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
273,193
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
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The record

240 total records

Showing 50 of 240
April 22, 2026 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was adjusting a sand gate on the float cells. To adjust the gate, you pull on a handle. EE leaned over the handle and pulled the handle hitting self in the forehead. Resulted in two stitches.

April 21, 2026 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Removing motor in float cell, motor shifted and struck back of hand resulting in laceration requiring 4 stitches.

March 25, 2026 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

INSTALLING A VITRIOLIC COUPLING ON A PIPE. WHILE HOLDING THE COUPLING A CO-WORKER WAS SWINGING A HAMMER TO SET THE COUPLING. CO-WORKER MISSED THE COUPLING AND HIT LEFT MIDDLE FINGER.

March 12, 2026 MT · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was adjusting forks on forklift to lift a skiff. They used a sledgehammer to help move the fork closer together. When they struck the fork, the fork slid and pinched the tip of right thumb in a pinch point. Received stitches.

January 14, 2026 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall from ladders

Employee was climbing a fixed ladder to enter the 14 ball mill hopper to perform maintenance. The ladder has a hinge with a pin near the top. The metal hinge broke. Employee held onto top part of ladder and fell, landing on EE's feet and then falling onto EE's rear. EE has a hair line compression fracture in the L1 and is on restricted duty.

December 30, 2025 MT · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

A 3 inch diameter poly water pipe located in a plugged sump shifted, causing the pipe to flex while the employee was inspecting the plugged sump, this resulted in the pipe to contact the employees chin resulting in a laceration which required stitches.

November 28, 2025 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Montana Resources, LLC · Struck against a moving object

A 793 C haul truck was ascending a ramp loaded and lost traction. EE attempted to back up down the hill and contacted a berm which overturned truck. A bucket truck was used to help the EE exit the truck. The EE was entrapped in the cab more than 30 minutes. EE was suspended pending outcome of investigation.

November 25, 2025 MT · Metal/Non-Metal drill helper MACHINERY
Montana Resources, LLC · Struck by flying object

On drill 304, drill crew was tripping out tooling and preparing to remove the drill bit. The bit had been welded to the collar and the driller was using a handheld grinder to cut through the welds. As the grinder broke thru the welds, the grinding disc failed and a fragment struck a the driller on the finger causing a laceration.

August 24, 2025 MT · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDLING OF MATERIALS
Montana Resources, LLC · Struck by falling object

Employee was helping change a shovel shank. When the support wedge came loose, EE's left hand was under the wedge and contacted EE's index and middle finger causing minor fracture on both fingers.

August 21, 2025 MT · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was rodding #4 rod mill. The rod hung up and employee attempted to push the rod with the heel of palm and caught right pinky between the rod and the roller. Fractured pinky finger.

August 5, 2025 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Over-exertion in pulling or pushing objects

Employee was aligning a pump and felt a strain in their left shoulder. Doctor placed them on restrictions on 8/12/25 pending a MRI.

July 30, 2025 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Removing belly pan and it slipped when it came loose causing a laceration on index finger requiring stitches to finger.

July 30, 2025 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employees has been diagnosed with "trigger finger" on EE's left index finger. EE had surgical repair on 7/30/2025

June 26, 2025 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee removed rear tire from service truck to work on brake caliper. EE stood up and backed into the tire EE removed. EE lost EE's balance and in the process stepped down on EE's left foot which resulted in a lower leg fracture.

May 17, 2025 MT · Metal/Non-Metal drill helper MACHINERY
Montana Resources, LLC · Struck against stationary object

Employee was pressure washing the inside of a centrifuge, when their foot slipped, and they cut their chin. Anti biotics were given for preventative measures. No stitches were required.

March 25, 2025 MT · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was exiting the drill and when stepping down off the boarding ladder employee rolled right ankle. Sprained ankle. 3 days of restricted duty.

January 22, 2025 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was diagnosed with carpal tunnel of both hands. Had surgical repair on 1/22/25.

December 2, 2024 MT · Metal/Non-Metal miner, prospector, nec STRIKING OR BUMPING
Montana Resources, LLC · Struck against stationary object

Employee was doing clean-up by the 3 belt and went around partner and when they did, they rubbed their upper arm on a light fixture that had a sharp edge which cut their left bicep requiring sutures.

November 30, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between (Not Elsewhere Classified)

Employee helping with change out of Loader teeth. Tooth shifted in transport tote and caught tip of left pinky finger resulting in sutures.

October 14, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between (Not Elsewhere Classified)

Employee performing maintenance on dust collector #11 and placed finger in pinch point causing a laceration on left index finger resulting in 6 stitches.

October 11, 2024 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Montana Resources, LLC · Struck against a moving object

Haul truck was traveling down a ramp, it began to slide and tipped over onto the driver's side. The miner was wearing seatbelt. EE states EE was not unconscious. However, a witness believes EE may have been unconscious. Employee had no visible injuries and was checked by off-site EMTs and found no injuries. MSHA suggests we complete this form.

September 24, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Struck by flying object

Employee removed their hard hat and safety glasses in the break room and felt something fall into their eye. They flushed it but later that evening they still felt some irritation. Went to eye doctor in morning and removed a particle and gave prescription eye drops.

September 3, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was cutting a rubber liner for a cyclone. While cutting the rubber liner with a utility knife, EE's hand slipped and EE hit EE's thigh with the knife causing a laceration which required 3 stitches.

July 15, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee has numbness in right hand and was diagnosed with carpal tunnel. They had surgery on 7/15/24 on their right hand.

June 2, 2024 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

Employee was stepping off bulldozer and missed the step causing employee to strike right knee on the push arm. Sore and swollen knee. Placed on restricted duty.

March 30, 2024 MT · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Struck by rolling or sliding object

Crusher operator was taking a drain pipe down as it was plugged. When EE uncoupled the pipe coupling to remove the pipe, the pipe slid and contacted EE's left ring finger resulting in a laceration and fracture of tip of finger.

March 28, 2024 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was boarding EE's haul truck and as EE stepped up to the ladder EE felt a pop in EE's right knee. Originally it was a strained knee but was later determined to be a torn meniscus. EE had it repaired on 6/18/24 and is currently off work.

February 27, 2024 MT · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Walking up an incline on the 18 belt to perform ground checks and slipped on walkway. Went to have knee checked (had previous surgery) on 3/13/24. We were informed on 3/20/24 that employee received a cortisone shot. No restrictions. Medical treatment

January 4, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Over-exertion in pulling or pushing objects

Employee was removing a fitting off of an air hose with a 18" crescent wrench. While applying pressure to loosen the fitting EE felt pain in EE's right elbow. Was put restricted duty until heals.

January 3, 2024 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee aligning motor in lower pump house. While using a sledge hammer they missed where they intended to strike, resulting in left ring finger being contacted between the sledge handle and the mounting plate. Required stitches and the tip of finger is fractured. Currently on light duty.

December 28, 2023 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Montana Resources, LLC · Struck against a moving object

Employee was ripping with a D8 dozer and while backing up and looking behind them, the dozer caught a frost slab and bounced down causing pain in their neck. Was put on restricted duty for 3 shifts.

October 30, 2023 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was hosing in the mill basement and twisted right knee. On 11/17/23, we received Doctor notes indicating light duty. Employee has been placed on light duty until further diagnostics and possible repair.

October 1, 2023 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Employee was leaving the line up room at start of shift, foot stepped off sidewalk and lost employee's balance, fell down and put right arm out when falling. Was given a full release but turned out to have a tear in shoulder resulting in a surgery on 11/9/23.

May 30, 2023 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Lifting a check valve shell with the over head crane and was applying tension to the choker with EE's left hand when the choker shifted and pinched EE's left middle finger resulting in a laceration requiring 2 stitches.

March 3, 2023 MT · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

Employee had set up a spool of wire on two jack stands to pull electrical cable and when walking by the jack, EE caught foot and tripped. EE reached for the reel holder to catch self to prevent EE from falling. EE reported EE strained arm. The strain was later determined to be a bicep tear which EE had repaired on 3/13/23.

February 28, 2023 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Struck against stationary object

Employee was helping change out a cooler assembly on a crusher oil cooler. A sharp edge on the frame contacted EE's right index finger causing a laceration that required stitches (4). Lack of gloves were a factor.

January 30, 2023 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was carrying some mill parts into the mill and their foot slipped. Employee did not fall down, but while attempting to maintain balance their back tightened up and reported a sore back. Employee is currently on restricted duty.

January 16, 2023 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Over-exertion in lifting objects

Employee was moving liners to install on a conveyor belt. Felt a strain in the abdomen. Originally, thought it was a pulled muscle. Had a hernia repaired on 2/17/23. Returned to work on restricted duty on 2/20/23.

January 9, 2023 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Montana Resources, LLC · Bodily reaction, (Not Elsewhere Classified)

Employee stood from a kneeling position and felt EE's knee pop. Later it was determined that EE had torn EE's meniscus.

January 9, 2023 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was changing a belt on pump. While placing belt onto sheave they pinched left pinky finger resulting in 2 stiches.

September 13, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Over-exertion in pulling or pushing objects

Employee was assisting a co-worker to roll over an engine mount when they felt a strain in right elbow. Originally diagnosed as a strain. Later it was diagnosed as a tear which required surgery.

August 11, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

Mechanic was in the engine compartment of a Haul Truck trouble shooting a sensor. They stepped on a valve cover and their foot slipped. As they reached out to steady themselves, they hit their right hand on the exhaust pipe causing a fracture to the right pinky metacarpal. No stitches or surgery required. Employee has been placed on light duty.

August 5, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was pushing on a bundle of rods for the rod mill and the bundle shifted which pinched employee's right pinky finger. Resulted in a fractured finger tip.

June 14, 2022 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Employee was walking across flotation floor and lost balance, falling backwards and striking back of head resulting in laceration requiring stitches.

June 14, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech NONPOWERED HAULAGE
Montana Resources, LLC · Struck by falling object

Employee was pulling an oxy/acetylene cart to work station. Employee slipped and lost balance losing control of the cart. The cart fell back and struck employee's right shin causing a fracture.

March 29, 2022 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was walking into fuel bay and tripped, then stumbled and caught self on the table while contacting EE's cheek with EE's fist creating a chipped tooth. The chipped tooth required dental repair.

March 10, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was changing a belt on a pump. While pulling on the belt, they pulled left middle finger into the sheave cutting the finger resulting in 2 stitches.

January 12, 2022 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was helping change feeder chains in the course ore feeders and pinched the tip of left pinky resulting in 2 stitches. Employee was placed on restricted duty until wound heals.

December 20, 2021 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Truck Driver was helping move some trailing cable. As driver was walking to the cable in the Continental Pit, they slipped on the snow and landed with left arm out stretched and shoulder was sore. Doctor gave them restrictions until they can have a MRI.

September 26, 2021 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Montana Resources, LLC · Over-exertion in lifting objects

While completing a tire repair on a 240 ton haul truck EE was lifting a lock ring up to re-install on the wheel, while lifting the lock ring EE felt pain in right lower back. Technician did not report the injury until 10/6/21, upon which time a complete investigation was initiated.

Showing 50 of 240