Mining Incidents

Antire Quarry (CS-72)Metal/Nonmetal

Controlled by Riverstone Group
Eureka, Jefferson County, MO · Active
MSHA Mine ID: 2300026
Fatalities
0
Total incidents
47
Years on record
2001–2025
Latest incident
Sep 2025
No fatalities recorded at this mine.

Reportable incidents

47 on file

2025 · 1 incident

Struck by flying object

Employee alleges EE was removing bearings and a piece of sliver steel went into EE's left hand.

2024 · 1 incident

Struck by falling object

Employee alleges they were changing a drill bit and the drill fell from the hammer and pinned the index and ring fingers under the drill bit causing injuries to their right hand. Employee also received stitches.

2023 · 1 incident

Fall from machine

Employee alleges employee was standing on a platform trying to unhook a chain and fell backwards off of the crane landing on the ground.

2022 · 2 incidents

Struck by falling object

Employee was doing maintenance at the plant, removing a section of catwalk. While doing so, the catwalk fell hitting EE's wrist pushing it into the hood of the scalping screen causing laceration on the outside of EE's rt wrist.

Over-exertion in pulling or pushing objects

Employee was belt splicing when EE reached for the skiver tool by twisting backward to the right, reaching with EE's right hand/arm. Once EE had hold of tool EE realized it was hung on a piece of belting, EE started pulling and jerking to free up the tool when EE heard pop from shoulder and felt pain.

2021 · 1 incident

Over-exertion in lifting objects

Employee was lifting a full argon gas cylinder for the welder. Felt pain in lower back. Returned 1/08/21 - didn't report until 1/11/2021 - at that time we sent EE to the Doctor.

2020 · 2 incidents

Struck against stationary object

Employee was working on a conveyor scraper. While tapping on scraper bracket with hammer, struck right forefinger knuckle against bracket causing abrasion. EE did not initially report injury, thought it to be minor, on Sunday 9/20 it was infected and sought treatment @ urgent care.

Struck against stationary object

Employee was working on the shop floor underneath the Komatsu 900 pit loader. When coming up from under machine EE hit head on the edge of the hydraulic tank causing a laceration on the top of EE's head, requiring stitches.

2019 · 3 incidents

Struck by... (Not Elsewhere Classified)

Employee was using a utility knife to cut a piece of conveyor belting. In the process the blade pulled from the belting, the knife struck EE's right leg which caused a laceration that required sutures.

Struck against stationary object

employee was walking on crusher catwalk after crusher went down, stepped on rock and rolled ankle causing ligament strain of right ankle.

Fall to the walkway or working surface

Employee arrived for the shift, while walking across the wet limestone parking lot EE slipped and fell onto knees, causing contusion on L knee. At time of this injury on 9/3/19, EE thought was okay. On 10/24/19 EE reported knee still bothering EE. Was sent to Dr for 1st visit. On 11/4/19 EE had follow-up & Dr put EE on restrictions.

2018 · 3 incidents

Struck by falling object

Employee was at the crusher spraying inside of chute with 115 psi. The hose tip was just inside the chute door. Something broke loose above and it fell down hitting tip of the hose which caused employee's arm to go downward causing bone fractures in left arm.

Fall from machine

Employee was going up steps of skid steer to pull the keys from the ingnition for the day. After retreiving the key, EE pivoted on EE's foot causing the boot tread to get caught in the step of the machine. Employee was thrown off balance and fell approx 2' to ground on right shoulder.

Struck against stationary object

Employee was using pick axe to clear chute build up. The pick axe hit hard build up and slid off going deeper into chute, causing employee's finger to strike the chute hinge causing laceration.

2013 · 1 incident

Struck by... (Not Elsewhere Classified)

Employee was rolling air hose onto reel by hand when a twist at the end of the hose came undone and hit him in the mouth, causing his tooth next to the front tooth to break off.

2010 · 1 incident

Fall from machine

EMPLOYEE WAS ON DOZER PLATFORM AND DROPPED HIS PENCIL, BENT OVER TO PICK IT UP AND BUMPED HIS HEAD ON THE MACHINE WHICH CAUSED HIM TO LOSE HIS BALANCE, LOST HIS GRIP AND SLIPPED DOWN ONTO HIS PICKUP TRUCK HOOD WHICH WAS PARKED NEXT TO HIS MACHINE, THEN SLIPPED DOWN TO THE GROUND.

2009 · 7 incidents

Struck by... (Not Elsewhere Classified)

employee was walking up on hill # 4 (with safety glasses on) to work on hydraulic drill, when he felt scratchiness, burning and watering of the left eye. foreign object in eye.

Caught in, under or between a moving and a stationary object

EMPLOYEE WAS HOLDING IN POSITION A PIECE OF WATER PIPE ON ONE END AND THE CRANE WAS HOLDING THE OTHER SO THEY COULD BE WELDED TOGETHER. THE END THE EMPLOYEE WAS HOLDING DROPPED DOWN 6"" TO THE GROUND CAUSING THE EMPLOYEE'S PINKY FINGER TO GET BETWEEN THE PIPE AND THE GROUND, CAUSING LACERATION.

Struck by flying object

Employee was using wheel grinder on a piece of plate steel. Foreign object in right eye.

Fall onto or against objects

Employee was using a 6' pry bar on the hood at the shaker. The pry bar slipped and caused him to lunge forward on the catwalk approx 10' falling against the lower hand rail.

Caught in, under or between a moving and a stationary object

Employee was removing bent conveyor for repairs. While using a 12' x 12' timber to block the conveyor, the timber was pushed to far on one end causing his end to drop down onto angle iron which caught his pinky on right hand, which partially tore the fingernail from the nailbed.

Fall from machine

Employee was getting off his excavator when he noticed there was mud on the step. To avoid slipping from the step he jumped from the track approx 3' landing on his left heel, which in turn caused pain in his back and leg.

Struck against a moving object

Employee was working on snow removal with his highlift when he struck a piece of frozen ice and it jarred him in his machine causing pain in his lower back. EMPLOYEE RETURNED TO WORK ON 1/28 & 1/29/09....FIRST DAY MISSED 1/30/09

2008 · 6 incidents

Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS PUTTING A CONVEYOR BELT ON WITH A ROPE ATTACHED TO A PULLEY THAT WAS THEN ATTACHED TO A TRUCK TO PULL. THE PULLEY BROKE AND THE ROPE HIT THE EMPLOYEE IN THE FOOT/ANKLE (R).

Caught in, under or between a moving and a stationary object

EMPLOYEE WAS HAMMERING ON WOOD BLOCK TO REMOVE SHAFT FROM THE SHAKER. MEANWHILE, THE SHAFT BREAKS LOOSE FALLING ONTO EMPLOYEE'S (L) LEG PINNING IT BETWEEN THE SHAFT AND THE DIVERTER PLATE.

Struck against a moving object

Employee was using his left hand to hold the ""raise bed"" switch on his loaded haul truck. His hand slipped from the switch causing his bed to free fall approx 1-2' causing the employee's body to jar.

Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS AT THE PLANT INSTALLING DUST SHIELD OVER THE CONVEYOR WHEN HE FELT A SHARP PAIN IN HIS LEFT CALF. POSSIBLE REPETITIVE MOTION FOR THE PAST 2 DAYS APPROX 5 HRS/DAY STANDING ON THE BALL OF HIS FOOT.

Over-exertion (Not Elsewhere Classified)

For the past 6 days for 2-3 hrs per day, this employee has been lying on his back at the crusher cleaning tar paper off the screens (from crushing asphalt) with his arms in the air. The repetive motion of holding arms up caused a golf ball size lump to pop up on his shoulder at the joint of the arm.

Struck against a moving object

Employee was operating a skidsteer cleaning up at the crushing plant. When he got out of the machine he felt a pain in his lower left back. (Not reported until 1/07/08).

2007 · 3 incidents

Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS IN A MAN LIFT TURNING ANGLE BRACKETS IN THE UPRIGHT POSITION TO SET THE CONVEYOR FRAME ONTO THE BRACKETS. THE OPERATOR HOLDING THE END OF FRAME WITH FORKLIFT MOVED AND IT CAUSED THE CONVEYOR FRAME TO MOVE AND LET CONVEYOR COME DOWN , RESTING UPON EMPLOYEE'S LEFT THUMB.

Caught in, under or between a moving and a stationary object

This over the road driver got out of his truck @ stockpile (restricted area) while waiting to be loaded to air up his low tire. On the ground he reaches into his truck to turn on a valve to put compressed air to his air hose. He then accidentally released his parking brake which allowed the truck to roll back and his leg ended up under the front wheel of his truck.

Fall onto or against objects

Employee was climbing off a D8R Cat Dozer and lost his footing. Employee's right ankle hit the dozers blade arm and a step welded to the blade arm , causing bruising and swelling.

2006 · 1 incident

Over-exertion (Not Elsewhere Classified)

Employee was on the haul road with his haul truck. There was a large rock in the roadway. Employee proceeded to roll the rock off the road and in the process hurt his shoulder. *****1st day of treatment = 9/26/06******

2005 · 2 incidents

Struck against stationary object

Employee was making a J bolt out of a concrete anchor. Instead of using a hammer he used a 2"" steel pin to strike the bolt. While hammering he slipped causing him to slide his little finger into the bolt causing laceration.

Fall from machine

EE WAS CHANGING SCREEN CLOTH AT THE CRUSHER, STEPPED ON THE DISCHARGE LIP CAUSING EE TO SLIP AND LOSE FOOTING. EE SLIPPED DOWN THE DISCHARGE SHOOT APPROX 6' LANDING ON THE CONVEYOR BELT.

2004 · 1 incident

Struck by flying object

Employee was using power saw to cut a piece of plywood when he felt something in his left eye. (EE was wearing safety glasses).

2003 · 4 incidents

Struck by falling object

EE WAS REPLACING THE BEARING ON THE BEND ROLLER. THE CABLE HOLDING THE ROLLER SLIPPED CAUSING IT TO HIT HIS FINGER CAUSING A LACERATION.

Fall from machine

EE WAS CLIMBING THE LADDER TO GET IN HIS TRUCK WHEN HIS HANDS SLIPPED FROM THE HAND RAILS, CAUSING HIM TO FALL TO THE GROUND.

Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS USING CUTTING TORCH TO CUT THE LEGS OFF A CONVEYOR. THE LEG FELL DOWN HITTING EMPLOYEE ON THE RIGHT SIDE OF THE FACE AND THE EAR. THE RIGHT EAR RECEIVED A LACERATION AS WELL AS A BURN FROM THE HOT METAL.

Struck by... (Not Elsewhere Classified)

EE WAS STANDING ON A LADDER, UP APPROX. 6', WHEN HE OVER EXTENDED, CAUSING THE LADDER TO FALL TO THE SIDE. EE HIT HIS SHIN.

2002 · 3 incidents

Struck against stationary object

EMPLOYEE HAD JUST MOVED TO A NEW WORK STATION & KEPT HITTING HER ELBOW ON THE COUNTER. NERVE IMPINGEMENT IN LEFT ELBOW CAUSING THE TIPS OF HER SMALL/RING FINGERS TO BECOME NUMB.

Fall onto or against objects

EE WAS STEPPING OVER WELDING LEADS & TRIPPED. HE WENT HEAD FIRST INTO THE CATWALK HANDRAIL.

Contact with hot objects or substances

EE WAS SPOT WELDING A PIECE OF PLATE STEEL. HE SLID OVER ROLLING HIS LEG OVER THE PLASMA CUTTER, CAUSING IT TO TURN ON AND BURN HIS LEG.

2001 · 4 incidents

Fall from machine

EE WAS CLIMBING THE LADDER TO HIS HAUL TRUCK WHEN HIS FOOT SLIPPED CAUSING HIM TO SLIP DOWN LANDING ON THE NEXT LADDER RUNG.

Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS USING AIR CHISEL TO REMOVE HAMMERS FROM CRUSHER. A PIECE OF THE BIT BROKE OFF AND LODGED IN HIS CHEST.

Caught in, under or between two or more moving objects

EE WAS LIFTING A ROCK TO UNJAM CRUSHER, WHEN THE ROCK ROLLED INTO ANOTHER ROCK, PINNING HIS FINGER, CAUSING LACERATION.

Over-exertion in lifting objects

EMPLOYEE WAS LIFTING A SAW HORSE WHEN HE FELT PAIN IN HIS RIGHT ARM, SHOULDER AND NECK.