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

39 matching records

Showing all 39
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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

January 28, 2019 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

Doing a walk-around at beginning of shift and slipped on the ice, landing on elbow and shoulder. Eventually received an MRI and Doctor issued restrictions on 5/2/19. Employee currently on Restrictive Duty.

November 3, 2015 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Walking to bus and slipped on snow. Strained right knee. Reported incident to us on 11/4. Was given light duty on 11/4 and 11/5. Returned full duty on 11/13 night shift.

September 30, 2013 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 walked across basement floor and slipped. Fell back and struck back of head. Laceration with stitches required. Returned to work the following day with restrictions.

July 10, 2012 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Employee was washing down the floor when he backed up and tripped causing him to fall. Employee received a laceration to his lower right arm which required stitches.

April 19, 2012 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 machine

Employee changed oil and fuel filter on Komatsu dozer and was descending dozer when he mis-stepped and fell backwards to the ground landing on his rear and back.

April 17, 2012 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

After hosing down floor in crusher building, employee slipped and fell to floor. Injured knee and back. Returned to work light duty.

March 7, 2012 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

Moving a diffuser in a bag house and the decking shifted causing the employee to slip/fall resulting in scrapes and bruising under arms. No medical treatment however, employee placed on restricted duty.

March 8, 2011 MT · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Employee was walking to parking lot and slipped while crossing the road. Strained his right knee. Was placed on restricted duty for three shifts.

April 15, 2010 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

Employee was walking up stairs and missed the first step. He fell against a wall and hit his left shoulder. The following day he wanted to seek medical treatment. A hairline fracture was noted on his upper arm. Restricted duty.

May 16, 2009 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

Washing floor with water hose and lost balance, which caused him to fall on a pump, resulting in a contusion to the right lower side of his back. Employee placed on restricted duty. Did not miss time.

December 24, 2008 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

Employee was walking from one building to another when he slipped on some snow and ice. Employee fell and landed on his right hip. Employee did not report for next scheduled shift.

August 13, 2008 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 machine

EE was changing hoist cables on a Bucyrus 495 HD shovel when he slipped and fell approximately 3 feet. As employee fell, he tried breaking his fall with his left hand causing a small fracture in his left wrist.

December 19, 2007 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 exiting his personal vehicle in the parking lot before shift started. He placed his left leg on the ground and while exiting caught his right foot on the floor board causing his right knee to pop. At this point the Doctor believes it is strained. He was placed on restricted duty. He did not miss any work.

November 26, 2007 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 accessing the splitter box and slipped. He was holding a beam to steady himself and his weight pulled on his left ring finger. Intially it was diagnosed as a strained tendon of the finger. On 5/15/08, minor surgery was performed on the tendon. Surgery was done on his off-rotation and he will return restricted duty on 5/22/08.

October 9, 2007 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 from machine

Contractor driver was tarping load of moly for shipment. During course of tarping the cargo the driver caught his feet in the tarp, lost his balance, fell off flatbed trailer deck to the ground, landing on his left hip. Driver transported to hospital. Driver did have 5 fractures to left hip area.

February 17, 2007 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was exiting a D8 Cat dozer and as he stepped down to the ground, his left knee twisted resulting in a tendon tear in the knee. The employee stated he may have slipped when he stepped on the toe step located on the pushing arm. There was no snow or mud on the equipment. The employee has previously torn his right knee twice.

February 12, 2007 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 reporting for work and walking through the parking lot when he slipped and fell on his right hip. The fall resulted in a fracture in the upper femur. 6" of snow fell during the night and a Bobcat was removing snow in the parking lot. Employee was walking down the path that the Bobcat had removed when he slipped. Employee intended to retire on 2/15/07.

February 10, 2006 MT · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

Employee was fueling the water truck and slipped resulting in a twisted left ankle. He was given restrictions to keep weight off of foot. Employee did not miss any work. Employee returned to work that shift. He was restricted for 7 shifts.

April 16, 2005 MT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

On 4/16 EE had filled water truck & turned to walk away. His boot stuck in grate; his body turned but lower part of leg didn't. EE noticed pain & swelling. Was taken to ER & released to work, but was working with discomfort. Diagnostic scoping of left knee was done 6/29 during his 7 days off. On 7/5 employee reported to work with restrictions making this incident reportable.

March 21, 2005 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

While climbing a fixed ladder on the side of the drill house, ladder and safety cage broke causing EE to fall to the ground. First aid was given on-site along with emergency care. EE was transported to hospital where he received sutures for lacerations. X-rays were negative but does have soft tissue damage.

January 27, 2005 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

EE was walking back to a piece of equipment when EE tripped. The area was next to the standards of the electric shovel. Footing was level with no large obstructions. When EE fell left lower forearm was lacerated and required sutures. The sutures made this incident reportable

November 10, 2003 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Over-exertion (Not Elsewhere Classified)

EE WAS SPREADING SALT ON THE #2 TAILINGS THICHENER WHEN HE SLIPPED ON ICE/MUD AND STRAINED HIS LEFT KNEE. THE ICE/MUD WAS WET FROM HOSING DOWN AND SALT ON IT, WHICH MADE IT SLIMY. EE COMPLETED THE REST OF HIS SHIFT. HE REPORTED THE LOSS OF THREE (3) SHIFTS ON 11/14/03.

October 13, 2003 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall onto or against objects

WHILE PACKING OLD IRON HE TRIPPED ON ANOTHER PIECE OF IRON. WHEN HE FELL HIS LEFT KNEE HIT ON SOME OLD IRON AND CUT HIS KNEE OPEN.

January 10, 2001 MT · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

EMPLOYEE SLIPPED ON THE PAVEMENT AT THE MAIN OFFICE WHILE WALKING UP TO THE FRONT DOOR. THE AREA WAS RUTTED FROM THE MELTING CONDITIONS AND WAS SLIPPERY FROM FRESH SNOW. DATE REPORTED 1-23-01.

June 12, 2000 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

EE SLIPPED WHILE MAKING HIS INSPECTION WALK THROUGH, AND SPRAINED HIS LEFT KNEE. LATER, DURING HIS SHIFT, WHILE USING A HAND WRENCH TO REMOVE BOLTS, HIS KNEE WAS AGAIN STRAINED. THE KNEE REMAI NED PAINFUL. ON 6-29-00, EE REPORTED THE INCIDENT TO HIS IMMEDIATE SUPERVISOR, OTHER PRELIMARY DIAGNOSTICE FOUND A POSSIBLE TORN CARTILAGE BEHIND THE KNEECAP. HE HAS MISSED NO DAYS OF WORK.

April 8, 2000 MT · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler SLIP OR FALL OF PERSON
Montana Resources, LLC · Fall to the walkway or working surface

THE PIT SUPERVISOR WAS PULLING THE EXCESS SLACK OUT OF A SHOVEL POWER CABLE. EE WAS STATIONED AT THE SHOVEL STANDARD TO WATCH THE SLACK. THE CABLE PULLED TIGHT TO THE STANDARD AND CAUGHT HIM A T THE ANKLES, TRIPPING HIM. HE FELL TO THE GROUND AND LANDED ON HIS RIGHT ELBOW. HE WAS FOUND TO HAVE A FRACTURED ELBOW AND UPPER ARM.

Showing all 39