Mining Incidents

Crusher #7 Metal/Non-Metal

JTL GROUP,INC. · Surface
Controlled by Knife River Corporation
Casper, Natrona County, WY  ·  Intermittent
MSHA Mine ID: 4801598

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Fatalities
0
Total incidents
15
Years on record
2005–2021
Latest incident
Nov 2021
Compliance record
MSHA citations since 2004
84
citations
20
significant & substantial
$17,432
proposed penalties
$17,432
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 Q4 3,120 0 0 0.0
2025 Q3 5,287 0 0 0.0
2025 Q2 6,480 0 0 0.0
2024 Q3 4,462 0 0 0.0
2024 Q1 4,054 0 0 0.0
2023 Q4 3,862 0 0 0.0
2023 Q3 0 2 0
2023 Q1 3,750 2 0 533.3
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

15 on file

2021 · 2 incidents

November 22, 2021 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
JTL GROUP,INC. · Caught in, under or between a moving and a stationary object

EMPLOYEE INSPECTING BLOW BARS ON IMPACT,ELBOW STRUCK THE BREAKER PLATES AND ROTOR COTINUED TO ROLL. THIS CAUSED BREAK IN RIGHT WRIST.

March 30, 2021 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
JTL GROUP,INC. · Fall from machine

Placing cat walk on fuel tank to avoid falls while checking fuel levels. Cat walk slipped falling to ground before secured. Employee fell to ground with cat walk.

2020 · 1 incident

January 15, 2020 WY · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
McMurry Ready Mix · Struck by... (Not Elsewhere Classified)

While helping Mechanic change out a bushing on dozer, bushing came out, pinching and cutting left index finger. Three stitches and glue was required.

2019 · 1 incident

December 2, 2019 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall to the walkway or working surface

Miner slipped on ice and fell walking to office at end of workday.

2014 · 1 incident

July 9, 2014 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall to the walkway or working surface

He fainted during a safety meeting and fell over on his face. He just came back from six days off, he said he was cutting wood on his days off and had not been getting enough sleep.

2012 · 1 incident

September 18, 2012 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
McMurry Ready Mix · Bodily reaction, (Not Elsewhere Classified)

Miner did not report to work 9/19/2012. Called supervisor from hospital saying he broke/sprained ankle on 9/18/2012 while changing screens. Did not report injury day of occurrence. Sprained ankle was confirmed. Miner missed work on 9/19/2012. Returned to work on 9/20/2012. Suspicious as to being a work related injury.

2011 · 1 incident

September 6, 2011 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
McMurry Ready Mix · Caught in, under or between (Not Elsewhere Classified)

Injured miner had finger pinched by a chain. Appeared to be a minor cut/abrasion at the time of injury. Injury not healing as of 09/11/2011 so miner went to hospital ER.

2010 · 2 incidents

February 1, 2010 WY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall down stairs

Miner slipped desending steps of lab trailer and fell on her back resulting in fractured ribs.

January 22, 2010 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall to the walkway or working surface

Miner slipped/fell on uneven ground. Fractured bone in hand used to brace the fall.

2009 · 1 incident

March 10, 2009 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall from ladders

Miner caught the tread of his boot in a rung of an access ladder on an impact crusher while desending straining his lower back. 7000-1 not submitted. Have already been cited for this violation per Bill Coates, Green River, WY MSHA office on 06/22/2009.

2007 · 1 incident

September 5, 2007 WY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
McMurry Ready Mix · Fall from ladders

Miner slipped off of 3rd step (from bottom) of ladder while ascending. Fell on left shoulder. Dislocated left shoulder. Ladder was not in disrepair or slippery.

2006 · 1 incident

August 14, 2006 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
McMurry Ready Mix · Absorption of radiations, caustics, toxic and noxious substances

While fueling Cat D9L dozer, the quick connect fuel valve on the dozer did not close when the service truck fueling hose was removed. Diesel sprayed on the employee and got in his right ear. The diesel chemically burned the employee's right ear canal. No permanent damge resulted.

2005 · 3 incidents

September 19, 2005 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
McMurry Ready Mix · Over-exertion in lifting objects

Employee lifted too much weight at one time causing a hernia in right groin. Employee notified his supervisor on 10/1/05 of the injury and that he would be going to the doctor. Paperwork not received in company safety office until 10/10/05. Steve Pilling at Green River, WY MSHA office notified of incident circumstances on 10/11/05.

August 2, 2005 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
McMurry Ready Mix · Caught in, under or between a moving and a stationary object

While refueling equipment, employee had his hand in driver's door door jam of the fuel truck. The wind blew the door shut crushing his right hand. This accident was discovered on 10/11/05 as being not reported to MSHA in the required time limit during a self-audit for the 3rd quarter Form 7000-2. Green River, WY MSHA office was notified on 10/11/05.

March 8, 2005 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
McMurry Ready Mix · Over-exertion (Not Elsewhere Classified)

Miner was replacing shocks on a pickup when he felt a pain in his chest. Miner was not lifting heavy objects, did not strike an object with his body, nor did he make an awkward movement. Pain did intesify with left arm motion.