Mining Incidents

Marble Cliff Quarry Metal/Non-Metal

Shelly Materials Inc · Underground
Controlled by CRH PLC
HILLARD, Franklin County, OH  ·  Active
MSHA Mine ID: 3300097

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Fatalities
0
Total incidents
30
Years on record
2000–2025
Latest incident
Jul 2025
Compliance record
MSHA citations since 2001
114
citations
23
significant & substantial
$44,645
proposed penalties
$38,522
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 12,197 5 0 409.9
2025 Q3 1,679 4 0 2382.4
2025 Q2 6,512 4 1 614.3
2025 Q1 6,257 5 0 799.1
2024 Q4 6,217 8 4 1286.8
2024 Q3 1,584 0 0 0.0
2024 Q2 7,174 1 0 139.4
2024 Q1 1,184 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

30 on file

2025 · 3 incidents

July 10, 2025 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OCCUPATIONAL SKIN DISEASES
Shelly Materials Inc · Absorption of radiations, caustics, toxic and noxious substances

Employee was clearing brush around electrical installations around the plant. They reported to the supervisor itching/burning eyes on 7/10. Employee rinsed eyes out and applied cooling packs but declined additional treatment. The following day 7/11 the employee was accompanied by Safety to the doctor where they were prescribed steroids.

June 9, 2025 OH · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Shelly Materials Inc · Absorption of radiations, caustics, toxic and noxious substances

The employee was exposed to shotcrete on both legs and caustic burns at 3pm on 4/21. The employee informed the supervisor at 9am on 4/22, at which time the supervisor provided 1st aid. The employee did not mention the incident again until 6/9/25 and was sent to the doctor that day. The employee is off work until released by the doctor.

May 27, 2025 OH · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall from machine

While descending from a roof bolter, EE planted EE's right foot at the edge of the cab when EE lost EE's footing and missed the top step, causing EE to fall approx. 5 ft. onto EE's right shoulder. On 6/3/25 EE was evaluated at Ohio Health Work Health where EE was diagnosed with a strain and given pushing/pulling/lifting restrictions of 10lbs with right arm.

2024 · 1 incident

October 23, 2024 OH · Metal/Non-Metal miner, prospector, nec MACHINERY
Shelly Materials Inc · Caught in, under or between a moving and a stationary object

Employee was operating a jack leg installing bolts into the face of the high wall. The employee was installing the bolt at a downward angle. The socket slipped off the head of the bolt causing the jack leg to rotate forward and mash the operators hand between the machines handle and the highwall face.

2023 · 1 incident

January 5, 2023 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Shelly Materials Inc · Over-exertion (Not Elsewhere Classified)

Truck driver was walking on a blasting bench. It had rained so the bench was muddy and had some standing water. The driver stepped in a hole that was obscured by water and twisted left foot/ankle.

2019 · 2 incidents

October 9, 2019 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall from machine

Employee was working on a crusher and climbed onto the crusher's drive belt guard without the required fall protection. Employee slipped and fell 6 feet onto the crusher platform. The fall resulted in a fracture to the pelvic bone, the employee was released with restrictions.

July 22, 2019 OH · Metal/Non-Metal backhoe operator, trackhoe operator MACHINERY
Shelly Materials Inc · Struck against a moving object

Operator in trackhoe using hydraulic hammer, secondary rock breaking. Heard a loud crack from above, dust flew and rock hit the cab. Lacerations on head, hands and left knee each requiring stitches. Admitted overnight for observation only.

2010 · 1 incident

May 25, 2010 OH · Metal/Non-Metal miner, prospector, nec OTHER
Shelly Materials Inc · Drowning

Non Employee and his friends trespassed onto an inactive section of the Quarry. They started swimming in a lake on the Quarry property. This person went under water and did not resurface. 911 responders arrived on site and recovered him from the water. Person was pronounced dead at 10:22 p.m. Drowning was the cause of death.

2007 · 2 incidents

November 9, 2007 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Shelly Materials Inc · Struck by... (Not Elsewhere Classified)

EE was making a repair to the belting on C-1 conveyor. He was using a utility knife to cut a piece of belting to use as a patch. He was kneeling on the conveyor catwalk and cutting the belt. As he was cutting the belt, the knife slipped and he struck his left thigh with the knife causing a laceration approximately 1 inch long by 3/8 inch deep.

May 16, 2007 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Shelly Materials Inc · Struck by flying object

Employees were adjusting a blow bar in a H.S.I. crusher. A 3lb. sledge type hammer was being used to knock the bar retaining wedges loose so the bar could be slid into position on the rotor. When an employee struck a wedge, a piece of metal broke off the hammer face and struck the employee in the right forearem. This caused a deep cut to the employee's arm.

2004 · 7 incidents

November 16, 2004 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall onto or against objects

Chute from 8'x20' screen to surge rock transfer conveyor plugged up w/material & had to be cleared. Once plug up was cleared EE & co-worker were walking under screen tower to haul trucks. A large wood block was on the concrete. EE saw the block & tried to step over it. He tripped & began to fall. He reached out & grabbed the side of the conveyor to keep from falling.

October 13, 2004 OH · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall to the walkway or working surface

EMPLOYEE WAS GREASING A LOADER WITH AN AIR GREASER LOCATED AT THE EQUIPMENT SHOP. THERE WERE SOME SHEEL CHOCKS AND A FEW STONES ON THE GROUND BETWEEN THE LOADER AND THE SHOP WALL. THE EMPLOYEE WAS WALKING BETWEEN THE LOADER AND THE SHOP WHEN HE TRIPPED OVER ONE OF THE STONES OR WHEEL CHOCKS AND FELL TO THE GROUND DISLOCATING HIS LEFT SHOULDER. HE WAS TAKEN TO THE HOSPITAL.

July 29, 2004 OH · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Shelly Materials Inc · Struck by falling object

Working on V.S.I. crusher. Inspection doors opened to access table. While ee was reaching into the crusher, one of the inspection doors fell closed striking the ee on the hard hat. The ee began having neck pain & went to get checked by a physician. The physician gave no treatment at that time. 8/9/04 ee returned to physician w/neck pain. Medication prescribed.

July 26, 2004 OH · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Shelly Materials Inc · Over-exertion (Not Elsewhere Classified)

EE WAS STANDING ON BOULDER AND SLIPPED, FALLING AGAINST TRUCK AND INJURING HIS SHOULDER. (EE WAS LOADING BOULDER WITH EXPLOSIVES TO SHOOT IT. GRABBED DOOR HANDLE ON TRUCK AS HE FELL - HYPEREXTENDED HIS SHOULDER.)

April 8, 2004 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman ALL OTHER OCCUPATIONAL ILLNESSES
Shelly Materials Inc · Inhalation of radiations, caustics, toxic and noxious substances

COUNTY HEALTH DEPARTMENT CONTACTED CO. ON MARCH 16, 2004. A PAST EMPLOYEE HAD BEEN DIAGNOSED AS BEING INFECTED WITH ACTIVE TUBERCULOSIS. ALL EMPLOYEE WERE CHECKED AND TWO WERE DIAGNOSED WITH LATENT TB. IT IS NON-COMMUNICABLE & BOTH EMPLOYEE WILL BEGIN ANITBIOTIC TREATMENT. WHEN FINISHED BOTH SHOULD FACE ONLY AN EXTREMELY LOW CHANCE OF INFECTION RETURNING.

April 8, 2004 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman ALL OTHER OCCUPATIONAL ILLNESSES
Shelly Materials Inc · Inhalation of radiations, caustics, toxic and noxious substances

COUNTY HEALT DEPARTMENT CONTACTED CO. ON MARCH 16, 2004. A PAST EMPLOYEE HAD BEEN DIAGNOSED AS BEING INFECTED WITH ACTIVE TUBERCULOSIS. ALL EMPLOYEES WERE CHECKED AND TWO WERE DIAGNOSED WITH LATENT TB. IT IS NON-COMMUNICABLE & BOTH EMPLOYEES WILL BEGIN ANTIBIOTIC TREATMENT. WHEN FINISHED BOTH SHOULD FACE ONLY AN EXTREMELY LOW CHANC OF INFECTION RETURNING.

January 19, 2004 OH · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Shelly Materials Inc · Struck by... (Not Elsewhere Classified)

EE WAS CLEANING SPILLAGE FROM A WALKWAY ALONG THE CRUSHER. SOME OF THE MATERIAL WAS FROZEN, SO A SPUD BAR WAS BEING USED TO LOOSEN IT. ONE EE WAS USING SPUD BAR & 2ND EE WAS SHOVELING IT OFF T HE WALKWAY. THE SPUD BAR BOUNCED OFF A STONE AND THE OTHER END OF THE BAR STRUCK THE EE IN THE FOREHEAD CAUSING LACERATION TO HIS FOREHEAD ABOVE THE RIGHT EYE. HE RECEIVED 3 SUTURES TO CLOSE

2003 · 1 incident

July 1, 2003 OH · Metal/Non-Metal truck driver POWERED HAULAGE
Marble Cliff Limestone, Inc. · Struck against a moving object

EMPLOYEE WAS HAULING PIT ROCK UP TO CRUSHER, HE WAS LEAVING PIT WITH A LOADED TRUCK AND DID NOT FOLLOW THE TRAVEL ROUTE WE ESTABLISHED. HE RAN THE TRUCK THROUGH A LOW SPOT IN FLOOR OF PIT. THE FRONT SHOCK ON TRUCK CAME APART. EE CLAIMS HE HIT HIS HEAD ON ROOF OF CAB.

2002 · 3 incidents

November 18, 2002 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Marble Cliff Limestone, Inc. · Over-exertion in wielding or throwing objects

EMPLOYEE WAS SWINGING A SLEDGE HAMMER TO DISLODGE A WHEEL ON A STACKER CONVEYOR. HE PULLED A MUSCLE IN HIS LEFT UPPER ARM.

August 18, 2002 OH · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Marble Cliff Limestone, Inc. · Over-exertion in pulling or pushing objects

EE WAS ATTEMPTING TO OPEN THE HOOD OF THE VOLVO HAUL TRUCK. HE SPRAINED HIS LEFT SHOULDER WHILE TRYING TO RELEASE THE HOOD.

April 6, 2002 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

AT 1030 A BEARING LOCKED UP ON USI SHUTTLE CONVEYOR. TO REMOVE BEARING NEEDED TO GET STONE OFF BELT, STARTED TO HOSE THE BELT HE WAS STANDING ON THE TAIL PULLEY GUARD. WHEN HE TURNED THE ON TH E HOSE IT KNOCKED HIM OFF BALANCE AND HE STEPPED OFF THE GUARD BACKWARDS AND TWISTED HIS LEFT KNEE.

2001 · 4 incidents

November 6, 2001 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between (Not Elsewhere Classified)

EE WAS FLIPPING BLOWBARS IN THE CRUSHER WITH TWOOTHER MEN. THEY HAD TO MANUALLY TURN THE ROTOR &EE CAUGHT HIS RIGHT FOOT BETWEEN THE IMPELLAR & BACK WALL OF THE CRUSHER & STRAINED HIS ANKLE.

August 6, 2001 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Aggregates · Struck by... (Not Elsewhere Classified)

WAS GRINDING ON A PIECE OF METAL THAT HAD BEEN CUT WITH A TORCH AND A PIECE OF SLAG OR GRINDINGS FLEW UP AND HIT HIS CHEEK AND WENT UNDER GLASSES AND INTO HIS RIGHT EYE.

August 3, 2001 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Aggregates · Over-exertion in lifting objects

ACCIDENT HAPPEN ON 8-2-01 TIME UNKNOWN. EE CAME TO ME ON 8-3-01 AT 6:00 P.M. STATED HE NEED TO GO AND GET CHECK OUT CAUSE HIS BACK WAS HURTING. I ASKED WHAT HAPPEN. HE STATED HE WAS DOWN INT T HE VSI GETTING A BLOCK OUT OF THE CRUSHER AND HIS BACK STARTED TO HURT. HE FIGURE IT WOULD BE BETTER THE NEXT DAY.

April 17, 2001 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Aggregates · Over-exertion in lifting objects

EE WAS FUSING PLASTIC POLY-PIP TOGETHER AND WAS TRYING TO ALIGN THE 8" PIPE WITH THE FUSING MACHINE. HE BENT OVER AND TRIED LIFTING THE FUSING MACHINE AND PULLED HIS BACK.

2000 · 5 incidents

December 4, 2000 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall from machine

EMPLOYEE WAS CLIMBING UP THE LOADER AND SLEPT DUE TO FROST BUILD UP ON THE LADDER HANDRAIL. HE WAS REACHING FOR THE DOOR LATCH WHEN HIS OTHER HAND SLIPPED OFF THE HANDRAIL.

October 25, 2000 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)

EE AND OTHER AND ANOTHER WAS HORSEPLAYING IN THE SHOP EE WAS RUNNING AROUND HE SHOP TABLE WHEN OTHER GRABBED HIM IN A BEAR HUG AND PICKED HIM UP AND HURT HIS BACK.

October 11, 2000 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall from machine

SPRAINED RIGHT ANKLE STEPPING OFF IT18B.

September 18, 2000 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates · Struck by... (Not Elsewhere Classified)

EE WAS CUTTING BAD CLAMPS OUT OF F-3 CONVEYOR BELT. THE UTILITY KNIFE SLIPPED & CUT HIS FOREAQRM ON THE RIGHT ARM

January 20, 2000 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates · Struck by flying object

WHILE USING A CHIPPING TO TAP A BREAKER BLOCK ON CRUSHER CURTAIN A PIECE OF METAL CHIPPED OFF THE HAMMER AND LODGED IN TO EMPLOYEE'S CHIN.