Mining Incidents

63 Quarry Metal/Non-Metal

Jefferson, Mo, Boone County, MO  ·  Active
MSHA Mine ID: 2301566

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Fatalities
0
Total incidents
17
Years on record
2000–2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2001
59
citations
9
significant & substantial
$7,594
proposed penalties
$7,394
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 9,788 2 1 204.3
2025 Q3 3,104 0 0 0.0
2025 Q2 9,798 2 0 204.1
2025 Q1 10,072 0 0 0.0
2024 Q4 3,301 2 0 605.9
2024 Q3 2,713 0 0 0.0
2024 Q2 2,865 1 0 349.0
2024 Q1 4,842 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

17 on file

2026 · 2 incidents

April 23, 2026 MO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor MACHINERY
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

Employee was in the process of removing the cutting edge bolts from the bottom of a John Deere 324G skid steer, with leather Tillman gloves using a Milwaukee half inch impact. While removing the second bolt it spun, and caused a burr on the bolt to cut EE's ring and middle fingers on the bottom of EE's right hand. Employee was taken to clinic and received 14 stitches.

January 9, 2026 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Capital Quarries Co Inc · Over-exertion (Not Elsewhere Classified)

Employee was helping with maintenance on the Norberg cone crusher. EE went to climb down the step ladder, the ladder shifted while still holding onto the cone with EE's left hand. Employee felt a pop in EE's shoulder. Employee had surgery on 02/19/2026 and was given restrictions making this reportable.

2025 · 1 incident

July 31, 2025 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

Employee was using carpenters knife to cut grease line when the knife slipped off the hose and cut left thumb knuckle. Did not require stitches, was placed in a splint to immobilize due to the location of laceration.

2024 · 2 incidents

August 17, 2024 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Capital Quarries Co Inc · Fall onto or against objects

Employee was adjusting the mirror on the dump truck when the employee's foot slipped off the step and EE struck right elbow on the storage box attached to the inside door panel. Incident became reportable on 9/10/2024 when EE went to the doctor and was issued prescription medications.

April 4, 2024 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Capital Quarries Co Inc · Struck by flying object

Employee was using a wire wheel on a rusted piece of metal when employee felt something go into eye, underneath safety glasses. Employee flushed eye but still felt something in there. Went to clinic, where they removed a piece of metal and issued prescription antibiotics.

2021 · 2 incidents

September 28, 2021 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

Employee was cutting flashing from under a rock box with a folding carpenters knife and the knife folded on employee and cut palm

April 5, 2021 MO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor OTHER
Capital Quarries Co Inc · Bodily reaction, (Not Elsewhere Classified)

Employee got into dump truck to check fire extinguisher and stepped out of truck back on ground and felt lower back pinch. About 30 min. later EE shoveled off some build up on a screening unit and felt back get worse.

2017 · 1 incident

August 25, 2017 MO · Metal/Non-Metal groundman, yardman HANDLING OF MATERIALS
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

The employee was placing a new section of culvert pipe on a existing culvert pipe. While placing the new sleeve the edge of the new pipe cut the employee on tip of the hand on knuckles.

2015 · 1 incident

March 30, 2015 MO · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Capital Quarries Co Inc · Over-exertion (Not Elsewhere Classified)

The employee was climbing down a ladder when he got to the bottom and turned he felt a pop in his knee. Took him to the doctor and they thought he sprained it. After awhile it did not get better so we had a MRI down which concluded he had a tear in the meniscus on 6/10/15 which will required surgery.

2009 · 3 incidents

October 6, 2009 MO · Metal/Non-Metal shopman repair cars, mechanic MACHINERY
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

EE had driven wedges between bucket and cutting edge while torching off bolts. The cutting edge sprang forward and caught the ee in the knee. This caused bruising and swelling in his knee later that evening.

June 3, 2009 MO · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

Employee was holding a cylinder with his left hand. While trying to set it in place, cylinder hung up and became dislodged. This caused the cut to his hand. The cut to his hand required 6 stitches.

February 12, 2009 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Capital Quarries Co Inc · (Not Elsewhere Classified)

Employee stated that on the day of the hearing test he had a head cold which may have affected the results. He has been wearing proper hearing protection at work & does not believe he has been over-exposed at work.

2005 · 1 incident

May 10, 2005 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)
Capital Quarries Co Inc · Contact with heat

HEAT EXHAUSTION - EE GOT DIZZY.

2004 · 2 incidents

November 29, 2004 MO · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Capital Quarries Co Inc · Over-exertion (Not Elsewhere Classified)

USING A LADDER TO PUT A BOLT IN AN IMPACTOR II, EMPLOYEE STRAINED HIS BACK.

September 27, 2004 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Capital Quarries Co Inc · Struck by... (Not Elsewhere Classified)

Was cutting crown bar rubber for an screen deck and slipped and cut top of 2 fingers.

2001 · 1 incident

July 30, 2001 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Capital Quarries Co Inc · Over-exertion in lifting objects

EMPLOYEE ALLEGES HE WAS HOOKING WELDER TO PICK UP. BENT DOWN TO LIFT UP HITCH AND FELT SHARP PAIN IN LOWER BACK.

2000 · 1 incident

December 18, 2000 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Capital Quarries Co Inc · Fall to the walkway or working surface

EMPLOYEE WAS WALKING ACROSS ICE COVERED PIT FLOOR AND SLIPPED ON THE ICE.