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Crusher #4 Metal/Non-Metal

JTL GROUP,INC. · Surface

Controlled by Knife River Corporation

Casper, Natrona County, WY  ·  Intermittent

MSHA Mine ID: 4801569

Crusher #4 has $3K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

2

Years on record

2010–2016

Latest incident

Jul 2016

Compliance record

MSHA citations since 2008

23

citations

3

significant & substantial

$3,100

proposed penalties

$3,100

paid to date

100% of proposed penalties paid to date, a $0 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2000

26

inspections on record

269

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: 269 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 #4 has $3K in proposed MSHA penalties and $0 outstanding across 0 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.

$3K

proposed penalties

$3K

current assessed

$3K

paid to date

$0

outstanding

23 assessments are final orders; 0 contested dockets.

As of the most recent assessment on 2022-07-18.

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	649	0	0	0.0
2025 Q3	1,031	0	0	0.0
2025 Q2	397	0	0	0.0
2025 Q1	0	0	0
2024 Q4	439	0	0	0.0
2024 Q3	364	0	0	0.0
2024 Q2	95	0	0	0.0
2024 Q1	232	0	0	0.0

Show 68 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q4	324	0	0	0.0
2023 Q3	424	0	0	0.0
2023 Q2	490	0	0	0.0
2023 Q1	0	0	0
2022 Q4	25	0	0	0.0
2022 Q3	618	5	0	8090.6
2022 Q2	354	0	0	0.0
2022 Q1	0	0	0
2021 Q4	96	0	0	0.0
2021 Q3	833	0	0	0.0
2021 Q2	0	0	0
2021 Q1	0	0	0
2020 Q4	46	0	0	0.0
2020 Q3	926	0	0	0.0
2020 Q2	117	4	0	34188.0
2019 Q4	113	0	0	0.0
2019 Q3	539	0	0	0.0
2019 Q2	0	0	0
2019 Q1	0	0	0
2018 Q4	85	0	0	0.0
2018 Q3	746	0	0	0.0
2018 Q2	0	0	0
2018 Q1	0	0	0
2017 Q4	0	0	0
2017 Q3	0	0	0
2017 Q2	0	0	0
2017 Q1	0	0	0
2016 Q4	77	0	0	0.0
2016 Q3	1,070	1	0	934.6
2016 Q2	0	0	0
2016 Q1	0	0	0
2015 Q4	531	0	0	0.0
2015 Q3	1,432	1	0	698.3
2015 Q2	519	0	0	0.0
2015 Q1	0	0	0
2014 Q4	68	0	0	0.0
2014 Q3	1,316	1	1	759.9
2014 Q2	60	0	0	0.0
2013 Q4	183	0	0	0.0
2013 Q3	837	1	0	1194.7
2013 Q2	338	0	0	0.0
2013 Q1	196	0	0	0.0
2012 Q4	933	0	0	0.0
2012 Q3	418	0	0	0.0
2012 Q2	146	2	1	13698.6
2012 Q1	0	0	0
2011 Q4	30	0	0	0.0
2011 Q3	238	0	0	0.0
2011 Q2	207	3	0	14492.8
2010 Q3	783	2	0	2554.3
2010 Q2	436	0	0	0.0
2010 Q1	500	0	0	0.0
2009 Q4	518	0	0	0.0
2008 Q3	0	0	0
2003 Q2	0	0	0
2003 Q1	0	0	0
2002 Q4	0	0	0
2002 Q3	0	0	0
2002 Q2	0	0	0
2002 Q1	1,028	0	0	0.0
2001 Q4	0	0	0
2001 Q3	2,233	0	0	0.0
2001 Q2	1,228	0	0	0.0
2001 Q1	325	0	0	0.0
2000 Q4	0	0	0
2000 Q3	816	0	0	0.0
2000 Q2	0	0	0
2000 Q1	0	0	0

No fatalities recorded at this mine.

Reportable incidents

2 on file

2016 · 1 incident

July 20, 2016 WY · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON

McMurry Ready Mix · Fall from ladders

IE was working off of ladder trying to put a pin in a belt, when IE fell off the ladder. Injured worker estimates IE fell 6 feet. Nearby worker said EE looked over and IE was standing on the top rung of ladder, EE went to put what was in hands down to go help and when EE looked back up IE had fell off the ladder. Ladder measured 7 1/2 feet.

2010 · 1 incident

July 27, 2010 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer NONPOWERED HAULAGE

McMurry Ready Mix · Struck by... (Not Elsewhere Classified)

Miner was walking backwards while pulling a wheeled oxy-acetelyne welding cart on soft/sandy ground. The cart wheels hung up in a soft spot. The momentum of the cart caused a bottle regulator to strike the miner in the chest as the miner continued to pull the cart. A bruised sternum resulted.

For insurers, brokers, and safety consultants

The full compliance file on Crusher #4

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.

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