Mining Incidents

Mining Incidents in Montana

Every reportable accident on file with MSHA at a Montana mine. Operators below are ranked by recorded fatality count in this state.

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Fatalities recorded
18
Total incidents
4,169
Fatal rate
0%
Years on record
2000–2025

Year-over-year fatalities

  1. 2000 1
  2. 2001 3
  3. 2005 1
  4. 2006 1
  5. 2007 1
  6. 2010 1
  7. 2011 1
  8. 2012 1
  9. 2014 2
  10. 2017 1
  11. 2018 1
  12. 2021 2
  13. 2023 1
  14. 2025 1

Top mines in Montana by fatality count

  1. 01 STILLWATER MINE 10fatal
  2. 02 Spring Creek Mine 2fatal
  3. 03 Rosebud Mine & Crusher/Conveyor 1fatal
  4. 04 Vortex Mine 1fatal
  5. 05 Bull Mountains Mine No 1 1fatal

Top operators by fatality count

  1. 01 Stillwater Mining Company 10fatal
  2. 02 Spring Creek Coal LLC 2fatal
  3. 03 Blue Ice Sapphire Mining, Inc. 1fatal
  4. 04 Fossum Ready Mix 1fatal
  5. 05 Montana Rockworks Inc. 1fatal
  6. 06 Signal Peak Energy LLC 1fatal
  7. 07 Troy Mine Inc. 1fatal
  8. 08 Westmoreland Rosebud Mining LLC 1fatal

Recent fatalities

July 26, 2025 MT · Metal/Non-Metal electrician, lineman Fatality · ELECTRICAL
Stillwater Mining Company · Contact with electrical current

The employee was performing routine preventative maintenance on a transformer when EE was fatally electrocuted.

November 13, 2023 MT · Metal/Non-Metal miner, nec Fatality · MACHINERY
Stillwater Mining Company · Caught in, under or between a moving and a stationary object

Tangled in drill steel while installing ground support.

June 9, 2021 MT · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss Fatality · POWERED HAULAGE
Stillwater Mining Company · Struck against a moving object

On June 9th, 2021 at 2:00 pm the operator was made aware of a collision underground between a locomotive and a UTV resulting in a fatal incident.

June 9, 2021 MT · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss Fatality · POWERED HAULAGE
Stillwater Mining Company · Struck against a moving object

On June 9th, 2021 at 2:00 pm the operator was made aware of a collision underground between a locomotive and a UTV resulting in a Fatal incident.

October 19, 2018 MT · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · POWERED HAULAGE
Montana Rockworks Inc. · Struck against a moving object

Employee was in an articulating haul truck, was traveling down the haul road at the Quarry. The victim was moving the haul truck down a steep grade, around a turn, when the haul truck traveled through a berm and off a short drop-off. The victim was found hours later by the owner of the company, the victim was not wearing a seat belt.

May 6, 2017 MT · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Westmoreland Rosebud Mining LLC · Struck against a moving object

On May 6, 2017 at approximately 16:55 a haul truck operator backed up to a berm to dump, the berm breeched and the haul truck and berm slid down the highwall approximately 150 ft. There were no witness to the incident.

August 2, 2014 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · FALLING/SLIDING/ROLLING MATERIALS
Fossum Ready Mix · Struck by falling object

Miner was apparently adding oil to hoist of truck. Box was loaded with rock and not properly blocked. The weight of the loaded box split block and the box came down unexpectedly crushing miner between the truck frame and dump box. Although no damage was done to equipment, miner was killed.

June 23, 2014 MT · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Spring Creek Coal LLC · Struck against a moving object

An empty haul truck traveled in a forward direction through a dump berm and came to rest at the bottom of the angle of repose dump fatally injuring the operator.

March 20, 2012 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
Blue Ice Sapphire Mining, Inc. · Struck by falling object

This accident has already been investigated by MSHA. The victim was found approximately 250 feet inside the mine. He was working alone and had been struck by a fall of rib.

October 31, 2011 MT · Metal/Non-Metal discontinued 1/31/2014. several other codes cover scoop car operator Fatality · POWERED HAULAGE
Stillwater Mining Company · Struck against stationary object

Employee was operating a 4 yd mucker, MU452, on the 38W Level & was found fatally injured. Investigation is currently in progress.

January 2, 2010 MT · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · POWERED HAULAGE
Signal Peak Energy LLC · Struck by falling object

1ton dodge truck was up on jack stands with front wheels off ground,employee was under front of truck bleeding the power steering system,he asked another employee to get in truck and start the engine. The truck was started and the employees foot slipped off the clutch and the truck fell off the jack stands falling to the floor crushing the employee under truck.

July 30, 2007 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · FALL OF ROOF OR BACK
Troy Mine Inc. · Struck by falling object

A fall of ground occurred in ME-163V crosscut. A mechanic was parked in the crosscut with pickup TP-74 when the fall of ground occurred, resulting in a fatality. After the fall of ground covered the TP-74, the vehicle caught fire, promting evacuation of the mine.

November 28, 2006 MT · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Spring Creek Coal LLC · Caught in, under or between a moving and a stationary object

The Haul Truck operator that had called in a problem with his park brake was found shortly thereafter pinned under his left rear tires. He had sustained fatal crushing injuries.

April 28, 2005 MT · Metal/Non-Metal electrician, lineman Fatality · MACHINERY
Stillwater Mining Company · Caught in, under or between (Not Elsewhere Classified)

An employee was attempting to repair air lock doors when he received a fatal crushing injury.

June 14, 2001 MT · Metal/Non-Metal miner, nec Fatality · POWERED HAULAGE
Stillwater Mining Company · Struck by powered moving object

THE EE WAS ON ONE KNEE MAKING AN AIR HOSE CONNECTION. A OPERATOR, OPERATING A 3.5 YD SCOOP ENTERED THE WORK AREA STRIKING THE EE WITH THE BUCKETCAUSING FATAL INJURIES.

June 4, 2001 MT · Metal/Non-Metal stoper miner Fatality · POWERED HAULAGE
Stillwater Mining Company · Caught in, under or between a moving and a stationary object

THE MINER WAS FATALLY INJURED WHEN HE STEPPED OFF THE MUCKER HE WAS OPERATING. THE MINER PARKED THE LHD ON A 15% GRADE ON THE 66W RAMP. WHEN HE REMOVED HIMSELF FROM THE OPERATORS COMPARTMENT THE LHD BEGAN TO ROLL DOWN THE RAMP. THE MINER WAS CAUGHT BETWEEN THE BUCKET & THE RIB.

March 20, 2001 MT · Metal/Non-Metal miner, nec Fatality · FALL OF ROOF OR BACK
Stillwater Mining Company · Struck by falling object

THE EE FINISHED DRILLING THE LEFT RIB, WAS STILLBOLTING WHEN HE LEFT HIS JACKLEG,HE WAS MOVING AWAY FROM HIS JACKLEG WHEN A PIECE OF ROCK CAME OUT OF THE RIGHT RIB, STRIKING EE & KNOCKING HIM TO THE GROUND. HE SUSTAINED A DISLOCATED HIP & A FRACTURED PELVIS. HE WAS HOSPITALIZED FOR TREATMENT OF HIS INJURIES.

March 13, 2000 MT · Metal/Non-Metal motorman, motor person, swamper, switchman, locomotive operator Fatality · POWERED HAULAGE
Stillwater Mining Company · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS FATALLY INJURED WHILE WORKING ON THE 5000W RAIL HAULAGE LEVEL. HE WAS PINNED UNDER A RAIL CAR. ACCIDENT IS STILL UNDER INVESTIGATION.

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