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

341 total records

Showing 50 of 341
May 22, 2026 SD · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management DISORDERS (REPEATED TRAUMA)
Pete Lien & Sons Inc · (Not Elsewhere Classified)

Audiogram identified STS

April 17, 2026 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant POWERED HAULAGE
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

While adjusting the telehandler forks EE pinched EE's finger, resulting in a laceration.

March 15, 2026 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Absorption of radiations, caustics, toxic and noxious substances

While installing a side plate on a feeder, a vibrator activated and blew dust under EE's goggles and into EE's eye. EE went to urgent care, where a small lime particle was removed from EE's eye.

August 10, 2025 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Employee strained EE's wrist while changing out a bag in a baghouse.

August 7, 2025 WY · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

While working, the employee experienced pain in groin area. A doctor's examination identified an inguinal hernia.

July 22, 2025 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in lifting objects

Mechanic from other operation was helping and strained their back while removing a side panel from an excavator. Reportable due to doctor prescribing prescription medication.

April 1, 2025 CO · Metal/Non-Metal miner, prospector, nec POWERED HAULAGE
Pete Lien and Sons, Inc. · Struck by powered moving object

The mirror of a customer's truck contacted employee's hand while they were providing direction from portable steps, causing a hand contusion.

February 6, 2025 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien and Sons, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was crouched down and felt a pop in EE's knee when EE stood up. Employee was seen by a doctor on 02/06/25, where EE did not receive any treatment and was not placed on modified duty. EE was seen again on 02/17/25, where EE was placed on modified duty.

January 14, 2025 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

Employee was shifting a 55 gallon drum on a pallet when EE's finger got pinched between two drums.

December 30, 2024 SD · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Employee slipped on snow covered step of loader resulting in knee pain.

October 21, 2024 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Pete Lien & Sons Inc · Struck by falling object

Employee was changing out a bearing on a hydrator. While lowering the bearing it slipped and fell onto employee's right foot causing bruising and swelling.

October 13, 2024 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Pete Lien & Sons Inc · (Not Elsewhere Classified)

Employee reported feeling lightheaded and dizzy. Seen at clinic and cleared for work but referred to an ear specialist later for noncommunicable condition resulting in swelling in employee's ear. Employee reported a possible connection to a loud noise employee heard earlier in the shift as a loader filled an empty hopper.

October 13, 2024 SD · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Fall down stairs

Plant Support Specialist was descending stairs when they fell forward landing on their right heel and contacting the middle handrail on the landing with their knee.

July 16, 2024 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Struck by falling object

The employee was installing rubber skirting at the plant when dust flaked off from above and fell between goggles and face. The material caused eye irritation requiring treatment.

July 15, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Pete Lien and Sons, Inc. · Struck by flying object

Employee was welding on a pipe and the wind blew metal shavings beneath employee's mask and safety glasses into left eye.

June 24, 2024 WY · Metal/Non-Metal master mechanic, foreman, supervisor HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in lifting objects

Employee was team lifting rocks off a catwalk when they felt a pull in their stomach.

June 17, 2024 SD · Metal/Non-Metal vacuum filter operator, flotation mill/concentrator operator, flotation plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

a plant assistant was rolling a drive belt onto a crusher. While manually rolling the belt on, three fingers were pinched between the belt and sheave resulting in 2 fractured fingertips.

June 14, 2024 SD · Metal/Non-Metal dry screening plant operator, screen house operator SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Employee reported knee pain on 6/19 that they associated with a funny feeling in their knee while operating a walk behind skid steer on 6/14. Employee was seen by a physician on 6/21 and put on restrictions.

May 3, 2024 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
Pete Lien & Sons Inc · Struck against stationary object

Employee was descending staircase by C754 and slipped on the bottom step and rolled ankle on a rock at the stoop of the staircase.

December 23, 2023 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Absorption of radiations, caustics, toxic and noxious substances

Employee opened an inspection port to check the flow of material when material broke free resulting in hydrated lime coming out of the port and into the employees face. The employee was taken to a clinic to be seen by a physician. No treatment was required but the employee was provided prescription antibiotic drops as preventative care.

December 7, 2023 SD · Metal/Non-Metal miner, prospector, nec POWERED HAULAGE
Pete Lien & Sons Inc · Struck against a moving object

Employee was operating a front end loader, they leaned on right arm to adjust seat, hit a pothole and jammed their right arm up into their neck resulting in right shoulder pain. The incident was reported on 12/13/23.

September 20, 2023 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant DISORDERS (REPEATED TRAUMA)
Pete Lien & Sons Inc · (Not Elsewhere Classified)

Audiogram confirmation of Hearing STS

September 6, 2023 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
Pete Lien & Sons Inc · Struck against stationary object

A plant assistant was assisting in a screen change. EE was kneeling down to hand another plant assistant a pry bar. EE knelt down on a rock causing EE some pain as EE stood up and had some slight pain in EE's knee. The employee continued to work and reported the EE's knee pain on 9/7 and then received treatment.

August 16, 2023 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Pete Lien and Sons, Inc. · (Not Elsewhere Classified)

Reportable Hearing STS. Audiogram clinic review of 2023 audiograms indicated that the clinic missed a 2022 recordable STS due to issues transferring baseline data to the new clinic's system. This report is for a 2022 confirmed STS confirmed to the operator by the clinic on 08/16/23.

August 16, 2023 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Pete Lien and Sons, Inc. · (Not Elsewhere Classified)

Reportable Hearing STS. Audiogram clinic review of 2023 audiograms indicated that the clinic missed a 2022 recordable STS due to issues with transferring baseline data to the new clinic's system. This report is for a 2022 STS confirmed to the operator by the clinic on 8/16/2023.

July 25, 2023 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Absorption of radiations, caustics, toxic and noxious substances

Employee was washing lime off of a piece of plant equipment to remove an access door and some lime and water got inside EE's rubber boot causing a lime burn on EE's calf. Employee reported on 8/2 after EE treated with first aid originally and then later got antibiotics for infection of the burned area.

May 17, 2023 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Pete Lien & Sons Inc · Caught in, under or between running or meshing objects

Employee had a gloved hand on a lift chain when employee gave the command to raise the load. Employee's glove was pinched in the chain pulling employee's finger tip in the pulley before employee pulled hand out of the glove. Resulting in a fractured finger tip.

May 15, 2023 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Pete Lien & Sons Inc · Bodily reaction, (Not Elsewhere Classified)

Employee was loading a customer truck from T243 and turned to close a gate when employee felt a sudden sharp pop in lower left leg.

May 2, 2023 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Pete Lien & Sons Inc · Caught in, under or between running or meshing objects

Employee was inspecting tracking on a bagging belt. When they squatted down to inspect the belt from beneath they brought a hand up and the belt caught their glove pulling their thumb between the belt and a pulley.

January 27, 2023 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in lifting objects

Employee was shoveling material when EE felt a pain in EE's lower back.

November 26, 2022 SD · Metal/Non-Metal dry screening plant operator, screen house operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in pulling or pushing objects

Employee was climbing down the ladder of loader. When they got to the last step they felt their shoulder pop before letting go of the ladder and pop back into place after letting go. They reported joint pain the following day and was placed on restricted duty.

July 18, 2022 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Employee was sitting with body at a compound angle while shooting clinker in the preheater. Employee finished the task and stood up when employee felt a sharp pain in lower back.

June 30, 2022 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Pete Lien and Sons, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was trying to put a track back on the drill. The bar the employee was holding was pulled out of EE's hand when the track moved causing a sore shoulder.

June 25, 2022 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Employee was applying pressure to a spanner nut while another was striking it to loosen it. When the bar the employee was holding slipped it caused EE to lose EE's balance and twist EE's knee. The injured employee said the incident occurred on 6/25/2022 and EE reported it to the operator on 7/6/2022.

May 26, 2022 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Pete Lien and Sons, Inc. · Fall down stairs

Employee was standing on a mobile staircase acting as a spotter for a customer tractor/trailer. The driver was using their passenger mirror and lost their visual with spotter in the process. The spotter realized they lost visual and was concerned the trailer would strike the staircase so they jumped to the ground resulting in bruising on their right side.

February 21, 2022 SD · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Fall onto or against objects

Loader Operator was walking up stairs to cab and slipped on snow on the third step, causing lower left knee to strike the metal step.

February 10, 2022 SD · Metal/Non-Metal dry screening plant operator, screen house operator HANDTOOLS (NONPOWERED)
Pete Lien & Sons Inc · Struck against stationary object

Employee was tightening fittings with a pipe wrench and struck elbow on a steel door frame on 2/10/22. Employee was checked at a clinic on 2/11/2022 and released to work with no treatment or restrictions. Employee returned to clinic on 2/22/2022 due to swelling and was placed on work restrictions.

January 19, 2022 SD · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Fall to the walkway or working surface

Employee was at the fuel station fueling the bobcat. EE caught EE's foot on the fuel hose which caused EE to trip and fall on EE's wrist.

January 14, 2022 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

On 1/19/2022 the employee reported to EE's supervisor that during EE's shift on 1/14/2022 EE strained EE's back. The employee was unsure of the time or cause. On 1/24/2022 EE began treatment and given work restrictions that could not be accommodated.

October 31, 2021 SD · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Pete Lien & Sons Inc · Fall to the walkway or working surface

Employee was taking a vac hose off a storage hook. When the hose straightened out it caused EE to fall and hit EE's elbow on the floor. After the shift the employee realized the fall resulted in a cut to EE's right elbow which was treated at clinic with glue.

September 1, 2021 SD · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion (Not Elsewhere Classified)

Operator was getting into the drill and while making the first step up off the ground, EE felt a pain in the right knee.

May 26, 2021 WY · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger MACHINERY
Pete Lien & Sons Inc · Struck against a moving object

The dozer operator was moving material on the yellow layer when the operator backed off a highwall approximately 20 feet tall.

April 29, 2021 SD · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in pulling or pushing objects

Employee was rolling out rubber mats when they felt a pain in lower back

March 16, 2021 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

DURING THE REPAIR OF PICKUP WINDSHIELD WIPER ASSEMBLY THE MOTOR AND ARM RETURNED BACK TO THE CENTER POSITION WHILE THE PICKUP WAS OFF DUE TO STORED ENERGY. THE EMPLOYEE'S FINGER WAS PINCHED BETWEEN THE ARM AND BRACKET, CUTTING OFF THE TIP OF EE'S INDEX FINGER.

March 9, 2021 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Pete Lien & Sons Inc · Over-exertion in lifting objects

Employee was helping another driller place steel back into the rack when they felt a pop in shoulder. Injury reported on 3/10/21 and Dr. visited on 3/12/21 resulting in light duty restriction.

January 25, 2021 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Pete Lien & Sons Inc · (Not Elsewhere Classified)

Employee contacted the supervisor on 1/25/21 to report that EE would be out due to blood clots in EE's lungs and contacted the supervisor again on 1/27/21 notifying supervisor that EE believed the clots could be a result of the muscle strain reported in 12/2020 and EE would be examined again on 2/3/21.

June 23, 2020 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

Employee was assisting with an elevator chain replacement. Employee picked up a section of chain that was lying on the edge of a concrete slab and got left index finger pinched between the chain and the concrete causing a split in the end of index finger.

May 26, 2020 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Pete Lien & Sons Inc · Bodily reaction, (Not Elsewhere Classified)

Mechanic was splicing a belt when it shifted causing mechanic to reach to steady self which resulted in back pain.

May 11, 2020 WY · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
Pete Lien & Sons Inc · Struck by flying object

Employee was raking clinker when a piece of dust got behind face shield and safety glasses and in eye causing irritation. The employee was seen by a Dr. and issued a prescription.

March 25, 2020 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pete Lien & Sons Inc · Caught in, under or between a moving and a stationary object

Employee was opening a door on a crusher and pinched a finger between it and a nearby chute causing a cut requiring stitches.

Showing 50 of 341