Mining Incidents

Montana Solid Rock Quarry #4 Metal/Non-Metal

Controlled by Robyn Duffy
Plains, Sanders County, MT  ·  Active
MSHA Mine ID: 2402433

Montana Solid Rock Quarry #4 has $6K in proposed MSHA penalties and $453 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
5
Years on record
2006–2014
Latest incident
Dec 2014
Compliance record
MSHA citations since 2007
44
citations
16
significant & substantial
$5,809
proposed penalties
$5,356
paid to date
92% of proposed penalties paid to date, a $453 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
39
inspections on record
404
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: 404 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Montana Solid Rock Quarry #4 has $6K in proposed MSHA penalties and $453 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.
$6K
proposed penalties
$6K
current assessed
$5K
paid to date
$453
outstanding
44 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-04.
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 1,880 0 0 0.0
2025 Q3 2,382 0 0 0.0
2025 Q2 2,771 3 1 1082.6
2025 Q1 2,499 0 0 0.0
2024 Q4 2,508 0 0 0.0
2024 Q3 609 0 0 0.0
2024 Q2 647 0 0 0.0
2024 Q1 3,018 3 0 994.0
Show 72 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,375 0 0 0.0
2023 Q3 3,019 0 0 0.0
2023 Q2 1,538 0 0 0.0
2023 Q1 1,427 0 0 0.0
2022 Q4 2,328 0 0 0.0
2022 Q3 2,030 0 0 0.0
2022 Q2 2,371 0 0 0.0
2022 Q1 2,146 0 0 0.0
2021 Q4 2,430 0 0 0.0
2021 Q3 2,277 0 0 0.0
2021 Q2 2,611 3 1 1149.0
2021 Q1 2,861 0 0 0.0
2020 Q4 2,436 0 0 0.0
2020 Q3 2,833 0 0 0.0
2020 Q2 1,450 2 0 1379.3
2020 Q1 0 0 0
2019 Q4 0 0 0
2019 Q3 1,434 0 0 0.0
2019 Q2 2,370 1 0 421.9
2019 Q1 1,336 0 0 0.0
2018 Q4 1,023 0 0 0.0
2018 Q3 2,065 0 0 0.0
2018 Q2 1,764 0 0 0.0
2018 Q1 365 0 0 0.0
2017 Q4 506 4 2 7905.1
2017 Q3 278 0 0 0.0
2017 Q2 3,387 0 0 0.0
2017 Q1 1,279 0 0 0.0
2016 Q4 655 4 0 6106.9
2016 Q3 2,204 0 0 0.0
2016 Q2 702 0 0 0.0
2016 Q1 442 6 1 13574.7
2015 Q4 195 0 0 0.0
2015 Q3 1,665 3 2 1801.8
2015 Q2 1,524 0 0 0.0
2015 Q1 1,733 1 0 577.0
2014 Q4 2,270 0 0 0.0
2014 Q3 2,424 0 0 0.0
2014 Q2 2,131 1 1 469.3
2014 Q1 2,054 1 1 486.9
2013 Q4 1,687 0 0 0.0
2013 Q3 2,135 5 3 2341.9
2013 Q2 1,335 0 0 0.0
2013 Q1 1,171 2 1 1707.9
2012 Q4 753 0 0 0.0
2012 Q3 676 0 0 0.0
2012 Q2 449 2 2 4454.3
2012 Q1 415 0 0 0.0
2011 Q4 781 0 0 0.0
2011 Q3 1,900 0 0 0.0
2011 Q2 90 0 0 0.0
2011 Q1 151 0 0 0.0
2010 Q4 921 0 0 0.0
2010 Q3 671 0 0 0.0
2010 Q2 513 0 0 0.0
2010 Q1 772 0 0 0.0
2009 Q4 460 0 0 0.0
2009 Q3 58 0 0 0.0
2009 Q2 263 0 0 0.0
2009 Q1 375 0 0 0.0
2008 Q4 1,057 0 0 0.0
2008 Q3 483 0 0 0.0
2008 Q2 1,701 2 1 1175.8
2008 Q1 0 0 0
2007 Q4 0 0 0
2007 Q3 300 0 0 0.0
2007 Q2 1,129 1 0 885.7
2007 Q1 1,887 0 0 0.0
2006 Q4 1,580 0 0 0.0
2006 Q3 437 0 0 0.0
2006 Q2 1,769 0 0 0.0
2006 Q1 155 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2014 · 2 incidents

December 16, 2014 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Montana Solid Rock Quarry Inc · Struck by... (Not Elsewhere Classified)

When picking rock one hit his middle finger and about smashed it off.

November 21, 2014 MT · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Montana Solid Rock Quarry Inc · Caught in, under or between a moving and a stationary object

Left ring finger was smashed in excavator door.

2008 · 2 incidents

June 2, 2008 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Montana Solid Rock Quarry Inc · Over-exertion in wielding or throwing objects

On 6/17/08 employee notified supervisor that he had a very painful left shoulder. He advised us at that time he started to experience soreness in his shoulder a couple of weeks ago. He went to the local clinic on 6/17/08 to have it checked. He was taken off work pending further evaluation. The clinic referred him to another facility for tests.

April 11, 2008 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Montana Solid Rock Quarry Inc · Over-exertion in lifting objects

tweaked his back and went home to rest. EE call in sick the week of 4/14, ask for work comp on 4/11/08. MSRQ is in the process of verifying the date, te name of treating physicians and what treatment received. MSRQ will also attempt to verify previous and present medical restrict if any.

2006 · 1 incident

July 17, 2006 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Montana Solid Rock Quarry Inc · Struck by rolling or sliding object

Rovk rolled on hand breaking metacarpus of right hand.

For insurers, brokers, and safety consultants

The full compliance file on Montana Solid Rock Quarry #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.