialty Minerals Inc · Fall from machine

On Wednesday October 4th, 2023. A swing shift employee of 2 years and 3 months in the company suffered a back sprain while descending from the G-loader at the beginning of their break at 22:30. As the employee stepped down the ladder, their left foot slipped and went through the last and 2nd to last rungs making them loose grip of their left hand from the handrail.

August 30, 2023 WY · Metal/Non-Metal scraper-loader operator POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee was operating a scraper. While dumping, EE turned to look back at the apron and hit a large bump. EE felt a pop and burning sensation in the lower right side of back. Employee was diagnosed with low back pain, sciatica and prescribed a muscle relaxer.

August 28, 2023 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Specialty Minerals Inc · Struck by... (Not Elsewhere Classified)

Two maintenance technician were replacing a rotary lock motor. As the motor was stuck a sledge hammer was used to tap loose the motor. However when one of the technicians struck the motor with the sledge hammer not realizing the other technician apparently had placed left hand under the motor to support it when left thumb was struck.

August 25, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
American Colloid Company · Over-exertion (Not Elsewhere Classified)

As the employee was finishing barring out a crude hopper, they went to put the bar away and felt a pop in right shoulder, and pain afterwards.

August 4, 2023 WY · Metal/Non-Metal scraper-loader operator POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee was operating a scraper on rough roads. EE felt sore when EE got home and then woke up the next day stiff and sore. EE was diagnosed with lumbar strain. EE was prescribed a muscle relaxer and given restrictions.

July 14, 2023 MA · Metal/Non-Metal plumber, pipefitter, millwright HANDLING OF MATERIALS
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

During the installation of a rotary valve to a hopper the injured EE lacerated left pointer finger from a pinch injury between the two flanges of the equipment being installed. The EE was reaching between the flanges to apply a gasket material when load swing occurred shearing the EE's finger between the two components.

July 12, 2023 WY · Metal/Non-Metal scraper-loader operator POWERED HAULAGE
American Colloid Company · Caught in, under or between a moving and a stationary object

While operating a CAT scraper, a chunk slipped out from under the scraper tire, jolting the employee around and employees fingers jammed between the joystick (controls). Employee was seen at hospital and has a sprained finger.

July 7, 2023 WY · Metal/Non-Metal scraper-loader operator POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee was running scraper push pulling in the cut. Came out of the cut and hit a rough spot on the floor traveling to the dump. After that they single loaded and covered the rough area with material to smooth it out. After lunch EE's neck started to hurt and burn so EE parked the machine and wanted to go get checked out at the clinic.

June 22, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
American Colloid Company · Caught in, under or between a moving and a stationary object

Was performing end of shift housekeeping duties. Pinched thumb in between cleaning rake and metal frame of conveyor system.

May 1, 2023 WY · Metal/Non-Metal mine manager, mine foreman, mine owner OTHER
American Colloid Company · (Not Elsewhere Classified)

Audiological review due to STS. This employee experienced a recordable degree Standard Threshold shift in the Right ear on the 2023 annual review when compared to the 2006 baseline. The STS was confirmed on subsequent testing. Review of the conservation hearing program records indicates the STS does meet the requirements for recording based on the information provided.

April 10, 2023 AL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer ELECTRICAL
American Colloid Company Mineral Group · Flash burns (electric)

An equipment operator in the mine suffered a burn on right hand from an electrical arc flash. During shift start up at the pre-shift huddle, the operator was attempting to plug a 220-volt floor standing space heater into an outlet when it flashed, resulting in a burn to the operator's palm.

March 27, 2023 WY · Metal/Non-Metal scraper-loader operator POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee was loading dirt with the scraper when operator bounced through a deep cut while pulling the can lever. As the operator hit the deep cut, the scraper dropped into the cut. The seat extended all the way up then down, causing the employee to jam arm & shoulder while holding the can lever.

March 21, 2023 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
American Colloid Company · Struck against a moving object

Employee had been running a scraper in the mining pit with chunks when they finished running the scraper, they had a sore neck.

March 3, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
American Colloid Company · Fall to the walkway or working surface

An employee was walking to the mobile shop from the parked loader, when EE slid on some mud and fell. As EE tried to get out of the mud, EE's boots became stuck into the mud. Employee lifted right leg, felt a pop in the right knee, and fell to the ground.

January 24, 2023 AL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
American Colloid Company Mineral Group · Over-exertion in pulling or pushing objects

At 8:30 am, a Heavy Equipment Operator who has worked at Sandy Ridge for 8 years with 10 months experience in the mining department was starting a 4-horsepower gasoline powered water pump when EE strained EE's lower back while pulling on the engine starting pull cord.

Showing 50 of 511