Mining Incidents

ANTONIA (CS56) Metal/Non-Metal

Controlled by Riverstone Group
Antonia, Jefferson County, MO  ·  Active
MSHA Mine ID: 2301957

Watch this mine

Email me when a new MSHA incident is filed at ANTONIA (CS56).

Fatalities
0
Total incidents
11
Years on record
2003–2023
Latest incident
Mar 2023
Compliance record
MSHA citations since 2000
56
citations
5
significant & substantial
$6,431
proposed penalties
$6,224
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 5,351 0 0 0.0
2025 Q3 1,673 0 0 0.0
2025 Q2 6,346 1 0 157.6
2025 Q1 585 1 0 1709.4
2024 Q4 5,460 0 0 0.0
2024 Q3 5,924 0 0 0.0
2024 Q2 1,270 1 0 787.4
2024 Q1 5,524 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

11 on file

2023 · 1 incident

March 15, 2023 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Central Stone Company · Caught in, under or between a moving and a stationary object

Employee alleges EE was removing a belt from the primary crusher and EE smashed EE's left thumb. EE has to wear a splint while working.

2022 · 1 incident

January 24, 2022 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Central Stone Company · Over-exertion in lifting objects

Employee alleges was lifting a hydraulic pump and felt pain in employee's back.

2020 · 1 incident

September 3, 2020 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Central Stone Company · Fall onto or against objects

Employee alleges they slipped on some concrete block and they went to grab a piece of metal and they cut the palm of right hand. EE had to get 9 stitches.

2013 · 1 incident

April 11, 2013 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STEPPING OR KNEELING ON OBJECT
Central Stone Company · Struck against stationary object

Employee alleges he was clearing rock from skirting and he went to see if the tail pulley was cleared and as he took a step back his knee went out.

2011 · 1 incident

August 17, 2011 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Central Stone Company · Struck against stationary object

Employee alleges he was taking apart a piece of equipment and a metal side fell and hit the basket on the man lift. The man lift jerked and caused him to hit his face on the handrail and caused a fracture to his face.

2010 · 1 incident

August 16, 2010 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Central Stone Company · Struck by flying object

Employee alleges he was loading a haul truck and the wind blew something in his left eye. He received medical treatment to his eye.

2008 · 1 incident

March 19, 2008 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Central Stone Company · Flash burns (welding)

Employee alleges he and another co-worker were welding at the same time. The next morning eyes were burning and he couldn't open them.

2005 · 1 incident

October 10, 2005 MO · Metal/Non-Metal drill operator MACHINERY
Central Stone Company · Fall from machine

Employee alleges he was drilling a hole, the drill slid down and he rolled out of the cab onto his back.

2004 · 2 incidents

March 12, 2004 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Central Stone Company · Struck by... (Not Elsewhere Classified)

Employee alleges he was cutting a belt guard with a razor knife and it slipped and cut his wrist. He received stitches

2003 · 1 incident

March 8, 2003 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Central Stone Company · Over-exertion in lifting objects

EE ALLEGES HE WAS KNEELING TO PICK UP A WRENCH & HE FELT A POP IN HIS RT. KNEE.