Mining Incidents

Magruder Limestone-Troy Quarry Metal/Non-Metal

Controlled by Mark Magruder
Troy, Lincoln County, MO  ·  Active
MSHA Mine ID: 2300226

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Fatalities
0
Total incidents
36
Years on record
2000–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2000
164
citations
26
significant & substantial
$24,302
proposed penalties
$23,494
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 15,296 2 0 130.8
2025 Q3 14,456 0 0 0.0
2025 Q2 13,669 2 0 146.3
2025 Q1 10,013 2 0 199.7
2024 Q4 13,843 0 0 0.0
2024 Q3 12,866 0 0 0.0
2024 Q2 12,711 2 0 157.3
2024 Q1 13,012 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

36 on file

2026 · 3 incidents

February 10, 2026 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Magruder Limestone Co Inc · Caught in, under or between running or meshing objects

EE was holding temporary metal plate while another EE was using a 4 inch grinder with cutoff wheel to remove tack welds. The grinder kicked out and cut injured EE's finger (right pinky).

February 3, 2026 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Struck by flying object

Using hammer to remove ball bearing from shaft, a small piece of metal (less than 3mm) went into skin in neck area

January 30, 2026 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Magruder Limestone Co Inc · (Not Elsewhere Classified)

Alleged possible UOIF - reportable hearing loss

2025 · 2 incidents

May 5, 2025 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Employee was involved in NWEM Training and being tasked training an operation of a haul truck. EE was riding along with another employee. They stopped and pited the truck. When employee was climbing down from the the haul truck EE reports that EE missed the last step and rolled EE's ankle.

April 25, 2025 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator DISORDERS (REPEATED TRAUMA)
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Employee is reporting bi-lateral carpal tunnel to wrist/hands from operating a Cat 992D pit loader. Employee is also complaining about shoulders hurting.

2024 · 2 incidents

November 1, 2024 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Fall from machine

Climbing down from conveyor lost footing and fell about 2 feet onto catwalk landing on metal object.

May 31, 2024 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Over-exertion in pulling or pushing objects

EE reported EE was tightening a hydraulic hose with a wrench. While pushing on the wrench something popped in EE's elbow.

2023 · 1 incident

June 9, 2023 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Fall onto or against objects

As the employee was climbing out of a bin the employee's foot slipped and employee's arm got caught on an old bolt causing a puncture wound and trauma to the arm.

2021 · 1 incident

October 8, 2021 MO · Metal/Non-Metal welder (non-shop) HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Over-exertion in wielding or throwing objects

Employee reported they were swinging a large sledge hammer while installing the gabion plate back in the grizzly. In order to do that they had to swing a large (heavy) sledge hammer to beat rocks out. *Employee did not report injury until 11/29/2021*

2020 · 1 incident

August 7, 2020 MO · Metal/Non-Metal backhoe operator, trackhoe operator HANDLING OF MATERIALS
Magruder Limestone Co Inc · Struck by falling object

While installing pin for a hydraulic cylinder on a track hoe, the pin fell onto injured employee striking EE in the back.

2019 · 1 incident

September 17, 2019 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Magruder Limestone Co Inc · Struck against a moving object

Operating haul truck at asphalt plant hit upper arm/shoulder against door.

2018 · 2 incidents

March 14, 2018 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Magruder Limestone Co Inc · Over-exertion in pulling or pushing objects

While working on a rock drill, employee used the upper arm, backside to push hoses up and away to move a bracket. Shoulder popped.

January 30, 2018 MO · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Employee was carrying ANFO bags from the truck to the shot, about 30 feet away from each other. As EE walked up a slight incline to the shot, EE felt a very painful pop in right calf muscle and EE immediately went to the ground. After sitting on the ground for a few minutes, employee got up to see if EE could walk and couldn't bare much pressure on the right leg without pain

2017 · 1 incident

May 3, 2017 MO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor DISORDERS (REPEATED TRAUMA)
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Injured employee reports that they have bi-lateral carpal tunnel syndrome caused by 36 years of working at Magruder Limestone performing general labor, equipment operation, and various job activities. IE reports these include turning wrenches, hammering, changing screens, operating equipment, welding, shoveling, picking, jack hammer.

2016 · 2 incidents

December 13, 2016 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Magruder Limestone Co Inc · Over-exertion in lifting objects

Raising hood on road dump truck and strained groin area.

2015 · 1 incident

August 13, 2015 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Over-exertion in pulling or pushing objects

Removing tire from rim strained right bicep.

2014 · 1 incident

November 5, 2014 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Struck by... (Not Elsewhere Classified)

Shop employee had heated a loader bucket tooth to remove, struck tooth with hammer resulting in a hot piece of steel entering finger.

2012 · 2 incidents

June 14, 2012 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Fall from ladders

While working from a ladder the ee was using a hammer to open the door at the bottom of a bin. As ee swung the hammer it caught an electric power cord which threw him off balance and he fell off the ladder.

March 19, 2012 MO · Metal/Non-Metal superintendent HANDLING OF MATERIALS
Magruder Limestone Co Inc · Struck by falling object

Installing new training idler on the conveyor, the idler slipped down the frame of the conveyor a few inches and struck employee in the elbow.

2011 · 3 incidents

July 6, 2011 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Employee was climbing/stepping down from his position on a Volvo haul truck, employee's foot slipped, his leg twisted around as he caught himself and he strained/sprained a muscle in his groin area.

April 7, 2011 MO · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

The employee was carrying bags of anfo loading a shot, the employee stepped on uneven ground, lost his balance and twisted his back.

March 23, 2011 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Over-exertion (Not Elsewhere Classified)

Employee was loading a stockpile truck, employee stepped on a fixed mounting bolt, this caused the employee to be off balance and step down onto an uneven surface, employee rolled and twisted his ankle.

2010 · 1 incident

April 26, 2010 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Magruder Limestone Co Inc · Struck by... (Not Elsewhere Classified)

Employee was tightening a nut with an impact wrench using a wobble socket. The socket failed and a piece of it cut the employees thumb and palm on his left hand.

2009 · 1 incident

March 6, 2009 MO · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDLING OF MATERIALS
Magruder Limestone Co Inc · Over-exertion in lifting objects

Employee was restacking deck boards on low boy trailer and ruptured his bicep tendon.

2006 · 1 incident

February 14, 2006 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Fall from machine

While climbing the truck ladder to truck cab the employee missed the top rung and fell to the ground. He landed on the ground on his feet but fell backwards and hit his head on the concrete pad he was parked on. He cut his scalp requiring 4 stitches to close wound. He returned to work the same day.

2005 · 2 incidents

July 8, 2005 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Magruder Limestone Co Inc · Struck by falling object

Engine hood of 900 Komatsu loader fell on employees head.

March 14, 2005 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Magruder Limestone Co Inc · Struck by... (Not Elsewhere Classified)

EE was holding chisel while coworker was hitting it with a sledge hammer. Coworker missed and hit EE's finger, resulting in a chipped bone at the end of EE's finger. This accident was reported to me on 03-18-05.

2004 · 3 incidents

June 5, 2004 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Magruder Limestone Co Inc · Fall from machine

employee was preparing to get off of conveyor after splicing belt and fell about 15 feet to the ground. Employee landed on the side of his leg bruising his knee.

March 11, 2004 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STRIKING OR BUMPING
Magruder Limestone Co Inc · Struck against stationary object

Employee was walking around his haul truck and walked into the rear tailgate, hitting his head.

January 27, 2004 MO · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator POWERED HAULAGE
Magruder Limestone Co Inc · Struck against a moving object

EE WAS DRIVING THE 966 LOADER DOWN THE HAUL ROADAND IT RAN OUT OF FUEL. HE THEN LOST CONTROL DUE TO THE HYDRAULIC STEERING NOT WORKING. THE LOADER RAN INTO THE ROCK IN THE WASTE PILE AND TURNE D OVER ON ITS SIDE. EE WAS WEARING SEAT BELT AND SUSTAINED A FEW CUTS TO HIS SCALP AND BRUISES. HE RECEIVED 31 STITCHES AND SENT HOME.

2002 · 2 incidents

September 9, 2002 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Magruder Limestone Co Inc · Caught in, under or between two or more moving objects

MASHED FINGER BETWEEN TIRE AND SPINDLES WHILE CHANGING TIRE ON DUMP TRUCK.

June 17, 2002 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
Magruder Limestone Co Inc · Struck against stationary object

EMPLOYEE WALKED INTO STEEL PART OF BREAKER, HIT HIS CHEEK JUST UNDER LEFT EYE, BROKE HIS CHEEK BONE, DOCTOR DECIDED TO PUT A STEEL PLATE ON BONE TO INSURE HEALING, WAS OUT 1 DAY FOR OUTPATIENT SURGERY AND PART OF 2 OTHER DAYS FOR DOCTOR APPOINTMENTS.

2000 · 3 incidents