Mining Incidents

Crusher Plant #1: 15 MSHA citations Metal/Non-Metal

Controlled by YELLOWSTONE COUNTY-MT
Billings, Yellowstone County, MT  ·  Temporarily Idled
MSHA Mine ID: 2402536

Crusher Plant #1 has $2K 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
1
Years on record
2011
Latest incident
Jan 2011
Compliance record
MSHA citations since 2009
15
citations
0
significant & substantial
$1,845
proposed penalties
$1,845
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2009
20
inspections on record
241
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: 241 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 Plant #1 has $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
15 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-05-01.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
0.0%
significant & substantial
0.0%
high negligence or reckless
0.0%
reasonably likely or greater
13.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 33.3% low, 66.7% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2025-09-23
5
samples
0
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg5
Show the individual readings (5)
Date Contaminant Concentration Limit Conc / limit Occupation
2025-09-23 Respirable dust, <.1mg 0 Front-end Loader Operator
2020-03-10 Respirable dust, <.1mg 0 Crusher Oper/Worker
2020-03-10 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-11-01 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-11-01 Respirable dust, <.1mg 0 Front-end Loader Operator

Area samples (mill and shop air)

Last sampled: 2014-10-29, 11 years ago
1
samples
Show the individual readings (1)
Date Contaminant Concentration Limit Conc / limit Area sampled
2014-10-29 Respirable dust, <.1mg 0 Cab of # 649 J D F.E
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. Yellowstone County Road Department 2008 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2025 2
2024 2
2023 2
2022 2
2021 2
2020 2
2019 2
2018 2
2017 2
2016 2
2015 1
2014 1
2013 1
2012 1
2011 1
2010 1
2009 2
2008 2
Source: MSHA quarterly employment and production, updated weekly.

Crusher Plant #1 sits in Yellowstone County, Montana, where the Census mining category is 1.4% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Yellowstone County, Montana · Population 167,340
1.4%
Mining share of county employment
$74,400
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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 22 0 0 0.0
2025 Q3 58 0 0 0.0
2025 Q2 204 0 0 0.0
2025 Q1 141 0 0 0.0
2024 Q4 291 0 0 0.0
2024 Q3 245 0 0 0.0
2024 Q1 63 0 0 0.0
2023 Q4 338 0 0 0.0
Show 58 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 71 0 0 0.0
2023 Q2 151 0 0 0.0
2023 Q1 241 0 0 0.0
2022 Q4 96 0 0 0.0
2022 Q3 125 0 0 0.0
2022 Q2 240 0 0 0.0
2022 Q1 227 0 0 0.0
2021 Q4 221 1 0 4524.9
2021 Q3 222 0 0 0.0
2021 Q2 356 0 0 0.0
2021 Q1 299 0 0 0.0
2020 Q4 311 0 0 0.0
2020 Q3 96 0 0 0.0
2020 Q2 31 0 0 0.0
2019 Q4 333 0 0 0.0
2019 Q3 291 0 0 0.0
2019 Q2 295 2 0 6779.7
2019 Q1 137 0 0 0.0
2018 Q4 283 0 0 0.0
2018 Q3 144 0 0 0.0
2018 Q2 0 0 0
2018 Q1 198 0 0 0.0
2017 Q4 270 1 0 3703.7
2017 Q3 218 0 0 0.0
2017 Q2 265 0 0 0.0
2017 Q1 158 0 0 0.0
2016 Q4 245 1 0 4081.6
2016 Q3 81 0 0 0.0
2016 Q2 117 1 0 8547.0
2016 Q1 180 0 0 0.0
2015 Q4 198 0 0 0.0
2015 Q3 0 0 0
2015 Q2 0 0 0
2015 Q1 200 0 0 0.0
2014 Q4 108 0 0 0.0
2014 Q3 0 0 0
2014 Q2 172 0 0 0.0
2014 Q1 12 0 0 0.0
2013 Q4 159 0 0 0.0
2013 Q3 0 0 0
2013 Q2 179 0 0 0.0
2013 Q1 286 0 0 0.0
2012 Q4 81 0 0 0.0
2012 Q3 0 0 0
2012 Q2 0 0 0
2012 Q1 256 0 0 0.0
2011 Q4 100 0 0 0.0
2011 Q3 0 0 0
2011 Q2 362 1 0 2762.4
2011 Q1 160 0 0 0.0
2010 Q4 155 0 0 0.0
2010 Q2 693 0 0 0.0
2010 Q1 156 0 0 0.0
2009 Q4 200 0 0 0.0
2009 Q3 61 0 0 0.0
2009 Q2 370 0 0 0.0
2009 Q1 520 1 0 1923.1
2008 Q4 76 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2011 · 1 incident

January 26, 2011 MT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Yellowstone County Road Department · Struck by falling object

The mechanic was clearing out mud in the throat of the crusher when the door came down and hit his hard hat. He went to Occupational Health on 1-31-11 because his neck was stiff.