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
Filters 2 active
Time period
Experience at time of incident

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The record

25 matching records

Showing all 25
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.

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.

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.

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.

July 30, 2019 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was using a grinder to remove an old pipe. The cutting wheel got bound up, bounced back and cut EE left palm causing a laceration which required 8 stitches.

August 23, 2017 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was holding a piece of plastic while partner cut the plastic with a circular saw. A piece of plastic bounced under safety glasses and scratched employee's eye. Employee was given a prescription eye drop. Returned to work that day.

May 20, 2012 MT · Metal/Non-Metal rock driller MACHINERY
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Had an employee reaming in drill rods to the bottom of the drill hole, when he thought the drill rods were at the bottom the employee unchucked the head. Which caused the water swivel to go down and pinch his hand in between the swivel and the head.The helper then locked out and tagged out the rig.The two then drove to hospital to have his hand looked at.

July 21, 2011 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee was greasing a shovel when a crack formed in a valve causing grease to enter the skin on his right index finger. Medical treatment was required and employee placed on restricted duty.

March 9, 2011 MT · Metal/Non-Metal drill helper MACHINERY
Montana Resources, LLC · Struck by falling object

The victim had his hand crushed when the supervisor mistakenly thought he was signaled to raise the drill pipe. When victim notified the driller to stop the accent, the sudden deceleration caused the pipe to fall out of pipe sling coming down and crushing the victim's hand between pipe and the hog trough.

February 14, 2011 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Montana Resources, LLC · Struck against stationary object

While operating the crane, the employee turned off the heater disconnect switch and when he pulled down on the switch his hand contacted part of the disconnect box resulting in a laceration on his hand. He recieved 7 stitches on his left hand.

March 30, 2010 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Using an impact wrench and socket broke causing a cut on the employee's right palm. Required 4 stitches. Returned to work the following day.

March 22, 2010 MT · Metal/Non-Metal welder (shop) MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

The employees' partner was grinding close by and some particles got in his eyes. The following day he thought he might still have something in his right eye. Evaluated at clinic and no particle found. An antibiotic for preventative purposes was prescribed.

March 13, 2010 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Removing bolts with an impact wrench and felt a pain in lower back. Has been given full duty, however he did receive epidural steroid injections several months later.

February 11, 2008 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck against stationary object

Employee was removing old conduit with a four inch hand held grinder. While attempting to adjust the guard he contacted the grinding wheel. This resulted in a laceration to the right index finger. Employee received three stitches. Employee did not miss work.

July 3, 2007 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

While installing a new crusher liner on the crusher mantle, employee placed his left hand between the crusher and the mantle to verify the tolerance distance. The employee was holding the overhead crane remote in his right hand and accidentally pressed the control button which shifted the crusher liner resulting in a broken left index finger with lacerations.

April 24, 2007 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was using an impact wrench to remove nuts from the ball mill bolts. He was bent over and when he reached to his left he felt his right knee pop. Doctor felt it was just a strain on first visit. It was later diagnosed as a torn meniscus. Employee had his knee scoped on 7/9/07 for repair. First shift missed was 7/9.

December 11, 2006 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

Employee using a 9" grinder, grinder touched the ground and bounced up contacting his left wrist. Guard was in place. Grinder caused a small laceration which required a few stitches. Employee returned to work the same day.

July 12, 2006 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Montana Resources, LLC · Caught in, under or between (Not Elsewhere Classified)

Employee was working around an HDPE pipe fusion machine and caught his lower legs in a pinch point. Employee received a swelled left knee and a contusion to the left leg. He has been taken off work until the contusion reduces.

August 18, 2005 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Caught in, under or between a moving and a stationary object

Employee was in the process of greasing mgna-torque on shovel 818 with grease gun. He pinched his finger between the handle and tube causing a laceration to the left middle finger requiring sutures.

June 27, 2005 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Montana Resources, LLC · Over-exertion in pulling or pushing objects

Employee over exerted himself while cranking and pulling down on the rod mill charger. He felt a sharp pain in his lower abdomen. He was taken to medical care where it was diagnosed as a groin strain. Employee missed his next shift making it a reportable.

May 23, 2005 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck by... (Not Elsewhere Classified)

While changing clip on conveyor belt, employee's right hand was lacerated. He was holding the bottom half of the clip, when the drill bit struck his hand. The bit tore the skin. Employee went to Express care and received 3 sutures and returned to work with no restrictions.

May 24, 2004 MT · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Montana Resources, LLC · Caught in, under or between (Not Elsewhere Classified)

Employee was cleaning out the #3 dust collector dropoint. An area above the dropoint was plugged with fine wet material. He put the left hand up to clear the material. Forgot about moving parts and misjudged the distance clearing so tip of finger was lacerated in the rotary vein feeder. Taken to E.R. for sutures, making this reportable.

May 11, 2004 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Contact with hot objects or substances

Burning off old oily rusty bolts on a screen. I was repairing and metal splashed back at me, went between cutting googles and safety glasses.

March 17, 2004 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Struck by flying object

EE WAS USING A HAND GRINDER TO DEBURR GEAR SPLINES ON A BULL GEAR, PARTICLES BLEW INTO RT EYE. THIS WAS NOT A DIRECT SPRAY INTO THE EYE, THE WIND HAD SWIRLED MATERIAL BELOW FACE SHIELD & SAFETY GLASSES. THERE WAS NOT AN IMMEDIATE EFFECT, BUT ON 3/18/04 EE WAS TAKEN TO EYE SPECIALIST. PRESCRIPTION MEDICATION WAS GIVEN DUE TO FOREIGN MATERIAL FOUND IN RIGHT EYE.

February 12, 2004 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Montana Resources, LLC · Caught in, under or between (Not Elsewhere Classified)

WHILE GRINDING SLAG OFF ANGLE IRON THE EE'S RIGHT MIDDLE FINGER TIP WAS INJURED. THE GRINDING WHEEL GRABBED THE WORK PIECE AND SLAMMED IT DOWN AGAINST THE FRAME AND BOTTOM OF THE WHEEL. EE'S RIGHT HAND WAS HOLDING UNDER THE WORK PIECE. EE WAS TAKEN TO E.R. X-RAYS WERE POSITIVE AND THE LACERATION WAS CLOSED WITH SUTURES.

Showing all 25