Mining Incidents

Casper Pit Metal/Non-Metal

JTL Group, Inc. · Surface
Controlled by Knife River Corporation
Casper, Natrona County, WY  ·  Temporarily Idled
MSHA Mine ID: 4800715

Casper Pit has $7K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
17
Years on record
1988–2004
Latest incident
Jun 2004
Compliance record
MSHA citations since 2003
32
citations
3
significant & substantial
$7,234
proposed penalties
$7,234
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
40
inspections on record
492
inspection hours
n/a
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.
Rate withheld: 492 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Casper Pit has $7K in proposed MSHA penalties and $0 outstanding across 1 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.
$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
32 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2022-07-13.
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 0 0 0
2025 Q3 1,910 0 0 0.0
2025 Q2 329 0 0 0.0
2025 Q1 144 0 0 0.0
2024 Q4 1,740 0 0 0.0
2024 Q3 1,402 0 0 0.0
2024 Q2 1,324 0 0 0.0
2024 Q1 351 0 0 0.0
Show 91 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,179 0 0 0.0
2023 Q3 1,386 0 0 0.0
2023 Q2 983 0 0 0.0
2023 Q1 252 0 0 0.0
2022 Q4 372 0 0 0.0
2022 Q3 1,009 1 0 991.1
2022 Q2 1,102 0 0 0.0
2022 Q1 245 0 0 0.0
2021 Q4 131 0 0 0.0
2021 Q3 986 0 0 0.0
2021 Q2 771 1 0 1297.0
2021 Q1 23 0 0 0.0
2020 Q4 25 0 0 0.0
2020 Q3 729 0 0 0.0
2020 Q2 1,146 0 0 0.0
2020 Q1 170 2 2 11764.7
2019 Q4 240 0 0 0.0
2019 Q3 1,442 0 0 0.0
2019 Q2 49 0 0 0.0
2019 Q1 192 0 0 0.0
2018 Q4 728 0 0 0.0
2018 Q3 787 0 0 0.0
2018 Q2 1,054 0 0 0.0
2018 Q1 255 0 0 0.0
2017 Q4 721 0 0 0.0
2017 Q3 1,121 0 0 0.0
2017 Q2 1,424 0 0 0.0
2017 Q1 200 0 0 0.0
2016 Q4 1,332 0 0 0.0
2016 Q3 1,701 0 0 0.0
2016 Q2 726 1 0 1377.4
2016 Q1 805 0 0 0.0
2015 Q4 914 0 0 0.0
2015 Q3 1,568 0 0 0.0
2015 Q2 1,378 0 0 0.0
2015 Q1 394 0 0 0.0
2014 Q4 749 2 1 2670.2
2014 Q3 471 1 0 2123.1
2014 Q2 835 0 0 0.0
2014 Q1 291 0 0 0.0
2013 Q4 289 0 0 0.0
2013 Q3 417 0 0 0.0
2013 Q2 404 0 0 0.0
2013 Q1 538 0 0 0.0
2012 Q4 464 0 0 0.0
2012 Q3 462 0 0 0.0
2012 Q2 752 0 0 0.0
2012 Q1 136 2 0 14705.9
2011 Q4 2,097 0 0 0.0
2011 Q3 3,318 0 0 0.0
2011 Q2 1,513 0 0 0.0
2011 Q1 1,106 0 0 0.0
2010 Q4 2,046 1 0 488.8
2010 Q3 2,651 1 0 377.2
2010 Q2 1,628 0 0 0.0
2010 Q1 197 0 0 0.0
2009 Q4 462 0 0 0.0
2009 Q3 1,576 0 0 0.0
2009 Q2 1,501 0 0 0.0
2009 Q1 424 0 0 0.0
2008 Q4 881 1 0 1135.1
2008 Q3 1,585 0 0 0.0
2008 Q2 1,188 0 0 0.0
2008 Q1 265 0 0 0.0
2007 Q4 1,638 0 0 0.0
2007 Q3 2,145 0 0 0.0
2007 Q2 1,614 0 0 0.0
2007 Q1 717 0 0 0.0
2006 Q4 1,085 0 0 0.0
2006 Q3 1,462 1 0 684.0
2006 Q2 1,469 0 0 0.0
2006 Q1 1,437 0 0 0.0
2005 Q4 2,089 0 0 0.0
2005 Q3 1,963 0 0 0.0
2005 Q2 1,840 2 0 1087.0
2005 Q1 1,913 14 0 7318.3
2004 Q4 1,394 0 0 0.0
2004 Q3 2,691 0 0 0.0
2004 Q2 2,155 0 0 0.0
2004 Q1 1,247 0 0 0.0
2003 Q4 1,385 2 0 1444.0
2003 Q3 2,413 0 0 0.0
2003 Q2 2,603 0 0 0.0
2003 Q1 1,344 0 0 0.0
2002 Q4 1,772 0 0 0.0
2002 Q1 2,575 0 0 0.0
2001 Q4 3,607 0 0 0.0
2001 Q3 4,667 0 0 0.0
2001 Q2 4,969 0 0 0.0
2001 Q1 3,937 0 0 0.0
2000 Q4 3,332 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

17 on file

2004 · 2 incidents

June 22, 2004 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
JTL Group, Inc. · Struck against a moving object

WHILE EMPLOYEE WAS OPERATING A CAT SKID STEER LOADER CLEANING OUT UNDER A SCREEN DECK, THE LOADER LUNGED FORWARD AND IN AN ATTEMPT TO KEEP FROM GOING FORWARD, HE PULLED A GROIN MUSCLE. HE WAS INJURED BECAUSE HE FAILED TO WEAR A REQUIRED SEAT BELT WHILE OPERATING THE LOADER.

May 7, 2004 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
JTL Group, Inc. · Struck by... (Not Elsewhere Classified)

EE WAS ASSISTING IN TEARING DOWN 5 BIN FEEDER AND WAS REMOVING A JACK PAD. INJ EE & FELLOW EE LIFTED THE PAD SET IT ON A SHORT WALL. THE PAD TILTED AND ROTATED CATCHING EE'S RIGHT RING FINGER AND CUTTING IT AT THE 1ST KNUCKLE NEEDED 5 STITCHES

2001 · 1 incident

December 5, 2001 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
JTL Group, Inc. · Fall to the walkway or working surface

WORKER LABORER/OPERATOR SLIPPED ON A FROST COVERED SURFACE, AS HE STARTED TO FALLHE CAUGH HIMSELF BY PUTTING OUT HIS LEFT HAND, THIS CAUSED HIM TO BRUISE HIS WRIST.

1997 · 1 incident

March 28, 1997 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Jtl Group Inc · Fall to lower level, (Not Elsewhere Classified)

EE WAS CLIMBING ONTO A HORIZONTAL SHAFT IMPACTOR AT THE GRAY AND FELL ABOUT 3 1/2-4' BREAKING A PIECE OF HOME OUT OF THE ELBOW OF HIS RIGHT ARM.

1996 · 2 incidents

September 24, 1996 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Jtl Group Inc · Contact with hot objects or substances

THIS LABORER WAS ASSISTING ON WORK BEING DONE TO A ROLL CRUSHER WHILE THE ROLLS WERE BEING WELDED ON, A PIECE OF HOT SLAG FROM THE WELDING OPERATION DROPPED OFF AND STRUCK HIM ON THE RIGHT ARM NEAR THE ELBOW BURNING THE FOREARM.

August 10, 1996 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Jtl Group Inc · Over-exertion in pulling or pushing objects

CRUSHER OPERATOR WAS REPAIRING A CONVEYO HE WAS LYING ON HIS BACK IN A TIGHT AREA, WHERE THERE WAS ONLLY ROOM FOR ON EPERSON. HE USED HIS KNEE TO PUSH UP A SHOOT IN ORDER OT INSERT A PLATE AN D BOLT. WHILE PUSHING UP OEPRATOR HEARD A POP IN HIS BACK.

1995 · 2 incidents

October 5, 1995 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Jtl Group Inc · Flash burns (welding)

JTL GROUP EMPLOYEE EE RECEIVED WIRE-FEED ELECTRIC WELDER FLASH BURNS TO HIS EYES WHILE WORKING NEAR THE MACHINE WELDING SHIELDS WERE IN PLACE & WERE BEING USED EMPLOYEE INADVERDENTLY LOOK AT A RC AFTER LEAVING SHIELD & WELDING HELMET

July 27, 1995 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STRIKING OR BUMPING
Jtl Group Inc · Struck against stationary object

EMPLOYEE WAS CLEANING TIPPLE HAD FINISHED AND WAS MOVING TOWARD THE WALKWAY, WHEN HIS RIGHT THIGH STRUCK A SHARP PIECE OF STEEL, LACERATING THE THIGH.

1994 · 3 incidents

November 14, 1994 WY · Metal/Non-Metal outside foreman, leadman OTHER
Jtl Group Inc · Over-exertion in pulling or pushing objects

EE WAS PULLING ON FLOATING FUEL TANK DURING WINDY CONDITIONS PULLED ELBOW.

April 18, 1994 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Jtl Group Inc · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS TRIMMING A CONVEYOR BELT WITH UTILITY KNIFE, KNIFE SLIPPED & CUT FINGER [LEFT INDEX] FROM FIRST JOINT THROUGH FINGERNAIL. FINGER WAS STITCHED IN EMERGENCY ROOM.

April 8, 1994 WY · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor POWERED HAULAGE
Jtl Group Inc · Caught in, under or between (Not Elsewhere Classified)

PLEASE SEE ATTACHED.LOADER WAS LIFTING AND PUSH THE TAIL. EE COULD NOT SEE OVER THE CHUTE ON THE TAIL SECTION SO HE STEPPED UP INTO THE LOADER BUCKET TO CHECK ALIGMENT. FRAME OF THE TAIL SECTI ON CAME DOWN ON HIS LEFT FOO AND PINCHED THE FOOT BETWEEN THE FRAME AND THE BOTTOM OF THE LOADER BUCKET. LEFT FOOT RECIVED A CRUSHING INJURY RESULTING AMPUTION OF THE BIG TOE AND TORN MUSCLE

1992 · 2 incidents

August 11, 1992 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Jtl Group Inc · Struck by falling object

36605E WERE LIFTING BATTERY OFF CRUSHER HANDLE BROKE AND BATTERY FELL ON EE S RIGHT FOOT BRUISING IT.

June 4, 1992 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Jtl Group Inc · Struck by flying object

SETTING ROLLS ON CRUSHER PIECE OF IRON FLEW OUT AND HIT HIM IN THE HEAD.

1991 · 2 incidents

July 3, 1991 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Jtl Group Inc · Caught in, under or between a moving and a stationary object

RIGHT ARM SEVERED ABOVE ELBOW-DETAILS NOT KNOWN AT THIS TIME-UNABLE TO SPEAK TO EMPLOYEE NO KNOWN WITNESSES.

April 16, 1991 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Jtl Group Inc · Struck by flying object

OPERATOR WAS ADJUSTING THE ROLL CRUSHER BY PUTTING A WEDGE IN THE ROLLS AND THE WEDGE FLEW OUT AND HIT HIM IN THE PENIS.

1989 · 1 incident

November 3, 1989 WY · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand SLIP OR FALL OF PERSON
Casper Concrete Company · Fall from machine

OPERATOR STEPPED OFF DREDGE INTO BOAT, FOOT SLIPPED AND HE HELD ONTO HAND RAIL, PULLING SHOULDER.

1988 · 1 incident

March 17, 1988 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Casper Concrete Company · Struck by flying object

EMPLOYEE WAS WELDING ON CRUSHER WHEN A PIECE OF SLAG FLEW INTO HIS RIGHT EYE.

For insurers, brokers, and safety consultants

The full compliance file on Casper Pit

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.