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

42 total records

Showing all 42
February 23, 2026 MO · Metal/Non-Metal groundman, yardman STRIKING OR BUMPING
N R Hamm Quarry LLC · Struck against stationary object

Employee dropped EE's hard hat on the ground, picked it up and started walking and hit forehead on walkway support beam. Laceration to forehead.

February 13, 2026 KS · Metal/Non-Metal groundman, yardman SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall onto or against objects

Employee was attempting to rotate a conveyor tail pulley with a bar; the bar slipped from pulley causing employee to lunge forward hitting EE's chin on the side of conveyor frame.

June 25, 2025 IA · Metal/Non-Metal miner, nec FALL OF ROOF OR BACK
NR Hamm Quarry LLC · Struck by... (Not Elsewhere Classified)

The underground mine had a cave-in and the employee is experiencing ringing in the left ear and headaches caused by the loud noise and air pressure.

June 25, 2025 IA · Metal/Non-Metal miner, nec FALL OF ROOF OR BACK
NR Hamm Quarry LLC · Struck by... (Not Elsewhere Classified)

The underground mine had a cave-in and employee is experiencing ringing of the left ear and headaches caused by the loud noise and air pressure.

June 25, 2025 IA · Metal/Non-Metal FALL OF ROOF OR BACK
NR Hamm Quarry LLC · Accident type, without injuries

An unplanned cave-in / release of material occurred underground during the second shift. During the second shift employees were loading shot rock and transporting to surface storage area when employees heard material falling and an accumulation of dust appeared in their area.

April 11, 2025 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
N R Hamm Quarry LLC · Caught in, under or between running or meshing objects

Employee was clearing blockage from a closed conveyor belt gate; employee attempted to clear blockage with hands, moving conveyor belt moved the blockage while employee had hand on it and hand became wedged between belt and blockage causing injury to fingers on left hand.

March 31, 2025 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall onto or against objects

Employee was performing Pre-Shift inspection, checking fluid levels 0n 374F cat Excavator and mis-placed footing and fell. injured left shoulder catching themselves during the fall. Stepped off a narrow walkway That surrounds the inside of house into the hydraulic hose assemble area for the boom.

November 18, 2024 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
N R Hamm Quarry LLC · Caught in, under or between running or meshing objects

manlift basket was used improperly as a lifting device and the employee was pinched during the lifting process.

July 21, 2024 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
N R Hamm Quarry LLC · Struck against stationary object

Employee was closing a shale gate. The gate did not fully close and EE used the handle lever (detachable square tubing) to strike against the gate. In doing so, EE hit EE's hand on the gate fracturing the tip of EE's left ring finger. Also lacerated the finger the required stitches.

July 8, 2024 KS · Metal/Non-Metal groundman, yardman HANDLING OF MATERIALS
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

WHILE EMPLOYEE WAS ASSISTING IN CLOSING THE SCREEN CHUTE GATE, EE PLACED RIGHT THUMB IN A PINCH POINT AND INJURED THE RIGHT THUMB. 3 STITCHES TO THE NAIL BED OF RIGHT THUMB.

January 3, 2024 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall to the walkway or working surface

Employee parked their personal vehicle in the scale house parking lot and slipped on ice and fell backwards as they were exiting their vehicle. Icy conditions contributed to injury.

October 10, 2023 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall from ladders

Employee was performing belt Maintenance and lost EE's balance while on a 6ft step ladder and fell backwards to the ground. Right leg Fibula, Tibia, and ankle fractures.

October 11, 2022 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Over-exertion in pulling or pushing objects

Employee was stemming holes and when employee took a scoop of rock employee hit something hard in the stemming pile and hurt shoulder. I dug through the stemming pile and found a large rock.

June 28, 2022 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Employee was installing new drive belts on a conveyor sheave. As employee was rolling the new belt on the sheave their right thumb was caught between sheave edge and belt causing a laceration to thumb.

March 29, 2022 MO · Metal/Non-Metal FIRE
N R Hamm Quarry LLC · Accident type, without injuries

Overheated material fell onto the clinker conveyor belts and caused the skirt rubbers to catch on fire. The resulting fire heat caused electrical damage to the e-stop causing the belts to stop. Employees tried extinguishing the fire with fire extinguishers. The employees called the fire department. No employees were injured, property damage will exceed $10,000.

December 3, 2021 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Employee was cleaning inside of a Reed Gunite Pot and got left hand glove caught between feed wheel and rock shear. Severed tip of middle finger and index finger.

November 30, 2021 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Hamm Inc. · Over-exertion in lifting objects

An employee went to take a scoop of stemming rock and pulled a muscle in upper right thigh.

November 20, 2021 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS REMOVING A BELT C-CLAMP FROM CONVEYOR BELT, SMASHED PINKY FINGER ON RIGHT HAND.

October 12, 2021 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Hamm Inc. · Over-exertion (Not Elsewhere Classified)

The employee was stemming holes and while walking EE stepped off in a hole and strained left knee.

October 7, 2021 KS · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
N R Hamm Quarry LLC · Over-exertion in lifting objects

We had two shots today. Halfway through the 2nd shot, I was moving the hose over some drill cutting piles and I felt pain in my scrotum. I went to the ER to be examined by a Dr. After receiving an ultrasound and CT scan, I was told I have 2 Inguinal Hernias that will require surgery to fix.

August 21, 2021 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Struck against stationary object

Employee was attempting to remove a nut from a screen deck bolt. Bar that employee was prying with slipped and employee cut left hand ring finger.

July 17, 2021 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
N R Hamm Quarry LLC · Struck against stationary object

Employee alleges that the tire blew out on equipment EE was operating causing injury to EE's head.

October 30, 2020 MO · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Struck against stationary object

Injured employee was swinging a sledge hammer and missed the point of contact and hit right hand pointer finger on shaft. Broke right hand pointer finger.

August 10, 2019 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall onto or against objects

Employee slipped on a wet conveyor belt while inspecting a splice and their right knee came into contact with the metal chute. Employee received 7 stitches on lacerated area below knee.

July 2, 2019 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Employee was attempting to move a metal portable folding explosive sign, when employee lifted the sign the legs folded together pinching the employees right middle finger.

April 2, 2019 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
N R Hamm Quarry LLC · Struck by flying object

Windy conditions stirred up dust and entered employee left eye. Left eye irritated that required medicated eye drops.

February 11, 2019 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Fall from machine

Employee slipped and fell on ice in parking lot and strained right shoulder while exiting ee personal vehicle.

January 8, 2019 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Over-exertion (Not Elsewhere Classified)

Slipped and lost balance causing employee to stumble backwards and twist ankle.

July 7, 2017 KS · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
N R Hamm Quarry LLC · Over-exertion in lifting objects

Employee was retrieving equipment following a shot. Employee bent over to check a video camera before turning it off and felt an intense pain in employee's lower back. Employee reported pain while walking and getting in and out of vehicles.

June 23, 2015 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Struck by... (Not Elsewhere Classified)

Employee was struck by socket that came off an impact wrench while servicing equipment striking him on his front tooth

June 18, 2014 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Removing rocks from cat walk on crusher, rock weighted around 150 lbs. pinky finger got between rock and handrail.

October 16, 2010 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
N R Hamm Quarry LLC · Caught in, under or between two or more moving objects

Adjusting and cleaning of a tail pulley on a 110' Masaba Conveyor LOTO was not performed by the EE before entering the tail pulley section of the conveyor. Belt was energized by the operator; EE was in tangled in the pulley from his feet to his mid section of his body. EE was fatally injured.

September 24, 2008 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
N R Hamm Quarry LLC · Over-exertion in lifting objects

Employee was helping to lift a screen. Employee injured shoulder.

June 10, 2008 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Over-exertion (Not Elsewhere Classified)

Employee stepped off loader and twisted ankle.

August 24, 2007 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
N R Hamm Quarry LLC · Struck by falling object

Employee was moving an impact hammer from a lower level to an upper level. Employee lifted the impact hammer and was unable to hold it and it dropped on his hand.

February 2, 2005 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
N R Hamm Quarry LLC · Over-exertion (Not Elsewhere Classified)

Employee was getting onto a D-8 dozer when he slipped on the steps that were muddy and injured right knee.

September 8, 2003 KS · Metal/Non-Metal miner, nec HANDLING OF MATERIALS
N R Hamm Quarry LLC · Over-exertion in lifting objects

OVER A TWO MONTH TIME PERIOD THE EMPLOYEE'S ARM STARTED TO HURT. HE NOTIFIED US ON 9-8-03 AND THEN WENT TO A DOCTOR. UPPER ARM OR SHOULDER STRAIN.

July 17, 2002 KS · Metal/Non-Metal drill helper HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Struck by falling object

TAKING WEDGES OUT OF HAMMER MILL, WAS HOLDING ON TO WEDGE WHILE OTHER EMPLOYEE HIT WEDGE. WEDGE DROPPED ON EMPLOYEE'S HAND.

July 2, 2001 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
N R Hamm Quarry LLC · Struck by... (Not Elsewhere Classified)

TWO EMPLOYEES WERE MOVING A SCREEN WHEN IT SLIPPED OUT OF ONE'S HAND CUTTING HIS FINGER. HE NEEDED STITCHES ON HIS MIDDLE FINGER.

November 17, 2000 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
N R Hamm Quarry LLC · Struck by... (Not Elsewhere Classified)

EE WAS USING A HAMMER WHEN HE HIT HIS FINGER. HEWAS WEARING TINTED SAFETY GLASSES IN A POORLY LIGHTED AREA. HE SUFFERED A CUT FINGER.

March 23, 2000 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
N R Hamm Quarry Inc · Struck against stationary object

WALKING ON SOME ROCKS AND TWISTED KNEE. X-RAY WAS NORMAL AND EE RETURNED TO WORK MISSING ONE DAY.

Showing all 42