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 2 active
Time period
Experience at time of incident

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The record

213 matching records

Showing 50 of 213
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

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.

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 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.

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

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.

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.

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.

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.

December 12, 2022 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Barretts Minerals Inc · Caught in, under or between a moving and a stationary object

Equipment operator shut fork truck door on little finger causing a laceration that required 4 sutures.

November 9, 2022 MA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Specialty Minerals Inc · Contact with hot objects or substances

Kiln building location. Right eye injury: employee was wearing goggles in the kiln building. The goggles had some hot lime residue on them. EE removed goggles, and a small amount of hot lime entered EE's eye causing a burn.

September 12, 2022 MA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in lifting objects

The Injured EE was carrying a five gallon water bottle for the water cooler up a flight of stairs when EE strained a muscle in EE's lower back this incident was reported on 9-12-22, the EE did not seek medical treatment until 9-23-22. Incident recordable on 9-23-22

August 10, 2022 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion in pulling or pushing objects

Repairing leveling valve on a rear suspension of a service truck (unit 622). While moving hoses and valve, reaching around differential, crossmember and frame, twisting and pulling, Employee left shoulder had a very sharp pain on the top and down the front of arm. Employee stopped working for a little while and then continued and finished moving and connecting components.

February 27, 2022 MA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Specialty Minerals Inc · Struck by rolling or sliding object

Employee was moving a waste hopper via forklift to a dumpster. They dismounted the forklift and placed a hand at the base of the hopper and then released the hopper latch. The hopper rolled over left hand, lacerating middle finger. Employee was taken to the hospital where two stitches were applied.

January 4, 2022 MA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in pulling or pushing objects

EE was retrieving a piece of plastic hose that was below a catwalk on the roof of the building. EE used a broom to retrieve the hose. While pulling the hose over the guardrail of the catwalk towards self with right hand, frozen material shifted within the hose pulling EE's right wrist outward causing sharp pain. EE was diagnosed with a strained wrist.

December 6, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in lifting objects

EE reported on 12/6/2021 they felt a sharp pain in their upper back while carrying a bucket of tools up to Pebble Mill #2 blower. On 12/7/2021 EE requested to be evaluated and was diagnosed with a cervical strain; EE was given a prescription and put on modified duty.

October 5, 2021 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Lab tech lifted bucket (approx. 20 lbs.) about 36 inches over a rail to dump into a dumpster felt a pop. EE refused medical care at that time, iced and monitored it. Next day EE stated it felt better. On 10-26-21 EE stated it wasn't getting better and wanted to see a Dr. EE was given restriction and Tylenol. On 11-24-21 MRI was performed. Surgery was scheduled for 12-16-21.

June 21, 2021 CA · Metal/Non-Metal bagging, package operator HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in lifting objects

Employee was manually packaging 50lb. bags onto a pallet for 7 hours. Next day EE's right elbow was sore. After a few weeks, employee felt more pain. Employee reported the incident to the manager on 7/12/2021.

September 17, 2020 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Specialty Minerals Inc · Struck against stationary object

A temporary haul truck driver (#54) was climbing up the steps to enter the drivers seat, when then opened the door (drivers side) to enter. The operator was holding the door handle, and as they opened the door, they struck the adjacent railing, and smashed right index finger into the railing, causing a non-displaced fracture.

September 2, 2020 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
American Colloid Company · Over-exertion in pulling or pushing objects

Employee was doing a pre-trip inspection on a truck. Employee went to remove the bolts that hold the grill guard in place and felt some pain in right shoulder.

April 22, 2020 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Barretts Minerals Inc · Over-exertion (Not Elsewhere Classified)

Walking across shop floor when hamstring began to cramp

February 12, 2020 CA · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion in pulling or pushing objects

Employee was working in the Packing Center, specifically at the pallet re-stack corner. Employee was going to repair a damaged pallet of 50 lb bags. Employee pulled out a bag to dump it in the hopper when they felt pain in their back.

October 7, 2019 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between a moving and a stationary object

Employee was cleaning out a brake box on the trailer of the haul wagon when employee's hand got pinched between the slack adjuster and the housing. The right index finger was dislocated and also had a laceration that needed stitched. The EE was wearing cut resistant gloves at the time of the incident.

August 6, 2019 MA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

Right index finger tip pinched between v belt and a sheave during a belt change. The injury was a fracture which needed surgical repair so the employee lost three workdays while getting medical attention. The employee returned to work on 8/12/19.

May 27, 2019 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was cleaning out an elevator when EE's elbow began to hurt.

March 29, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Struck by flying object

Removing u joint from truck when flying debris struck mechanic across the nose, cutting mechanic's nose and requiring 3 stitches

February 14, 2019 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Struck against stationary object

Employee cut index finger on sharp edge of a guard while trying to open the guard to check the drive belts.

February 12, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

The employee was climbing up on a scraper to retrieve some tools. As ee was climbing up, ee felt some pain in right bicep. The employee was seen by a doctor and it was determined that ee has a tear in right bicep.

November 14, 2018 MA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Specialty Minerals Inc · Struck against stationary object

The employee was operating the sand truck and pulled over to inspect the level of the sand hopper and employee's right small finger contacted a sharp piece of metal on the dump truck body. Employee's finger was lacerated and required sutures.

November 14, 2018 ND · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

EE was cleaning screens and one of the screens fell off the box it was on and the EE reached out to catch it. EE felt a pop in the right bicep.

July 23, 2018 MT · Metal/Non-Metal drill helper HANDLING OF MATERIALS
Barretts Minerals Inc · Struck by... (Not Elsewhere Classified)

Individual was getting supplies out of a Job (Knack) box, when the individuals head caught the lid. Causing the lid to close on the back of the head.

March 13, 2018 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Absorption of radiations, caustics, toxic and noxious substances

EE was filling windshield wash reservoir and it squirted into right eye. Employee was wearing safety glasses. The fluid came up and under the bottom of the glasses.

March 5, 2018 CT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Specialty Minerals Inc · Contact with hot objects or substances

While trying to unplug wet stone the 273 feed bin the employee reach into the bin cone to remove some stone that had the consistency of mud. The bin unclogged and dropped hot stone, freshly delivered from the SCD dryer, onto hand. Hot stone went inside the employee's glove and gave parts of hand 2nd degree burns.

February 5, 2018 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Barretts Minerals Inc · Struck by... (Not Elsewhere Classified)

Maintenance employee was conducting routine work of rotating cutting edge on Cat 966K Loader when worn carriage bolt spun and caused a laceration on the left middle finger of the employee. Standard leather gloves were being worn.

January 16, 2018 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Specialty Minerals Inc · Caught in, under or between a moving and a stationary object

Employee was using a forklift and noticed that there was slack in one of the chains which raise and lower the forks and decided to adjust the chains. The Operator tried to realign the chain onto the pulley, when the chain moved and caught the right hand between the chain and the pulley. This resulted in avulsion to the right index finger

August 23, 2017 WY · Metal/Non-Metal bagging, package operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Employee was lifting a 40 lb bag and felt pain in EE's mid back. EE was evaluated by a Dr. and placed on a 20 lb lifting restriction.

August 21, 2017 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Struck by flying object

Employee unloading a tire from pick up and tire bounced and hit employee's leg in the knee area. Two weeks later the employee started to have swelling in the ankle and was looked at again and it found that employee had an abscess in the lower leg and had to have minor surgery to remove infected area.

April 3, 2017 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Barretts Minerals Inc · Struck by... (Not Elsewhere Classified)

Employee was changing a dual windshield wiper. EE was loosening the wiper arm from the broken stud. The wiper arm swung back and hit the employee right ring finger.

March 29, 2017 CT · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Specialty Minerals Inc · Over-exertion (Not Elsewhere Classified)

A maintenance employee was rolling up 50 foot sections of an old conveyor belt for disposal. After finishing rolling up 3 sections the employee started another section. EE started rolling in the kneeling position for 1 turn then EE stood up and hurt EE's lower back. EE went to a doctor on 4/3/17 who diagnose a muscle strain and reported the injury to management at that time.

March 2, 2017 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee turn door knob in break room and felt wrist pop.

December 26, 2016 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Employee was opening hopper car doors on top of the railcars and one of the lids was frozen down on one end. When employee was lifting the door, employee felt a sharp pain in employee's back.

December 15, 2016 MA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Specialty Minerals Inc · Contact with hot objects or substances

The employee was changing an oil gun from a kiln and EE's right wrist was burned from hot kiln exhaust under the cuff of EE's glove.

September 20, 2016 ND · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Miner aggravated a bilateral hernia condition on their left side when lifting 50lbs lignite bags and stacking them on a pallet.

August 22, 2016 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Barretts Minerals Inc · Struck by falling object

Employee was in the process of lifting a magnet up a couple flights of stairs. While setting up lifting device employee anchored a chain around a section of hand railing and tied a chain hoist to it and began to pull the chain on the hoist to bring the hook down to hook on the magnet when the hand railing broke falling to the ground with something contacting forehead.

Showing 50 of 213