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

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Fatalities
0
Total incidents
14
Years on record
2004–2013
Latest incident
Aug 2013
Compliance record
MSHA citations since 2001
114
citations
27
significant & substantial
$51,622
proposed penalties
$44,555
paid to date
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 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
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

14 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).