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
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The record

135 total records

Showing 50 of 135
April 30, 2019 WY · Coal welder (shop) HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

While lowering a section of floor grating into a work platform frame in the shop, the Welder's finger was caught between the frame and the grate. The contact cut through Welder's leather gloves and resulted in a laceration requiring 6 stitches.

November 3, 2017 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Cordero Mining LLC · Struck against a moving object

While loading under a shovel, the shovel bucket opened prematurely dropping material abruptly on the tail of the truck bed. The operator experienced back pain due to the impact. Treatment was limited to first aid and the employee continued to work without restrictions until 12-22-17, when the employee received light-duty restrictions from physician.

September 23, 2015 WY · Coal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

A Dragline Oiler was moving a toolbox and pinched the tip of his finger against the toolbox and the hard surface of the swing case. The contact resulted in a fracture on the tip of his finger. He was wearing gloves at the time of the accident.

August 23, 2015 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

An employee was walking from the parking lot to the mine office. He stepped off of a curb, lost his balance, and fell to the ground. An x-ray revealed a fractured bone in his arm.

August 13, 2015 WY · Coal crusher attendant/operator, pan feeder operator/worker MACHINERY
Cordero Mining LLC · Caught in, under or between (Not Elsewhere Classified)

A plant operator was installing a bullwheel on a crusher unit. The spreader bar that the bullwheel was mounted on swung back towards the employee. The employee's fifth (pinky) finger was pinched between the spreader bar and a bracket causing a fracture and a laceration that required sutures to close. He returned to work that same shift.

April 2, 2015 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

A mechanic was tightening a chain and device used to change out dozer cutting edges. An overhead crane was also used. He over-hoisted the crane which put too much tension on the device. The device failed and struck his wrist causing a laceration and fracture.

February 13, 2015 WY · Coal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

A dragline oiler was next to the tub unhooking a cable strap. The dragline rotated and he was struck in the shoulder with a hook shoe. A physician allowed him to work his normal duties until a surgery could be scheduled.

February 2, 2015 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

A haul truck operator was attempting to fuel her truck. She was pulling on the hose to straighten it when her foot got caught in the hose. She fell to the ground. After working her normal shifts for 3 weeks, she was unable to report to work on a night shift on 2/27/15 due to her injury.

January 23, 2015 WY · Coal welder (shop) SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to lower level, (Not Elsewhere Classified)

A welder was working on a shovel dipper door which was laying flat on the shop floor. While he was crouched on top of the door, his foot slipped off the edge. He fell to the shop floor and fractured his left wrist.

October 1, 2014 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Fall to the walkway or working surface

A mechanic was using a torque wrench on a nut. The wrench failed causing the mechanic to fall to the shop floor. As a result of the fall, his right ankle was broken.

August 22, 2014 WY · Coal INUNDATION
Cordero Mining LLC · Accident type, without injuries

A series of thunderstorms passed over the three pit areas. The coal runs in the bottom were flooded and activity in these areas was halted. The dirt runs, three draglines, and facilities were not affected.

July 14, 2014 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

A mechanic was attempting to pull a gear across a work table toward a crane. The gear slipped off the table pinching his finger. The wound took 3 sutures to close and he was given a full duty release. He returned to work on that same shift.

May 17, 2013 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

A mechanic was cutting a section of heater hose with a razor knife. His other hand was stabilizing the hose. As he drew the knife toward himself, the blade contacted the top portion of his left hand above his thumb causing a two-inch laceration. The mechanic received sutures to close the wound and returned to full duty on the same shift.

February 16, 2013 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

A mechanic was removing a hydraulic hose from a hydraulic pump on a haul truck. He was using a socket and air gun. When he started the task, the socket came loose and struck him in the mouth. He sustained a crack to his right front tooth.

October 31, 2012 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

An employee was using a six foot pry bar when the bar slipped and hit him in the lower lip and jaw. He received a laceration to the inside lower portion of his lower lip. Sutures were required to close the wound. The employee was released to return to full duty that same day.

September 1, 2012 WY · Coal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Cordero Mining LLC · Over-exertion in lifting objects

A dozer operator was pushing a cable tower that had cable strung on it. The cable became draped over the dozer arm. In attempting to lift the cable off the dozer arm, he felt a "pop" in his left arm. He continued to work his next shifts, per ER doctor release,until he could see an orthopedic surgeon.He was diagnosed with a torn bicep tendon.

July 5, 2012 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Cordero Mining LLC · Over-exertion (Not Elsewhere Classified)

Mechanic alleges that while he was washing a truck in the mine wash bay, his foot slipped as he took a side step causing him to lose his balance. He states he did not fall down but felt pain in his lower back as he regained his balance. This incident is still under investigation.

May 1, 2012 WY · Coal EXPLOSIVES AND BREAKING AGENTS
Cordero Mining LLC · Accident type, without injuries

A partially loaded cast blast pattern detonated unexpectedly when an adjacent cast blast pattern was fired. The two patterns were separated by a shot break consisting of two rows of empty drill holes. The unplanned detonation caused damage to a small equipment trailer and broke several windows on an unmanned overburden drill.

March 22, 2012 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Cordero Mining LLC · Struck by flying object

Employee was working on equipment and the wind came up and blew a foreign body in his right eye. Foreign body was removed by a doctor.

February 10, 2012 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

A haul truck operator was walking behind a haul truck when she slipped on packed snow and fell injuring her right knee and back. She received first aid treatment and returned to work on the same shift. On April 27, 2012 a physician prescribed work restrictions.

February 10, 2012 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

Employee was pushing a wheeled dumpster through the shop when his left pinky finger was caught between the dumpster and the tire of a haul truck that was parked in the shop. The finger was lacerated and required sutures to close.

February 3, 2012 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Over-exertion (Not Elsewhere Classified)

Employee states, "Tripped while returning to my truck after fueling, stepped wrong and twisted my knee." Walking surface was flat, clear of debris, dry and illuminated at the time of the incident.

December 28, 2011 WY · Coal rock driller HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

Employee states that she was closing the cab door on a drill as she exited when her left thumb was pinched between the door latch and the latch striker mechanism. The thumb sustained fractures, lacerations and an avulsed nail.

December 14, 2011 WY · Coal welder (shop) HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

Employee was welding in the drum of a dragline. He just completed his job picked up his tools and was walking out of the dragline to go to lunch . He was wearing his safety glasses with side shields. As he stepped out into the light he felt something in his eye. He was taken to the eye doctor where a small piece of metal and a rust ring was removed from his eye.

November 19, 2011 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

While walking to the crew bus at the end of her shift, haul truck operator slipped and fell fracturing a bone in right wrist. Area had been bladed prior to the incident.

November 3, 2011 WY · Coal electrician, lineman ELECTRICAL
Cordero Mining LLC · Flash burns (electric)

Employee was installing a 480 volt breaker when a short circuit occurred. Prescription ointment was applied to the employee's eyes for treatment of the flash injury that resulted.

October 30, 2011 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

On 10/30/2011 an employee exited a crew bus and was walking towards their haul truck. When they slipped on a patch of ice and fell to the ground landing on their right shoulder. On 10/30/2011 the injury was not reportable. However on December 15, 2011 they employee went in to see a doctor about the injury and was prescribed physical therapy for the injury.

July 27, 2011 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Fall onto or against objects

A mechanic was attempting to move a retainer bolt from a hardnose pivot pin. The socket slipped off the bolt head and his face came in contact with the stabilizer bar. This caused a laceration to his chin and a chipped/cracked tooth. The laceration required four sutures and the tooth required crowning procedures.

July 13, 2011 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Cordero Mining LLC · Caught in, under or between (Not Elsewhere Classified)

The employee was cleaning out a bed of a pick up truck after completing a task. In the process he pinched his left forearm between a thirty pound transition pipe and the truck bed. This caused a laceration to his left forearm which required five sutures to close.

May 21, 2011 WY · Coal grader operator, roadgrader operator SLIP OR FALL OF PERSON
Cordero Mining LLC · Over-exertion (Not Elsewhere Classified)

Employee was descending the ladder of a Caterpillar 16G blade. As he reached the ground, he twisted his left ankle resulting in a sprain/strain injury to the ankle.

May 2, 2011 WY · Coal outside foreman, leadman SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

EE was installing the double winch bracket onto the boom tip of the digger derrick. He was pushing the bracket down so it could swing over the boom tip. When the bracket went EE fell forward causing his left ankle to twist resulting in a fracture to the left fibula. The tight fitting bracket and the terrain were contributing factors.

April 7, 2011 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

Employee's hand was pinched between lower pin on tow hauler grab hook and a jackstand. When the employee was removing the pin, the grab hook unexpectedly rotated causing the pinchpoint. The employee's hand received a two inch laceration that required five sutures to close.

February 15, 2011 WY · Coal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator NONPOWERED HAULAGE
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

Employee was repositioning a hand cart loaded with two brake calipers in the warehouse, when it overturned striking the employee's right thumb, causing the thumb to be fractured.

December 30, 2010 WY · Coal pumper HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

Employee carried a floor jack to a concrete apron outside a utility shed to jack up a pickup. When he reached the pickup, he dropped the jack appoximately 1 1/2 feet to the ground. The jack handle sprung upward striking the employee's left ear. The blow caused a laceration that required sutures to close.

December 27, 2010 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Cordero Mining LLC · Over-exertion (Not Elsewhere Classified)

Employee filed a worker's compensation claim for alleged carpal tunnel syndrome on 12/27/2010.

October 28, 2010 WY · Coal welder (shop) HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

Employee was welding cracks on a 8750 revolving frame in inclement weather, after the shift was over and he had left the mine site. An hour and half after the shift ended he reported to a shop supervisor that he had a foreign object in his (L)eye.

June 14, 2010 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

While walking in pit area, employee slipped and fell down causing a sprain to his left ankle.

April 18, 2010 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

Employee was attempting to raise the mast on a stadium light plant. When the employee got the mast vertical, he then attempted to extend the mast to raise the lights to desired height. At this time the dead end of the cable bracket broke free striking employee on the chin causing a laceration requiring 10 sutures to close.

February 3, 2010 WY · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Cordero Mining LLC · Struck against a moving object

A D-10 track dozer started pushing chunks off of the east side of the cut between the two shovels. The dozer operator started working back and forth to try to get back up their push. The dozer at that time started sliding forward on the material that had built up, and fell off of the bench.

December 10, 2009 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cordero Mining LLC · Struck against stationary object

Employee was working in the hell hole of a D-11 caterpillar dozer. To remove a breather from the transmission. When the breather broke loose from the transmission. It caused the employees right arm to move up and back striking a fire suppersion nozzle. Causing a fracture to the right elbow.

July 4, 2009 WY · Coal welder (shop) MACHINERY
Cordero Mining LLC · Struck by falling object

Employee was air arcing a heel band off of a 4100 shovel bucket. He was a making a cut with the air arc when the band fell from the bucket landing on his right wrist and hand.

July 1, 2009 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cordero Mining LLC · Fall to the walkway or working surface

Employee was in the process of changing a tire on a 1 ton pickup. The tire iron slipped off the lug nut and cuased the employee to fall backwards. During this, the employee's left ankle rolled, resulting in a fracture.

February 8, 2009 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver ALL OTHER OCCUPATIONAL ILLNESSES
Cordero Mining LLC · (Not Elsewhere Classified)

Employee experienced a flare up of arthritis of the right shoulder due to motion of operating a haul truck over rough roads.

January 26, 2009 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cordero Mining LLC · Caught in, under or between a moving and a stationary object

Employee was lining up a lift cylinder to a D-block on a D-11 Cat dozer. During lining up of the cylinder and the D-block. The employee's left hand was caught between the D-block and the gusset on the dozer blade resulting in fractures to the left middle and ring finger.

December 11, 2008 WY · Coal welder (shop) HANDTOOLS (NONPOWERED)
Cordero Mining LLC · Struck by flying object

Employee was removing a lip shroud from a shovel bucket. A hammer was used to loosen the shroud. This caused a piece of metal from the bucket to strike the employee between the eyes causing a laceration.

November 20, 2008 WY · Coal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Cordero Mining LLC · Bodily reaction, (Not Elsewhere Classified)

Employee states that he bent over to wash under a conveyor and when he stood up his knee "popped" and he felt pain.

October 22, 2008 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Cordero Mining LLC · Struck by... (Not Elsewhere Classified)

After securing the rope on a cable tree rope brake, the employee pulled sharply on the free end of the rope which caused the rope brake to swivel towards the employee. The handle on the rope brake struck the employee on the right eye causing ocular fractures. The employee was wearing safety glasses at the time of the incident.

October 17, 2008 WY · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Cordero Mining LLC · Struck against a moving object

A haul truck driver states she was injured when the truck she was driving traveled over rough roads. The motion of the truck caused back pain. As a result, a physician prescribed pain medication, physical therapy, and time away from work.

October 15, 2008 WY · Coal welder (shop) MACHINERY
Cordero Mining LLC · Struck by flying object

While using a hydraulic cylinder to straighten bent flanges on a dragline mast, the cylinder dislocated, sprung from position and struck 2 employees approx. 8 feet away from the cylinder in their protective safety headgear. Employee 1 recieved a minor contusion to the forehead and Employee 2 recieved contusions, cuts and fracture from impact of the cylinder to his safety glasses

August 12, 2008 WY · Coal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Cordero Mining LLC · Struck by falling object

Employee was reaching to mouse a crane hook when the load of door panels slipped off a 6 x 8 x 48 1/2" wooden block and slid down to 2.5 feet - temporarily pinning his foor between the door panels and the floor.

Showing 50 of 135