Mining Incidents

Cooperton Rock Quarry Metal/Non-Metal

Dolese Bros Co · Surface
Controlled by Dolese Brothers Company
Cooperton, Kiowa County, OK  ·  Active
MSHA Mine ID: 3400037

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Fatalities
0
Total incidents
51
Years on record
2002–2025
Latest incident
Jul 2025
Compliance record
MSHA citations since 2000
141
citations
30
significant & substantial
$25,017
proposed penalties
$25,017
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 24,760 0 0 0.0
2025 Q2 22,464 1 0 44.5
2025 Q1 18,062 0 0 0.0
2024 Q4 0 1 1
2024 Q3 0 4 1
2024 Q2 0 3 1
2024 Q1 17,603 0 0 0.0
2023 Q4 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

51 on file

2025 · 3 incidents

July 17, 2025 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)
Dolese Bros Co · Contact with heat

employee was dehydrated while working and started shaking. EE wanted to go to the ER

June 3, 2025 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Dolese Bros Co · Over-exertion (Not Elsewhere Classified)

Tripped on pallet and EE kicked self in the calf

January 27, 2025 OK · Metal/Non-Metal welder (non-shop) HANDTOOLS (NONPOWERED)
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

Employee was slicing conveyor belt and cut their hand with a knife. Stitches

2024 · 1 incident

2023 · 1 incident

August 1, 2023 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver FIRE
Dolese Bros Co · Contact with hot objects or substances

Haul truck overheated and caught on fire, employee received 1st degree burns on several body parts.

2019 · 3 incidents

December 2, 2019 OK · Metal/Non-Metal refuse truck driver, backfill truck driver, stock pile truck driver SLIP OR FALL OF PERSON
Dolese Bros Co · Fall from ladders

Employee was coming down the ladder when a leg gave out and when they caught themselves, they strained their back.

November 15, 2019 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dolese Bros Co · Struck by falling object

Employee dropped a piece of metal on EE's foot. EE waited until 11/17/19 to seek medical attention.

July 13, 2019 OK · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Dolese Bros Co · Caught in, under or between a moving and a stationary object

Employee as shutting the door to the shop and EE's thumb got caught in between the latch and the door, lacerating it.

2016 · 3 incidents

October 31, 2016 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

Employee was opening the shop doors when one of them slipped and cut the palm of hand, stitches required.

August 29, 2016 OK · Metal/Non-Metal welder (non-shop) HANDTOOLS (NONPOWERED)
Dolese Bros Co · Over-exertion in wielding or throwing objects

Employee was swinging a hammer and hurt back. The initial reporting of the injury was employee stood up and took a deep breath and back hurt. This injury was found compensable 9/9/2016.

May 25, 2016 OK · Metal/Non-Metal welder (non-shop) HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

Employee was moving a bucket of flexco and strained back.

2015 · 4 incidents

September 9, 2015 OK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Dolese Bros Co · Struck against a moving object

Employee was operating a loader when he hit a bump, jarred him hard, and hit his elbow on the rollover cage.

July 18, 2015 OK · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Dolese Bros Co · Struck by falling object

Employee was helping another employee when he was holding the bolts on the cutting edge of a bucket. One of the bolts dropped and cut his hand.

April 21, 2015 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Dolese Bros Co · Caught in, under or between a moving and a stationary object

Employee was grinding a piece of angle iron on a bench grinder when the piece slipped into the grinder, taking his right thumb with it. He was wearing all his PPE and guards were in place at the time.

April 8, 2015 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Dolese Bros Co · (Not Elsewhere Classified)

Employee was cleaning off a screen when he stated having shortness of breath and chest pains. An ambulance was called and went to the hospital. It was determined that he had an infection and severe dehydration the stemmed from that infection.

2014 · 2 incidents

October 16, 2014 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Dolese Bros Co · Absorption of radiations, caustics, toxic and noxious substances

Employee stated he was bitten by a bug while he was in the tunnel.

March 19, 2014 OK · Metal/Non-Metal grader operator, roadgrader operator HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

Employeed strained his back while lifting scotch blocks off his truck. First day of restrictions was 4/3/14.

2013 · 3 incidents

September 16, 2013 OK · Metal/Non-Metal mechanic helper HANDTOOLS (NONPOWERED)
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

Employee was hammering in a wedge on the screen when he smashed his thumb with the hammer.

August 20, 2013 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

Employee was cleaning up under the conveyor when he felt a pop in his neck. He tried to continue to work but his fingers started to go numb and he got a headache. First doctors visit required no med treatment and was given no restrictions. Second visit gave restrictions and since he is summer help, it will be lost time.

April 26, 2013 OK · Metal/Non-Metal welder (shop) STEPPING OR KNEELING ON OBJECT
Dolese Bros Co · Rubbed or abraded

Employee was working on the S-1 conveyor to splice it. He had been working on his knees and his knees had been rubbing on the conveyor belt. He received and abrasion and subsequent infection.

2012 · 3 incidents

October 1, 2012 OK · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

Employee thinks that he injured his shoulder on 10/1/12 while trying to dislodge a rock from the head pulley on R-1. He did not seek medical attention until 10/3/12.

May 31, 2012 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Dolese Bros Co · Struck against stationary object

Employee was cleaning the dust rings on the crusher when he cut his finger on the blades in the ring.

March 13, 2012 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Dolese Bros Co · Over-exertion in pulling or pushing objects

Employee was wrenching on a bolt when he felt something pop in his left elbow.

2011 · 3 incidents

July 6, 2011 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver DISORDERS (PHYSICAL AGENTS)
Dolese Bros Co · Contact with heat

He was working on a crusher and got overheated and started getting dizzy.

June 10, 2011 OK · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Dolese Bros Co · Caught in, under or between a moving and a stationary object

Employee was using a hoist/come-a-long to help place a sprocket on a shaft. The hoist became dislodged catching his finger in between the sprocket and the shaft.

February 24, 2011 OK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Dolese Bros Co · Fall to the walkway or working surface

EE was climbing into loader. He was on bottom step of ladder when he turned to talk to someone. He lost his balance and fell off ladder, injuring his left shoulder and ribs.

2010 · 2 incidents

October 14, 2010 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

EE was using a wrench and cheater pipe on a transmission bolt. The wrench slipped and struck him in the face/mouth/teeth.

April 30, 2010 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

EE injured his right shoulder while shoveling in silo. He didn't seek medical attention and begin losing time until 5 May 2010.

2009 · 4 incidents

June 17, 2009 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Dolese Bros Co · Contact with hot objects or substances

Injury used a power washer wand to wash grease off his boots. Water went inside his boot and burned his right ankle.

June 2, 2009 OK · Metal/Non-Metal drill helper MACHINERY
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

EE was washing the mast on the drill. He was walking along the mast washing it when he slipped. His legs slipped out from underneath him and as he fell, he sprayed himself with the power washer, which was equipped with a stripping nozzle. Took a chunk of meat out of his leg.

April 13, 2009 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Dolese Bros Co · Absorption of radiations, caustics, toxic and noxious substances

Injury received a spider bite on his left hand while cleaning trash under the crusher.

February 9, 2009 OK · Metal/Non-Metal welder (shop) ELECTRICAL
Dolese Bros Co · Flash burns (electric)

The 7-foot crusher would not start. Employee took a meter to check the fuses. While he was checking a fuse, one of the other leads got close to another phase, causing a short. The meter was too small for this voltage and burned his hands and face.

2008 · 5 incidents

December 10, 2008 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Dolese Bros Co · Fall down raise, shaft or manway

He was cleaning mud off block at CR-1 conveyor. When piece of chipping hammer broke off and punctured his right hand.

May 28, 2008 OK · Metal/Non-Metal electrician, lineman ELECTRICAL
Dolese Bros Co · Contact with electrical current

Employee was checking fuses in control panel on portable crusher run plant. He leaned against panel door and got right thumb against back of a amp guage, shocking him and leaving two burns on right thumb.

March 29, 2008 OK · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDTOOLS (NONPOWERED)
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

EE was using a come-a-long attached to a welded pad eye. It came loose and struck him in the face. No lost time, 6 stitches were required.

February 21, 2008 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion (Not Elsewhere Classified)

Employee was walking up stairs and twisted his ankle (right ankle sprain).

January 21, 2008 OK · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

Employee was cutting rubber with a knife. The knife slipped and cut his left middle finger. No lost time or light duty but stitches were required.

2007 · 1 incident

February 23, 2007 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dolese Bros Co · Struck by falling object

Employee was adjusting a guard on a conveyor. The guard shifted and smashed his pinky. No lost time or light duty but four stitches were required.

2006 · 4 incidents

July 27, 2006 OK · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dolese Bros Co · Caught in, under or between (Not Elsewhere Classified)

EE was working with other employees to put the crusher back together. He got three fingers caught under the thrust washer. Finger contusion

March 10, 2006 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dolese Bros Co · Struck by falling object

Employee was working with another employee to load a 55-gallon oil drum in a pickup truck bed. They decided it was too heavy and were trying to set it back down when the other employee's hand slipped off the drum. The drum cut the first employee's left index finger. Eight stitches were required.

February 23, 2006 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Dolese Bros Co · Caught in, under or between a moving and a stationary object

Employee was working on the rear brakes of a welding pickup truck. When he lowered the jack, the pickup truck ran over his ankle. His ankle was bruised.

January 3, 2006 OK · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion in lifting objects

Employee suffered a hernia while changing screens on the #4 8x20.

2005 · 2 incidents

August 11, 2005 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dolese Bros Co · Struck against stationary object

Employee was installing a hub on a loader and cut his hand. There was no lost time and no restricted duty but there were twelve stitches.

February 22, 2005 OK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion (Not Elsewhere Classified)

Employee states he dislocated a rib climbing into his Caterpillar 980F loader.

2004 · 3 incidents

August 4, 2004 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Dolese Bros Co · Fall from machine

Truck driver assigned to Weatherford Batch Plant was at quarry for a load of rock. He drove up to the wet down rack so he could push the rock down & wet it before leaving. When he entered the trailer from the wet down rack, he lost his balance & fell out of the trailer. He is still losing time with fractured two ribs & bruised head, back & leg.

June 23, 2004 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

Employee was welding on a loader bucket. A chain hoist was attached to the bucket. The nylon strap broke and the chain host swung down and struck employee's left hip. His hip was bruised. Injured is losing time.

February 4, 2004 OK · Metal/Non-Metal NO VALUE FOUND
Dolese Bros Co · No Value Found

Employee was drilling holes in a piece of metal. He was wearing gloves and the drill caught the glove and pulled his hand. His left wrist was strained. He missed one day of work and is working restricted duty.

2003 · 1 incident

September 16, 2003 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dolese Bros Co · Over-exertion (Not Elsewhere Classified)

EE WAS CHANGING SCREENS AT THE CHIP PLANT. HE TWISTED HIS BACK WHILE CRAWLING OUT OF AN AWKWARD POSITION.

2002 · 3 incidents

October 30, 2002 OK · Metal/Non-Metal welder (shop) MACHINERY
Dolese Bros Co · Struck by... (Not Elsewhere Classified)

EE WAS SPLICING A CONVEYOR BELT. WHILE TAKING THE METAL CLAMPS OFF, THE IMPACT WRENCH STRUCK EE IN THE CHIN. NO LOST OR RESTRICTED DUTY BUT STITCHES WERE REQUIRED.

September 6, 2002 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dolese Bros Co · Struck by flying object

EE WAS ON A UNILOADER CLEANING THE CHIP PLANT. SOMETHING GOT INTO HIS EYE, EVEN THROUGH HE WAS WEARING SAFETY GLASSES.

January 10, 2002 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dolese Bros Co · Caught in, under or between (Not Elsewhere Classified)

EE WAS REPLACING THE CHAIN ON THE CR2 & SMASHED HIS THUMB BETWEEN THE CHAIN & A GEAR.