Mining Incidents

Crusher #2 Metal/Non-Metal

JTL GROUP, INC. · Surface
Controlled by Knife River Corporation
Casper, Natrona County, WY  ·  Temporarily Idled
MSHA Mine ID: 4801363

Crusher #2 has $52K in proposed MSHA penalties and $0 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
31
Years on record
1986–2013
Latest incident
Aug 2013
Compliance record
MSHA citations since 2001
114
citations
27
significant & substantial
$51,622
proposed penalties
$44,555
paid to date
86% of proposed penalties paid to date, a $7,067 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
41
inspections on record
649
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: 649 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Crusher #2 has $52K in proposed MSHA penalties and $0 outstanding across 4 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.
$52K
proposed penalties
$45K
current assessed
$45K
paid to date
$0
outstanding
113 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2020-08-31.
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 Q3 0 0 0
2025 Q2 0 0 0
2024 Q3 48 0 0 0.0
2024 Q2 249 0 0 0.0
2020 Q3 0 2 0
2020 Q2 0 0 0
2019 Q4 0 0 0
2019 Q3 936 0 0 0.0
Show 63 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2019 Q2 67 0 0 0.0
2017 Q3 40 0 0 0.0
2015 Q1 0 0 0
2014 Q4 0 0 0
2014 Q3 0 0 0
2014 Q2 0 1 0
2014 Q1 4,119 2 0 485.6
2013 Q4 0 0 0
2013 Q3 2,157 0 0 0.0
2013 Q2 3,420 1 0 292.4
2013 Q1 2,117 3 3 1417.1
2012 Q4 5,163 5 3 968.4
2012 Q3 2,932 3 0 1023.2
2012 Q2 2,169 0 0 0.0
2012 Q1 2,406 4 2 1662.5
2011 Q4 3,329 0 0 0.0
2011 Q3 3,748 0 0 0.0
2011 Q2 3,262 5 2 1532.8
2011 Q1 3,572 1 0 280.0
2010 Q4 1,365 0 0 0.0
2010 Q3 2,676 0 0 0.0
2010 Q2 3,588 0 0 0.0
2010 Q1 3,828 6 2 1567.4
2009 Q4 3,729 0 0 0.0
2009 Q3 5,838 3 1 513.9
2009 Q2 3,741 0 0 0.0
2009 Q1 2,678 0 0 0.0
2008 Q4 1,626 7 2 4305.0
2008 Q3 3,241 0 0 0.0
2008 Q2 2,942 5 0 1699.5
2008 Q1 2,102 0 0 0.0
2007 Q4 2,590 2 0 772.2
2007 Q3 4,473 3 0 670.7
2007 Q2 4,569 7 1 1532.1
2007 Q1 4,413 3 0 679.8
2006 Q4 3,269 0 0 0.0
2006 Q3 3,672 0 0 0.0
2006 Q2 3,302 7 0 2119.9
2006 Q1 2,899 0 0 0.0
2005 Q4 2,739 0 0 0.0
2005 Q3 3,993 2 1 500.9
2005 Q2 2,537 4 0 1576.7
2005 Q1 2,614 0 0 0.0
2004 Q4 503 0 0 0.0
2004 Q3 3,808 8 2 2100.8
2004 Q2 4,504 0 0 0.0
2004 Q1 5,040 2 0 396.8
2003 Q4 4,823 7 0 1451.4
2003 Q3 6,710 0 0 0.0
2003 Q2 3,410 0 0 0.0
2003 Q1 2,648 0 0 0.0
2002 Q4 3,144 0 0 0.0
2002 Q3 4,023 0 0 0.0
2002 Q2 4,852 6 2 1236.6
2002 Q1 2,370 0 0 0.0
2001 Q4 3,088 0 0 0.0
2001 Q3 5,830 0 0 0.0
2001 Q2 4,221 0 0 0.0
2001 Q1 4,844 15 6 3096.6
2000 Q4 2,840 0 0 0.0
2000 Q3 5,510 0 0 0.0
2000 Q2 3,794 0 0 0.0
2000 Q1 3,750 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

31 on file

2013 · 1 incident

August 22, 2013 WY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler OTHER
McMurry Ready Mix · Struck by flying object

Windy night at a sand and gravel pit

2012 · 1 incident

February 21, 2012 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall to the walkway or working surface

Miner slipped while walking on snow/ice. Fell forward. Strained left wrist while bracing impact of fall. Ligament strain to left wrist/forearm.

2010 · 1 incident

July 30, 2010 WY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
McMurry Ready Mix · Over-exertion in lifting objects

Injured employee is a transport driver for McMurry Ready Mix Co. who was delivering material to the crusher site. Employee received site specific training upon arrival at site. Employee injured his back while unloading plate steel off trailer.

2009 · 1 incident

January 8, 2009 WY · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall to the walkway or working surface

Miner was walking across ground and slipped on ice. Fell and struck back of head on ground. Sought professional medical care as a precautionary measure. No disabling injury. Miner cleared to return to work.

2006 · 6 incidents

November 25, 2006 WY · Metal/Non-Metal superintendent HANDTOOLS (NONPOWERED)
McMurry Ready Mix · Struck by... (Not Elsewhere Classified)

Miner was cutting v-belt with utility knife. The knife slipped and cut the miner's left forearm. Stitches were required. No lost time. Injury report was received in company safety office on 12/04/06.

November 10, 2006 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
McMurry Ready Mix · Bodily reaction, (Not Elsewhere Classified)

Miner was postioning himself to perform maintenance and experienced chest pain and difficulty breathing. He was transpoted to local hospital where he was diagnosed with a strained chest muscle. No cardiac issues involved.

August 16, 2006 WY · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDTOOLS (NONPOWERED)
McMurry Ready Mix · Struck against stationary object

On 8/16/06, the injured miner was shoveling mud and rock beside the jaw crusher when the shovel struck a rock covered by mud. The impact of the shovel on the rock twisted his right wrist. The injured miner notified his supervisor on 8/23/06, notified the company safety director on 8/25/06, and submitted his inury report form to the company safety director on 8/28/06.

July 17, 2006 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
McMurry Ready Mix · Struck by flying object

Miner was using pneumatic tools while performing post shift equipment maintenance. Dirt/debris was blown into miners right eye. Eye wash solution was used to flush the debris out of the eye. Eye was still irritated the following day which prompted the miner to see a doctor. An abrasion on the eyeball was diagnosed.

June 22, 2006 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall down stairs

Descending stairs from button house and slipped off bottom stair. Impact injured left ankle. Notified supervisor on 6/22/06. Saw doctor on 7/5/06. Safety office receievd injury report on 7/11/06.

January 18, 2006 WY · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor STEPPING OR KNEELING ON OBJECT
McMurry Ready Mix · Struck against stationary object

Employee stepped on a rock and rolled right ankle on 1/18. Notified Safety Director at that time and said it was not serious and continued working. Pain did not subside, so saw doctor on 1/30 which discoverd it was a serious ankle sprain. Notified Safety Director of doctor's findings on 1/30. Filled out injury report form on 2/1/06. No lost time as of 2/2/06.

2005 · 2 incidents

September 29, 2005 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
McMurry Ready Mix · Struck by flying object

While performing equipment maintenance, dirt/sand was stirred by wind and entered employee's right eye. The dirt/sand was able to get around the frame of his safety glasses.

March 24, 2005 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall down stairs

Miner slipped when descending snow covered stairs while exiting crusher button house. Miner sustained a slight concussion and bruised right hand.

2004 · 2 incidents

November 5, 2004 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Rissler & Mc Murry Company · Struck by flying object

While performing maintenance on equipment in windy conditions, material (sand, dirt) was blown into ee's right eye. The ee finished his shift with minor discomfort. Returning home, the discomfort got worse. Went to E.R. on Saturday.

September 2, 2004 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Rissler & Mc Murry Company · Over-exertion in lifting objects

Employee was involved with setting up crusher for operation. While hanging electrical cords, his body movement while lifting pulled/strained his right hip (Dislocation).

1999 · 2 incidents

August 24, 1999 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Rissler & Mc Murry Company · Struck against a moving object

EMPLOYEE WAS OPERATING DOZER PUSHING ROCKS TO PRIMARY JAW CRUSHER. DOZER WALKED UP ON ROCKS. THEROCKS BROKE BENEATH TRACKS, CAUSING A BACK INJURY TO THE OPERATOR WHEN HE WAS JARRED FROM THE FA LL OF THE DOZER(APPROX. 1 FOOT), WHEN THE DOZER HIT THE GROUND.

April 15, 1999 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Rissler & Mc Murry Company · Struck by... (Not Elsewhere Classified)

EE USING AHYDRAULIC PULLING DEVICE (JACK) TO ASSIST IN REMOVAL OF A BERING HOUSING. THE PULLING EYE BROKE AND HIT THE EE IN THE JAW, CAUSING A LACERATION. Y

1994 · 2 incidents

July 26, 1994 WY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler FIRE
Rissler & Mc Murry Company · Contact with hot objects or substances

EMPLOYEE WAS CLEANING AN ELECTRICAL CONTACT WITH ETHER WHEN THE CONTACT IGNITED, BURNING HIS LEFT ARM.

April 15, 1994 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Rissler & Mc Murry Company · Struck against stationary object

EE CUT RIGHT ELBOW ON THE FRAME OF A SCREENING DECK OF A ROCK CRUSHER.

1993 · 1 incident

May 7, 1993 WY · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Rissler & Mc Murry Company · Over-exertion (Not Elsewhere Classified)

BACK & RIGHT LEG STARTED HURTING LATE ON DATE ACCIDENT. WE WERE LOADING BLAST HOLES. EMPLOYEE ADVISED EMPLOYER AND CONTINUED WORKING. PAIN CONTINUED AND EMPLOYEE STARTED SEEING A DOCTOR ON 6/2 4/93.

1992 · 3 incidents

October 29, 1992 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Rissler & Mc Murry Company · Fall from machine

EMPLOYEE WAS STARTING A DOZER AS HE STEPPED OUT OF THE CAB HIS FEET SLIPPED ON A WET STEP EMPLOYEE FELL INJURING HIS TAILBONE ON THE DOZER ARM I WAS NOT NOTIFIED OF THE INJURY UNTIL 11-13-92

September 17, 1992 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Rissler & Mc Murry Company · Contact with hot objects or substances

INDIVIDUAL WAS BURNED ON IHS CHEST BY PROPANE BEING VENTED FROM A RELIEF VALVE.

August 25, 1992 WY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Rissler & Mc Murry Company · Struck against stationary object

95495IDUAL LACERATED HIS LEFT THUMB ON A SCREEN BOLT, 5 STITCHES APPLIED, NO LOST TIME OR RESTRICTED ACTIVITY.

1991 · 1 incident

March 19, 1991 WY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Rissler & Mc Murry Company · Struck against stationary object

INDIVIDUAL CUT THE PALM OF HIS LEFT HAND ON A SHARP PIECE OF ALLTHREAD 4 STITCHES WERE APPLIED NO LOST TIME

1990 · 2 incidents

December 10, 1990 WY · Metal/Non-Metal mechanic helper HANDLING OF MATERIALS
Rissler & Mc Murry Company · Struck against stationary object

INDIVIDUAL RAISED UP AND HIT A CROSS BRACE ON 12-10-90, RESULTING IN BRUISED VERTEBRAE. HE CONSULTED A PHYSICIAN AND RETURNED TO WORK ON 12-11-90. HE THEN BENT OVER TO MOVE A ROLL OF FLASHING AND AGGRAVATED THE INJURY, RESULTING IN 3 LOST WORKDAYS. I WAS NOT NOTIFIED OF THIS LOST TIME ACCDIENT UNTIL 1-22-91.

October 3, 1990 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Rissler & Mc Murry Company · Fall to lower level, (Not Elsewhere Classified)

INDIVIDUAL INJURED HIS LEFT CALK WHEN IT WAS PINCHED BETWEEN 2 TRAILERS ON OCTOBER 3RD.ON OCTOBER 9TH,1990 HE STEPPED INTO A HOLE IN THE GROUND AND AGGRAVATED THE INJURY CAUSING LOST TIME.HE G AVE NOTICE OF STARTING A NEW JOB ON OCTOBER 19,1990.AS HE WILL BE INCAPACITATED UNTIL THE TIME HE STARTS WORK FOR A DIFFERENT EMPLOYER (OCT 19) HE LOST 8 WORKING DAYS.

1989 · 4 incidents

December 21, 1989 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Rissler & Mc Murry Company · Over-exertion (Not Elsewhere Classified)

INDVIVDUA; DIAGNOSED AS SUFFERING CARPAL TUNNEL SYNDROME IN BOTH WRISTS FROM REPEATED TRUMA.

June 8, 1989 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Rissler & Mc Murry Company · Struck against a moving object

EMPLOYEE WAS CUTTING CONVEYOR BELT FO RFALSHING. AS HE CUT TOWARDS HIMSELF, KNIFE SLIPPED AND CUT LOWER RIGHT THIGH. CUT REQUIRED 8 STUTURES.

June 1, 1989 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Rissler & Mc Murry Company · Struck against stationary object

EMPLOYEE BUMPED ELBOW ON STEEL CORNER, RESULTING IN SWELLING & SORENESS.

April 25, 1989 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Rissler & Mc Murry Company · Over-exertion in lifting objects

EMPLOYEE SUFFERED HERNIA WHILE LIFTING ROCK OUT OF CONE CRUSHER.

1987 · 1 incident

August 17, 1987 WY · Metal/Non-Metal superintendent OTHER
Rissler & Mc Murry Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS CH5NGING MANTLE ON CONE WITH ANOTHER EMPLOYEE BOTH WERE HAMMERING ON MANTLE ON OPPOSITE SIDES WIND BLEW I.NAME FORWARD HIS LEFT HAND LANDED ON MANTLE AS OTHER EMPLOYEE WAS COMING DOWN WITH HAMM9R HAMMER SEVERED LITTLE FINGER OF LEFT HAND

1986 · 1 incident

September 26, 1986 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Rissler & Mc Murry Company · Caught in, under or between (Not Elsewhere Classified)

CREW WAS CLEANI3G THE JAW. SUPERINTENDENT WAS TOLD TO DUMP THE CLUTCH AND ROLL THE BELT AHEAD. SUPERINTENTDENT CLIMBED ON TOP OF THE JAW. THE INJURED AND ANOTHER EMPLOYEE WERE STANDING ON T THE SCREEN TALK3NG. HE YELLED AND MOTIONED THAT HE WAS GOING TO DUMP THE CLUTCH AND ROLL IT OVER ONCE. WHEN SUPERINTENDENT TURNED AROUND HE SAW INJURED CAUGHT IN THE BELTS DRIVING THE SCREEN

For insurers, brokers, and safety consultants

The full compliance file on Crusher #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.