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
Filters 2 active
Time period
Experience at time of incident

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The record

71 matching records

Showing 50 of 71
February 17, 2026 WY · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Black Hills Bentonite LLC · Over-exertion (Not Elsewhere Classified)

EE was loading 18" culverts onto a trailer when one became unstable. EE tried to stop and reload it back onto the trailer. EE felt a pop on the inside of right elbow. EE suffered a torn distal biceps tendon.

February 24, 2025 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Struck by... (Not Elsewhere Classified)

EE was trying to clear an elevator bucket from a screw. Another EE was twisting the drive belt when first EE pulled the bucket out, causing the screw to rotate. The screw hit the first EE's left hand. First EE suffered a broken hand and laceration.

December 30, 2024 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Struck against stationary object

EE was housekeeping below a screw case. EE bend down to clean and hit their head on the frame holding the case up.

January 31, 2024 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Black Hills Bentonite A Limited Liability Co · Over-exertion in lifting objects

Employee was lifting a pipe bender off the ground and felt a pop in the left elbow. EE did not seek immediate medical attention, but the pain didn't go away. Doctors visit was scheduled for 02/01/2024. Employee is now out of work.

January 11, 2024 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Struck against stationary object

Employee was removing a broken plastic bucket from an elevator, when their hand slipped and the left thumb was cut.

November 7, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion in lifting objects

Employee was attempting to move a large pipe, when they felt a pain in their back running down their leg. Went home and symptoms didn't improve. Employee went to seek medical help on the 8th.

August 24, 2023 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Caught in, under or between a moving and a stationary object

Employee was attempting to close the latch for a tailgate on an end dump truck and as the latch bar moved into place, the palm on the right hand was pinched resulting in a cut needing stitches.

March 27, 2023 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Struck by falling object

Employee was barring out a chute, when the door access to the chute swung closed during barring causing the employee to smash their right hand into the door fracturing right ring and pinky fingers.

March 21, 2023 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion (Not Elsewhere Classified)

Employee was cleaning railcars, and when they mounted the stairs to climb onto the car, they felt a pop in their left knee and could not put any weight on it.

July 28, 2021 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion (Not Elsewhere Classified)

Employee was attempting to bolt a tire back on a tractor and was stabilizing the tire with left arm, when the tire shifted and jarred shoulder.

April 16, 2021 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite A Limited Liability Co · Over-exertion in lifting objects

Employee was shoveling dirt when they felt a pop in their back. Reported the injury to the shift supervisor, and informed them at that time they were able to work with no issue. On Sunday 04/18/2021 the employee informed the supervisor that they were experiencing numbness and wanted to go to the doctor on 04/19/2021.

October 6, 2020 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

Employee had completed a welding project on the hopper. The employee was cleaning up the work area and packing tools out of the area. As the emplyee was lifting a 5 gallon bucket full of tools up onto the service cart, they felt a sharp pain in their right shoulder. Employee is going to seek orthopedic examination at this time.

July 16, 2020 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite · Struck by falling object

While working with metal, performing maintenance duties, the worker cut their hand while trying to catch a falling piece of metal.

April 14, 2020 WY · Metal/Non-Metal dry screening plant operator, screen house operator HANDLING OF MATERIALS
Black Hills Bentonite A Limited Liability Co · Over-exertion in lifting objects

Employee was picking up a head pulley shaft, when they strained their lower back. did not notify management until the next day when they called in to work.

December 13, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

Employee was attempting to lift a transmission, and felt a sharp pain in their back and couldn't stand up straight afterwords.

August 12, 2019 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Struck by... (Not Elsewhere Classified)

A roofing contractor was in the process of installing new sheet metal at the plant, when the sheet of metal they were holding slipped in their hands cutting through the leather gloves they were wearing. The sheet metal cut the contractors left thumb resulting in stitches.

August 9, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite · Struck by falling object

Employee was working on an overhead conveyor belt when a large amount of dirt and debris fell from the ledge causing left eye irritation. The eye was rinsed out, but after a couple days the employee was still experiencing issues and consulted an eye doctor.

October 8, 2018 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite · Struck against stationary object

The employee was installing heater pipes when they struck their shoulder against an upright pipe flange. The employee went to the doctor a couple weeks later due to the pain they were experiencing, and on 12/27/2018, quit working.

April 14, 2016 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion in lifting objects

Was moving an electric Motor. And felt a Slight pull in my lower abdomen. Didn't think anything of it.

January 8, 2015 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was picking up a Drive shaft to a slicer and when he put it down said he felt a sharp pain in his arm and shoulder.

October 17, 2014 WY · Metal/Non-Metal scraper-loader operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion (Not Elsewhere Classified)

Employee was getting out of the scraper when he slipped off the step and hurt his shoulder.

July 2, 2014 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Caught in, under or between a moving and a stationary object

EE was trying to remove a Stuck bag from a conveyor. when his hand got wedged in-between the conveyor and the Rolled. EE was treated at WMC and released with minor scrapes

June 3, 2014 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Caught in, under or between a moving and a stationary object

Employee was checking and changing pins in a pin mill that was locked out. He rotated the drum by hand and caught his right between a pin and the pin mill top side-wall edge. X-rays at the hospital revealed his hand was broken in a couple of places. He is scheduled to see a surgeon soon for plan of action.

February 12, 2014 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion in lifting objects

Employee Threw his back out stacking bags. Felt spasms in lower back, Lost most function in his left arm from pain in the back. Is receiving chiropractic treatments and has not missed any time off from work.

November 6, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was shovelling bentonite when he twisted left hand, causing discomfort.

August 17, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE developed tendonitis in right wrist while stacking bags.

July 31, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE shoveled during cleanup and stacked 50 pounds bags onto pallets and strained knee while doing so.

July 5, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Caught in, under or between a moving and a stationary object

The plant was shut down when EE went to install B58 belt on classifier fan. He pulled on belt and assistant pushed, causing his right pinky finger to run between belt and sheave. Finger was broken and bleeding due torn tissue. He was taken to specialist in Powell, Wyoming for successful surgery. Though serious, this injury was not life threatening.

May 27, 2013 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite LLC · Over-exertion in lifting objects

EE lifted a cutting edge to install on a 627G scraper and twisted lower back. He felt pain then and for the next few days before going to a Chiropractor on 06/03/2013 who told him bone spurs prevented proper alignment of the back. He is going to another doctor today, 06/10/2013 for further diagnostics. He is currently off work.

March 21, 2013 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was stacking 100 lb bags when he felt a pain in his left arm. He went to Urgent Care where they diagnosed him with a tear in his left bicep. He is undergoing therapy and rest at this time.

March 14, 2012 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion in lifting objects

EE was lifting shelving and light fixtures and hurt right shoulder. He continued working, thinking it would heal but a visit to doctor recently indicated a need for surgery scheduled for November 28, 2012. No missed days as yet.

February 16, 2012 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion in lifting objects

Employee has complained about a potential injury resulting from years of lifting and handling 100 pound bags as required by his employment.

October 19, 2011 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was pulling bags off of a platform and stacking them on a pallet. He grabbed the corner of a bag to spin it around to get a better grip when he strained the muscles in his right wrist.

June 28, 2011 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion (Not Elsewhere Classified)

EE was involved in palletizing 100 pound bags when he spun bag around to get a better grip. This action caused trauma to right hand area and thumb was sprained and possible ligament damage but doctor is not sure. He will return to work on light duty on 07/03/2011 for about 6 weeks tentatively.

January 18, 2011 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Black Hills Bentonite LLC · Over-exertion (Not Elsewhere Classified)

EE was barring track onto dozer, felt discomfort in lower stomach. He thought it was pulled muscle and waited a few days to see if it got better - it did not. He went to doctor on 02/27/2011 to confirm it was a hernia which will require surgery. No lost time as yet.

December 28, 2010 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE lifted a 100 pound bag with the help of his left leg when he experienced a pull in his muscle followed by some pain. He went to doctor and took a few days off to heal. He was diagnosed with a pulled groin muscle and was released to work on 01/04/2010.

September 27, 2010 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite A Limited Liability Co · Over-exertion in lifting objects

EE was lifting heavy metal plates from a hammer-mill in a constricted location. This caused the lifting to be awkward and in various positions. Trauma was done to the trunk of the body, most likely resulting in a hernia. The doctor has not yet been consulted and no time has been missed as of this point; on self imposed lite duty restriction.

May 15, 2010 WY · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Black Hills Bentonite A Limited Liability Co · Over-exertion in lifting objects

EE was shoveling bentonite and strained lower back. Attempts to run 627G scraper on the 17th and 18th met with severe pain. EE went to doctor on the 18th and was given a no work slip until 05/24/2010, at which time he returned to full capacity.

April 27, 2010 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was lifting pipe and aggravated a previous hernia injury on lower left side of stomach. He will assume light duty until medical action is determined or taken by doctors.

May 13, 2009 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE felt a sharp pain in right shoulder blade while stacking bags onto a pallet.

April 16, 2009 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE strained muscles in lower back while stacking 50 pound bags of product.

April 14, 2009 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion (Not Elsewhere Classified)

EE was filling bulk bags and twisted lower back while moving a pallet. No days lost time but had a Chiropractic treatment.

March 13, 2009 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

Cleaning and shoveling bentonite from Mill floor. Muscles in back tightened causing pain.

January 6, 2009 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was operating a bagging machine, twisted wrong and felt discomfort in his lower back. He continued to work for a number of days and began taking time off on 01/21/2009.

September 22, 2008 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion in lifting objects

EE was stacking 50 pound bags on a pallet and felt a pain in left bicep and pectoral muscles.

September 2, 2008 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion (Not Elsewhere Classified)

EE was stacking 100 pound bags onto a pallet, over-exerted himself and strained lower back.

July 14, 2008 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion (Not Elsewhere Classified)

EE was stacking bags and twisted lower left back, felt discomfort and had some numbness in back of leg.

June 24, 2008 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Black Hills Bentonite · Over-exertion (Not Elsewhere Classified)

EE was stacking bags on pallet and over-extended right shoulder and neck, causing muscle strain.

June 8, 2008 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Black Hills Bentonite-A Limited Liability Co · Over-exertion (Not Elsewhere Classified)

EE was lifting a Variable Frequency Drive for an electric motor and ruptured lower right side (hernia). He continued to work for many days before beginning to take time off and had operation on 08/28/2008.

Showing 50 of 71