Mining Incidents

Pryor Stone #2 Metal/Non-Metal

Pryor Stone Inc · Surface
Pryor, Mayes County, OK  ·  Active
MSHA Mine ID: 3400530

Pryor Stone #2 has $223K in proposed MSHA penalties and $4K outstanding across 15 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
33
Years on record
1987–2025
Latest incident
Nov 2025
Compliance record
MSHA citations since 2000
359
citations
108
significant & substantial
$222,697
proposed penalties
$183,615
paid to date
82% of proposed penalties paid to date, a $39,082 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
85
inspections on record
1,471
inspection hours
24.4
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
359 citations across 1,471 inspection hours.
Source: MSHA inspections data, updated weekly.

Pryor Stone #2 has $223K in proposed MSHA penalties and $4K outstanding across 15 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$223K
proposed penalties
$187K
current assessed
$184K
paid to date
$4K
outstanding
348 assessments are final orders; 15 contested dockets.
As of the most recent assessment on 2026-04-16.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 21,285 6 1 281.9
2025 Q3 21,175 0 0 0.0
2025 Q2 18,571 8 3 430.8
2025 Q1 20,996 4 0 190.5
2024 Q4 19,347 0 0 0.0
2024 Q3 20,187 1 0 49.5
2024 Q2 18,947 0 0 0.0
2024 Q1 17,480 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 17,174 1 0 58.2
2023 Q3 17,791 4 0 224.8
2023 Q2 19,782 0 0 0.0
2023 Q1 15,851 10 3 630.9
2022 Q4 16,753 0 0 0.0
2022 Q3 20,725 1 0 48.3
2022 Q2 17,711 9 3 508.2
2022 Q1 14,065 0 0 0.0
2021 Q4 19,735 4 2 202.7
2021 Q3 18,788 3 0 159.7
2021 Q2 18,864 0 0 0.0
2021 Q1 15,932 4 2 251.1
2020 Q4 22,987 0 0 0.0
2020 Q3 20,688 0 0 0.0
2020 Q2 23,065 4 0 173.4
2020 Q1 19,940 4 1 200.6
2019 Q4 21,035 0 0 0.0
2019 Q3 18,789 3 0 159.7
2019 Q2 20,414 0 0 0.0
2019 Q1 18,830 0 0 0.0
2018 Q4 19,059 3 0 157.4
2018 Q3 17,795 4 1 224.8
2018 Q2 18,247 0 0 0.0
2018 Q1 19,268 6 1 311.4
2017 Q4 24,769 0 0 0.0
2017 Q3 26,288 15 2 570.6
2017 Q2 27,457 0 0 0.0
2017 Q1 29,441 5 0 169.8
2016 Q4 22,890 0 0 0.0
2016 Q3 27,241 5 0 183.5
2016 Q2 22,148 0 0 0.0
2016 Q1 20,909 17 1 813.0
2015 Q4 21,708 0 0 0.0
2015 Q3 21,602 0 0 0.0
2015 Q2 19,969 4 0 200.3
2015 Q1 20,254 0 0 0.0
2014 Q4 20,824 3 1 144.1
2014 Q3 23,613 2 0 84.7
2014 Q2 33,059 2 0 60.5
2014 Q1 31,511 7 2 222.1
2013 Q4 27,119 2 2 73.7
2013 Q3 31,034 0 0 0.0
2013 Q2 29,301 7 4 238.9
2013 Q1 28,120 0 0 0.0
2012 Q4 25,478 6 4 235.5
2012 Q3 24,344 9 3 369.7
2012 Q2 22,470 0 0 0.0
2012 Q1 18,092 5 2 276.4
2011 Q4 21,501 0 0 0.0
2011 Q3 22,435 0 0 0.0
2011 Q2 21,852 7 3 320.3
2011 Q1 19,996 8 5 400.1
2010 Q4 22,033 0 0 0.0
2010 Q3 14,315 0 0 0.0
2010 Q2 22,704 2 1 88.1
2010 Q1 18,401 3 0 163.0
2009 Q4 15,771 0 0 0.0
2009 Q3 16,492 0 0 0.0
2009 Q2 14,397 10 3 694.6
2009 Q1 14,992 0 0 0.0
2008 Q4 16,420 5 2 304.5
2008 Q3 15,289 0 0 0.0
2008 Q2 15,569 1 0 64.2
2008 Q1 16,464 12 0 728.9
2007 Q4 19,967 0 0 0.0
2007 Q3 19,815 0 0 0.0
2007 Q2 18,681 14 10 749.4
2007 Q1 16,389 0 0 0.0
2006 Q4 16,539 19 9 1148.8
2006 Q3 16,159 0 0 0.0
2006 Q2 13,902 6 2 431.6
2006 Q1 13,164 0 0 0.0
2005 Q4 16,719 11 1 657.9
2005 Q3 16,904 12 3 709.9
2005 Q2 12,713 0 0 0.0
2005 Q1 13,549 12 10 885.7
2004 Q4 13,842 0 0 0.0
2004 Q3 11,760 0 0 0.0
2004 Q2 10,439 0 0 0.0
2004 Q1 6,039 3 1 496.8
2003 Q4 8,365 0 0 0.0
2003 Q3 9,818 4 1 407.4
2003 Q2 9,528 0 0 0.0
2003 Q1 12,686 7 3 551.8
2002 Q4 9,235 0 0 0.0
2002 Q3 9,340 0 0 0.0
2002 Q2 9,304 5 1 537.4
2002 Q1 9,609 9 6 936.6
2001 Q4 11,712 0 0 0.0
2001 Q3 15,921 2 0 125.6
2001 Q2 15,640 10 3 639.4
2001 Q1 12,320 0 0 0.0
2000 Q4 10,142 0 0 0.0
2000 Q3 16,870 0 0 0.0
2000 Q2 9,847 12 3 1218.6
2000 Q1 10,269 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

33 on file

2025 · 1 incident

November 19, 2025 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Pryor Stone Inc · Over-exertion (Not Elsewhere Classified)

Employee was climbing up ladder on haul truck.

2024 · 1 incident

March 4, 2024 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STRIKING OR BUMPING
Pryor Stone Inc · Struck against stationary object

Swinging ladder step.

2020 · 1 incident

June 30, 2020 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by flying object

The Employee was trying to remove a loader tooth for a bucket, when the employee used a hammer to hit the tooth a piece of the tooth broke off and flew into the employee's leg.

2019 · 1 incident

September 9, 2019 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Pryor Stone Inc · Fall from machine

No lost time under medical diagnosis until 11-13-2019, for possible rotator cuff injury.

2016 · 2 incidents

October 6, 2016 OK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Pryor Stone Inc · Caught in, under or between (Not Elsewhere Classified)

The employee was helping change a screen when EE smashed a finger between the old screen being removed and the handrail. The employee received stitches in the middle finger of left hand.

February 12, 2016 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by... (Not Elsewhere Classified)

Employee was helping pull a conveyor belt on when the rope broke, hitting EE on the right side of the face. Diagnostic only thru 2/15. Released for light duty on 2/18/2016.

2013 · 2 incidents

September 26, 2013 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Pryor Stone Inc · Over-exertion (Not Elsewhere Classified)

The claimed injury was not reported to the company until 12/23/2013. The injury was a result of horseplay involving individuals' physical contact (punching, shoving, and lifting off the ground). The activity was not work related and resulted in a lower back strain (?) to an employee that previously has had back surgery.

July 3, 2013 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pryor Stone Inc · Struck by falling object

While working on a Cat 773B Haul truck, someone bumped a 50 ton jack that was not under a load. The jack fell over striking the injured's hand and broke two fingers.

2012 · 1 incident

August 23, 2012 OK · Metal/Non-Metal driller, highwall operator, highwall drill operator HANDLING OF MATERIALS
Pryor Stone Inc · Caught in, under or between a moving and a stationary object

While servicing a water pump on a highway drill, a faulty hydraulic motor engaged while the driller was inspecting the belts and pulleys. His three fingers (index, middle and ring) were trapped between the belt and pulley severing the tips to the first knuckle.

2010 · 1 incident

December 9, 2010 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pryor Stone Inc · Caught in, under or between a moving and a stationary object

While cleaning out the Hazmag Crusher, the injured threw a rock out and caught his finger between the crusher side and the rock, mashing his finger requiring stitches to close.

2009 · 1 incident

October 14, 2009 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Pryor Stone Inc · Fall from machine

While dismounting from a Bobcat during rain and muddy conditions, the EE's foot slipped causing him to fall trapping his leg and injuring his right knee. He has continued to work on light duty "Restricted Work Activity" and will be operated on 01/27/10.

2007 · 1 incident

March 10, 2007 OK · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Pryor Stone Inc · Caught in, under or between (Not Elsewhere Classified)

Left hand - tips of digit 3 & 4 caught in conveyor belt.

2005 · 1 incident

March 24, 2005 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Pryor Stone Inc · Caught in, under or between running or meshing objects

While performing maintenance on the "chips" conveyor, the injured manually advanced the belt & it rolled backward catching the tip of his little finger causing it to be cut requiring stitches & medications.

2002 · 2 incidents

November 12, 2002 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by flying object

PLANT OPERATOR WAS CHIPPING ON A HAMMER ON THE SPOKANE CRUSHER. WHEN EE APPROACHED AREA IN HIS PICK UP TRUCK TO DELIVER BOLTS. SOMETHING FLEW INSIDE CAB STRIKING HIS IN EYE. THOUGHT HE HAD REM OVED OBJECT, HOWEVER, PAIN INCREASED AND LATER SOUGHT MEDICAL TREATMENT FOR EYE INJURY.

October 14, 2002 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Fall to the walkway or working surface

EE TIGHTENING BOLT ON ROCK CRUSHER. THE WRENCH SLIPPED OFF AND HE FELL BACKWARDS HITTING HANDRAIL. HE CONTINUED FALLING BACKWARDS AND CAUGHT FULL WEIGHT OF BODY ON LEFT WRIST EXTENDED BEHIND H IMSELF TO BREAK FALL ONTO WALKWAY.

2001 · 3 incidents

October 16, 2001 OK · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
Pryor Stone Inc · Caught in, under or between a moving and a stationary object

EE LIFTING A HEAD OFF OF A 3412 ENGINE WITH ON ELECTRIC CHAIN HOIST AND CHAIN. HEAD WAS NOT BALANCED AND THE CHAIN SLIPPED PINCHING THE EE HIT HAND BETWEEN THE CHAIN AND THE HOOK ON THE ELECTR IC HOIST.

August 20, 2001 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by flying object

WHILE STRIKING A TRACK RAIL WITH A HAMMER, A PIECE OF THE RAIL CHIPPED OFF AND STRUCK LEFT HAND CUTTING NEAR THUMB.

June 5, 2001 OK · Metal/Non-Metal truck driver POWERED HAULAGE
Pryor Stone Inc · Struck by... (Not Elsewhere Classified)

EE STUCK FINGER INTO A.C. FAN CAUSING CUTS REQUIRING STITCHES TO MIDDLE FINGER OF RIGHT HAND. TRUCK HAD JUST FINISHED INSPECTION BY MSHA NO LESSTHAN 30 MIN. PRIOR TO ACCIDENT.

2000 · 2 incidents

September 30, 2000 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pryor Stone Inc · Struck by... (Not Elsewhere Classified)

TAKING HAMMERS OUT OF CRUSHER. PIN CUT THUMB

February 3, 2000 OK · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler OTHER
Pryor Stone Inc · (Not Elsewhere Classified)

EE COMPLAINED OF SEVERE CHEST PAINS, WAS TRANSPORTED BY EE TO LOCAL HOSPITAL. AND THEN ON TO TULSA VIA HELICOPTER, AFTER BEING TREATED FOR A HEART ATTACK.

1999 · 1 incident

1998 · 4 incidents

December 17, 1998 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pryor Stone Inc · Over-exertion (Not Elsewhere Classified)

EE HAD BEEN SHOVELING. HE CLIMBED STAIRS TO TOWER, TURNED AROUND AND HURT HIS BACK.

September 22, 1998 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Pryor Stone Inc · Struck against a moving object

EE RAN INTO POT HOLE AND STATED THAT THE JAR MAD THE STEERING WHEEL OF A CATERPILLAR 773B END DUMP, WITH POWER STEERING, JERK, AND PULL MUSCLES IN LEFT SHOULDER.

July 29, 1998 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Pryor Stone Inc · Struck against a moving object

FAINTED WHILE DRIVING END DUMP & TURNED TRUCK OVER INTO SLUDGE PIT.

July 15, 1998 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer EXPLODING VESSELS UNDER PRESSURE
Pryor Stone Inc · Contact with hot objects or substances

HYDRAULIC LINE BROKE ON DOZER AND CAUGHT ON FIRE.

1992 · 1 incident

November 6, 1992 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pryor Stone Inc · Caught in, under or between (Not Elsewhere Classified)

WAS CLEANING ROCK OUT OF JAW CRUSHER WHEN HE LOST HIS BALNCE & STUCK HIS HAND BETWEEN JAW & GUARD

1990 · 3 incidents

October 1, 1990 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Pryor Stone Inc · Struck by flying object

CLEANING A SCREEN ,GOT ROCK DUST IN EYE

September 27, 1990 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver STEPPING OR KNEELING ON OBJECT
Pryor Stone Inc · Struck against stationary object

STEPPED OUT OF TRUCK ONTO A ROCK.

February 13, 1990 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Pryor Stone Inc · Struck against a moving object

STOPPED AT A STOP SIGN AND WAS REAR-ENDED BY ANOTHER VEHICLE.

1989 · 1 incident

May 18, 1989 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Pryor Stone Inc · Fall from machine

EMPL CLEANING WINDSHIELD ON TRUCK WITH FEET MUDDY.WHEN THROUGH,JUMPED TO THE GROUND.

1988 · 1 incident

July 13, 1988 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by flying object

WAS HITTING A BOULDER AND A PIECE OF ROCK CHIPPED OFF AND BROKE HIS GLASSES.

1987 · 2 incidents

March 2, 1987 OK · Metal/Non-Metal drill operator HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS PRYING ON BOULDER IN CRUSHER WITH A PRY BAR. THE BOULDER SHIFTED, CAUSING HIS HAND TO BE PINNED BETWEEN THE PRY BAR ANDTHE SIDE OF THE CRUSHER.

February 27, 1987 OK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pryor Stone Inc · Struck by flying object

EMPLOYEE WAS BREAKING A BOULDER, STUCK IN THE FEED BIN, WITH A SLEDGE HAMMER. A PIECE OF ROCK FLEW UP AND HIT HIM ON THE LEFT SIDE OF HIS FACE IN THE BROW AREA.

For insurers, brokers, and safety consultants

The full compliance file on Pryor Stone #2

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.