Mining Incidents

STEWART STONE MITCHELL Metal/Non-Metal

Cornejo & Sons LLC · Surface
Controlled by Summit Materials LLC
Pawnee, Pawnee County, OK  ·  Active
MSHA Mine ID: 3401400

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Fatalities
0
Total incidents
21
Years on record
2000–2020
Latest incident
Jul 2020
Compliance record
MSHA citations since 2001
148
citations
46
significant & substantial
$82,468
proposed penalties
$81,853
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 Q3 15,307 0 0 0.0
2025 Q2 15,409 7 1 454.3
2025 Q1 13,788 0 0 0.0
2024 Q4 20,563 19 7 924.0
2024 Q3 17,982 3 0 166.8
2024 Q2 17,413 0 0 0.0
2024 Q1 14,988 6 1 400.3
2023 Q4 16,283 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

21 on file

2020 · 2 incidents

July 17, 2020 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Stewart Stone, Inc. · Struck by flying object

Another EE was swinging a sledgehammer at an impactor. When it hit the impactor a piece broke flew off hitting IE across the stomach causing a deep cut. The piece was inside the cut.

March 24, 2020 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Fall onto or against objects

While working at crusher, slipped in mud, hit head causing seizures.

2019 · 1 incident

September 11, 2019 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Stewart Stone, Inc. · Over-exertion (Not Elsewhere Classified)

Digging/cleaning under screen. Hurt back.

2016 · 2 incidents

July 27, 2016 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Fall to the walkway or working surface

UNLOADING ROLLERS FROM BACK OF PICK-UP WHEN EE STEP BACK TRIPPING/FALLING OF A BOX ON THE GROUND

March 23, 2016 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Fall to the walkway or working surface

Stepped in oil, slipped & came down on right knee.

2015 · 1 incident

August 18, 2015 OK · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDLING OF MATERIALS
Stewart Stone, Inc. · Over-exertion in lifting objects

Lifting cattle panels and strained lower back.

2006 · 2 incidents

January 17, 2006 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Stewart Stone, Inc. · Over-exertion (Not Elsewhere Classified)

Cleaning dirt and rock out of back of a haul truck using a pick to clean the bed out. He hit the bed of the truck jarring his hands

January 12, 2006 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Stewart Stone, Inc. · Caught in, under or between a moving and a stationary object

Two employees were loading rail road ties in a truck, one pushed his end into the truck then pushed down making the tie fall on the other's finger. He smashed his finger between the railroad tie and the bed of the truck.

2005 · 2 incidents

April 29, 2005 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Fall from machine

Employee was on top of the Crusher removing bearing caps when the cuff on his pant leg caught on something causing him to lose his balance and fell hitting his tail bone.

January 21, 2005 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Stewart Stone, Inc. · Struck by falling object

THE MEN WERE CHANGING THE BELTS ON THE MOTOR DRIVE FOR THE FEEDER. THEY HAD TO LIFT THE MOTOR UP WHEN THE MOTOR WAS LIFTED THE LIFTING EYE BROKE AND THE MOTOR FELL STRIKING EMPLOYEE'S LEFT HAND. HE WAS TAKEN TO THE EMERGENCY ROOM WITH ONE BROKEN BONE AND A BIG GASH ACROSS THE LEFT HAND.

2004 · 3 incidents

October 26, 2004 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Stewart Stone, Inc. · Caught in, under or between (Not Elsewhere Classified)

Carrying piece of iron in, old boom arms of old loader, beginning to stand up piece of iron to cut metal out when cylinder pin slipped back in to place, his fingers were in hole and it caught them. Broke middle finger and crushed both ring and middle finger and stitches in middle finger.

September 15, 2004 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Fall from machine

Twisted ankle and fell off haul truck, landing on left foot.

January 22, 2004 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Stewart Stone, Inc. · Over-exertion in lifting objects

EE PUT 2 DD BATTERIES IN THE DRESSER HAUL TRUCK & TOOK 2 DD BATTERIES OUT. THESE BATTERIES WEIGH 132 LBS EACH

2003 · 2 incidents

September 24, 2003 OK · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Over-exertion (Not Elsewhere Classified)

EE WAS WALKING ACROSS THE YARD WHEN HE TWISTED HIS RIGHT ANKLE AND THEN HIS RIGHT KNEE TWISTED.

August 25, 2003 OK · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Stewart Stone, Inc. · Over-exertion in lifting objects

EE WAS DIGGING OUT THE CRUSHER. HE PICKED UP A BIG ROCK AND PULLED HIS LOWER BACK.

2002 · 4 incidents

August 7, 2002 OK · Metal/Non-Metal truck driver POWERED HAULAGE
Stewart Stone, Inc. · Struck against a moving object

EE WAS BEING LOADED BY THE 988F PIT LOADER. THE PIT LOADER OPERATOR RAISED HIS BUCKET TO LOAD THE TRUCK, BUT HIS BUCKET WAS NOT HIGH ENOUGH. THE BUCKET HIT THE SIDE OF EE'S HAUL TRUCK JARRING EE AROUND INSIDE OF HIS CAB.

July 24, 2002 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Stewart Stone, Inc. · Over-exertion (Not Elsewhere Classified)

SLIPPED GETTING OFF D9 DOZER, GRABBED TO HANG ON & BENT RING FINGER & PINKIE FINGER BACKWARDS, BREAKING BOTH FINGERS.

April 11, 2002 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Stewart Stone, Inc. · Absorption of radiations, caustics, toxic and noxious substances

EE WAS PULLING DOWN AND REBUILDING FENCE. FOUND A TICK ON HIM, PULLED IT OFF, WAS HOSPITALIZED WITH TICK FEVER A WEEK LATER.

2001 · 1 incident

March 12, 2001 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Stewart Stone, Inc. · Over-exertion (Not Elsewhere Classified)

HE WAS SITTING ON HIS KNEES UNDER THE HAUL TRUCK. WHEN HE GOT FROM UNDER THE TRUCK AND TRIED TO STAND UP HIS RIGHT KNEE WOULD NOT STRAIGHTEN.

2000 · 1 incident

February 7, 2000 OK · Metal/Non-Metal welder (shop) MACHINERY
Stewart Stone, Inc. · Struck by falling object

CUTTING BOTTOM OUT OF TANK TO LOAD-ON TRAILER. WHEN EE CUT THE LAST PART OF THE TANK. THE BOTTOM FELL AND PINNED HIS PINKIE AGAINST THE SIDE OF THE TANK, CRUSHING HIS PINKIE ON HIS LEFT HAND.