Mining Incidents

Search the record

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

Alert me on this search

Email me when a new incident matches these filters. One confirmation email; unsubscribe anytime.

The record

158 matching records

Showing 50 of 158
October 21, 2025 WY · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

An employee was moving a 3-inch pump. The employee mis stepped into a soft spot, and right leg got stuck approximately 8 to 10 inches deep in the mud. When the employee pulled their leg out of the mud, they felt their right knee pop. The employee is now using crutches

January 27, 2025 WY · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was entering skidsteer. Employee placed left foot on the skidsteer and used right foot to push off to get up into it. Employee felt a pop in right knee and was unable to put any weight on it. Employee received medical attention and was treated with x-rays, knee brace and crutches.

June 27, 2024 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
American Colloid Company · Struck by falling object

Maintenance employee was removing a partial piece of an auger from the rotex deck. The auger caught on the latch as they were lowering it at waist level and it fell to the catwalk where EE was standing. It hit EE's boot across the steel toe and just behind the steel toe. This caused EE's big toe to become displaced and fractured requiring surgery.

January 29, 2024 WY · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Miner was lifting a roll of shrink wrap to replace an empty roll and felt small popping sensation in right arm.

August 10, 2022 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion in pulling or pushing objects

Repairing leveling valve on a rear suspension of a service truck (unit 622). While moving hoses and valve, reaching around differential, crossmember and frame, twisting and pulling, Employee left shoulder had a very sharp pain on the top and down the front of arm. Employee stopped working for a little while and then continued and finished moving and connecting components.

October 5, 2021 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Lab tech lifted bucket (approx. 20 lbs.) about 36 inches over a rail to dump into a dumpster felt a pop. EE refused medical care at that time, iced and monitored it. Next day EE stated it felt better. On 10-26-21 EE stated it wasn't getting better and wanted to see a Dr. EE was given restriction and Tylenol. On 11-24-21 MRI was performed. Surgery was scheduled for 12-16-21.

September 2, 2020 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
American Colloid Company · Over-exertion in pulling or pushing objects

Employee was doing a pre-trip inspection on a truck. Employee went to remove the bolts that hold the grill guard in place and felt some pain in right shoulder.

October 7, 2019 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between a moving and a stationary object

Employee was cleaning out a brake box on the trailer of the haul wagon when employee's hand got pinched between the slack adjuster and the housing. The right index finger was dislocated and also had a laceration that needed stitched. The EE was wearing cut resistant gloves at the time of the incident.

May 27, 2019 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was cleaning out an elevator when EE's elbow began to hurt.

March 29, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Struck by flying object

Removing u joint from truck when flying debris struck mechanic across the nose, cutting mechanic's nose and requiring 3 stitches

February 14, 2019 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Struck against stationary object

Employee cut index finger on sharp edge of a guard while trying to open the guard to check the drive belts.

February 12, 2019 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

The employee was climbing up on a scraper to retrieve some tools. As ee was climbing up, ee felt some pain in right bicep. The employee was seen by a doctor and it was determined that ee has a tear in right bicep.

November 14, 2018 ND · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

EE was cleaning screens and one of the screens fell off the box it was on and the EE reached out to catch it. EE felt a pop in the right bicep.

March 13, 2018 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Absorption of radiations, caustics, toxic and noxious substances

EE was filling windshield wash reservoir and it squirted into right eye. Employee was wearing safety glasses. The fluid came up and under the bottom of the glasses.

August 23, 2017 WY · Metal/Non-Metal bagging, package operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Employee was lifting a 40 lb bag and felt pain in EE's mid back. EE was evaluated by a Dr. and placed on a 20 lb lifting restriction.

August 21, 2017 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Struck by flying object

Employee unloading a tire from pick up and tire bounced and hit employee's leg in the knee area. Two weeks later the employee started to have swelling in the ankle and was looked at again and it found that employee had an abscess in the lower leg and had to have minor surgery to remove infected area.

March 2, 2017 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee turn door knob in break room and felt wrist pop.

December 26, 2016 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Employee was opening hopper car doors on top of the railcars and one of the lids was frozen down on one end. When employee was lifting the door, employee felt a sharp pain in employee's back.

September 20, 2016 ND · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Miner aggravated a bilateral hernia condition on their left side when lifting 50lbs lignite bags and stacking them on a pallet.

July 13, 2016 ND · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Employee was manually handling 50 Lb bags all day and finished shift at 3:00 PM. At midnight EE woke up with back pain and went to the ER where the Dr prescribed EE medication and gave EE lifting restrictions.

September 24, 2015 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee welding and received burn to groin area

September 21, 2015 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Struck by falling object

Employee was taking a bearing off on #1 mill in the tower when bearing fell off the shaft and contact employee arm giving him a laceration on the right arm.

July 4, 2015 WY · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

on 7-4-15 employee was taking a guard off and felt a twinge in his back. He reported a stiff back to supervisor. Employees back felt fine the next day and was not treated by a Dr at that time. Employee contacted supervisor on 8-10-15 and wanted to get his back checked by a Dr because it was bugging him. Employee was seen on 8-11-15 and placed on a 15 pound lifting restriction.

January 14, 2015 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was clearing jam up top on top belt of #1 packer and forgot to shut the stop switch off up top and when bag was cleared belt turned back on while he was on it.

January 7, 2015 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between (Not Elsewhere Classified)

Hooking light plant up to a van and got fingers pinched between ball and hitch

September 19, 2014 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Struck by... (Not Elsewhere Classified)

Employee was going to check on a plugged auger on the mill. While walking by the auger the bolts on the motor mount broke and struck his right leg.

April 28, 2014 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
American Colloid Company · Struck against stationary object

Employee left hand contacted a piece of metal resulting in a laceration that had to have 3 stitches.

December 7, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in pulling or pushing objects

EE was pulling on the switch and felt pain in his shoulder chest area. Employee was 11 hours into his 12 hour shift. Outside temperature was -21 degrees below zero. Dr suggested 3 or 4 days of limited use of right arm or shoulder.

August 19, 2013 AL · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
American Colloid Company Mineral Group · Over-exertion in pulling or pushing objects

Employee was attempting to pull a metal basket out of a trailer he was loading with bentonite clay. While doing so he injured his right bicep. The basket was in bad condition and a new basket was already being contructed by a contractor. Employee should not have been using the damaged basket.

August 13, 2013 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in wielding or throwing objects

Sprained wrist resulting in restricted duty

March 11, 2013 AL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company Mineral Group · Over-exertion in pulling or pushing objects

Employee was trying to maneuver a 400 pound air compressor when he felt a sting in his lower part of his back.

February 1, 2013 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between a moving and a stationary object

Belly Dump gate closed while cleaning the trailer. Employee's leg was squeezed.

January 17, 2013 WY · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

EE was operating the box erector putting a empty box in machine. While doing so the EE felt a sharp pain in lower back region. The doctor put him on restrictions of not lifting over 20 pounds until Jan 28th, thus constituting as a MSHA reportable accident.

January 17, 2013 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Struck against stationary object

EE was changing heater hose on a loader while doing so he hit his hand on a hose clamp and cut his hand. The EE received 2 stitches on the top of his hand. This constituting as an MSHA reportable accident.

October 2, 2012 WY · Metal/Non-Metal pumper HANDLING OF MATERIALS
American Colloid Company · Struck by falling object

EE was changing clutch on a drill truck while doing so the ring gear slipped off the crank shaft and he cut his finger. He received five stitches on his right index finger thus constituting in an MSHA reportable accident.

June 1, 2012 WY · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS WALKING UP A RAMP OUTSIDE THE MAINTENANCE SHOP CARRYING MATERIAL TO A JOB SITE AND FELT LEFT KNEE POP AND GET VERY WARM. KNEE CONTINUED TO POP IN AND OUT THE REST OF THE DAY. EMPLOYEE DECIDED TO SEE A DOCTOR ON 6-12-12. EMPLOYEE CONTINUED TO WORK FULL TIME THRU 6-27-12. HE WENT IN FOR KNEE SURGERY ON 6-28-12.

April 11, 2012 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

EE was re-stacking pallets with broken bags on them. EE felt pain in lower wrist. Doctor placed EE on restricted duty of no lifting with left hand for 5 days, thus constituting MSHA reportability.

February 22, 2012 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

EE was stacking 50 pound bags of finished product on pallets. Felt some discomfort in right wrist. Was placed on restrictions of no lifting over 10 pounds due to muscle strain, thus constituting MSHA Reportability.

January 18, 2012 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
American Colloid Company · Struck against stationary object

A lab tech. was taking a sample out of a pipe that was loading a railcar. The force of the flowing material took the bag from his hand. It startled him and he jerked his hand back hitting his index finger of his right hand on metal. This caused a laceration on his finger requiring five stitches to close.

September 7, 2011 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

EE was stacking boxes of jugs on pallets and wrist/forearm started to hurt. Doctor put EE on lifting restrictions of no more than ten pounds for one week.

July 25, 2011 SD · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

Operator was picking up a piece of plywood off the ground. He bent down to pick it up and when he started lifting felt a strain in his back. Operator was put on lifting restrictions for 1 week thus constituting MSHA reportability as a restricted injury.

April 18, 2011 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between a moving and a stationary object

Employee had his hand on a chain to keep tension on it, the chain pulled back and pinned his hand between the chain and an elevator. This resulted in stitches and a broken pinky finger.

March 2, 2011 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Struck by falling object

Mechanic was working on a PTO driveline. He thought it was in place but it dropped hitting him in the mouth.

February 28, 2011 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Operator was picking up a windrow on the edge of a pit. The windrow was wet and scraper operator slipped off of it back onto the pit cut jarring his back.

December 16, 2010 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Caught in, under or between a moving and a stationary object

EE was putting hook of car puller onto rail car when his index finger was cut, stuck in between hook and car. Took EE to doctor and doctor removed nail, put 2 stitches in and prescribed antibiotics, thus constituing MSHA reportablity.

November 30, 2010 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

EE was carrying an extension ladder up a flight of stairs with another EE when he felt a pop in his knee.

November 29, 2010 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
American Colloid Company · Over-exertion in lifting objects

EE was throwing 100 pound bags. Felt pain in wrist at the end of shift. Went to doctor on 11/30 and was told EE had tendonitis. Restrictions of not lifting anything over 10 pounds was put on EE resulting in MSHA reportablity.

September 2, 2010 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was removing a guard to work on a return spool for a railcar mover, when he felt a twinge in his lower back.

July 27, 2010 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
American Colloid Company · Over-exertion (Not Elsewhere Classified)

Employee was shoveling at tail end of a conveyor. As he was turning to dump the scoop in the wheelbarrow he strained his back. A doctor prescribed him muscle relaxers constituting MSHA reportability.

Showing 50 of 158