Mining Incidents

Ironside Stone Works Quarry Metal/Non-Metal

Helena, Lewis And Clark County, MT  ·  Active
MSHA Mine ID: 2402209

Ironside Stone Works Quarry has $21K in proposed MSHA penalties and $453 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
5
Years on record
2004–2014
Latest incident
Aug 2014
Compliance record
MSHA citations since 2004
96
citations
27
significant & substantial
$20,529
proposed penalties
$20,076
paid to date
98% of proposed penalties paid to date, a $453 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
57
inspections on record
629
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: 629 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Ironside Stone Works Quarry has $21K in proposed MSHA penalties and $453 outstanding across 2 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.
$21K
proposed penalties
$21K
current assessed
$20K
paid to date
$453
outstanding
96 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-01-14.
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 Q3 824 3 0 3640.8
2025 Q2 495 0 0 0.0
2025 Q1 1,151 0 0 0.0
2024 Q4 1,419 0 0 0.0
2024 Q3 1,414 1 0 707.2
2024 Q2 993 0 0 0.0
2024 Q1 1,169 0 0 0.0
2023 Q4 1,602 0 0 0.0
Show 78 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 3,530 0 0 0.0
2023 Q2 3,020 0 0 0.0
2023 Q1 2,592 4 2 1543.2
2022 Q4 2,759 0 0 0.0
2022 Q3 2,845 0 0 0.0
2022 Q2 2,184 1 0 457.9
2022 Q1 2,527 2 1 791.5
2021 Q4 3,515 0 0 0.0
2021 Q3 3,515 4 2 1138.0
2021 Q2 2,921 0 0 0.0
2021 Q1 2,722 2 1 734.8
2020 Q4 2,227 0 0 0.0
2020 Q3 2,262 12 3 5305.0
2020 Q2 1,825 0 0 0.0
2020 Q1 2,237 0 0 0.0
2019 Q4 1,754 0 0 0.0
2019 Q3 1,835 0 0 0.0
2019 Q2 2,361 2 1 847.1
2019 Q1 2,151 0 0 0.0
2018 Q4 1,951 0 0 0.0
2018 Q3 1,846 2 0 1083.4
2018 Q2 2,616 0 0 0.0
2018 Q1 495 0 0 0.0
2017 Q4 317 0 0 0.0
2017 Q3 204 2 0 9803.9
2016 Q4 774 0 0 0.0
2016 Q3 1,004 1 0 996.0
2016 Q2 1,646 8 1 4860.3
2016 Q1 1,588 0 0 0.0
2015 Q4 1,894 0 0 0.0
2015 Q3 1,730 3 1 1734.1
2015 Q2 3,605 0 0 0.0
2015 Q1 1,208 2 0 1655.6
2014 Q4 1,470 0 0 0.0
2014 Q3 1,375 5 3 3636.4
2014 Q2 2,005 0 0 0.0
2014 Q1 1,377 0 0 0.0
2013 Q4 1,422 7 2 4922.6
2013 Q3 2,181 0 0 0.0
2013 Q2 1,792 0 0 0.0
2013 Q1 1,069 1 1 935.5
2012 Q4 1,112 0 0 0.0
2012 Q3 1,493 0 0 0.0
2012 Q2 1,010 2 1 1980.2
2012 Q1 540 0 0 0.0
2011 Q4 540 0 0 0.0
2011 Q3 540 0 0 0.0
2011 Q2 540 0 0 0.0
2011 Q1 672 0 0 0.0
2010 Q4 672 0 0 0.0
2010 Q3 672 0 0 0.0
2010 Q2 1,536 0 0 0.0
2010 Q1 36 0 0 0.0
2009 Q4 840 0 0 0.0
2009 Q3 1,472 1 0 679.3
2009 Q2 1,821 0 0 0.0
2009 Q1 136 1 0 7352.9
2008 Q4 2,214 0 0 0.0
2008 Q3 2,594 15 1 5782.6
2008 Q2 3,116 0 0 0.0
2008 Q1 3,576 5 2 1398.2
2007 Q4 3,750 0 0 0.0
2007 Q3 3,699 0 0 0.0
2007 Q2 3,698 0 0 0.0
2007 Q1 3,989 1 1 250.7
2006 Q4 4,678 0 0 0.0
2006 Q3 4,402 0 0 0.0
2006 Q2 3,751 3 2 799.8
2006 Q1 3,547 0 0 0.0
2005 Q4 5,800 0 0 0.0
2005 Q3 7,476 0 0 0.0
2005 Q2 6,827 0 0 0.0
2005 Q1 4,553 1 0 219.6
2004 Q4 7,796 2 2 256.5
2004 Q3 8,397 0 0 0.0
2004 Q2 6,784 0 0 0.0
2004 Q1 2,836 0 0 0.0
2003 Q4 3,115 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2014 · 1 incident

August 7, 2014 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Smith Mining & Excavation, LLC · Over-exertion in lifting objects

Employee went home after his scheduled shift on 8/7/14, lifted daughter and felt sharp pain. Dr visit confirms hernia.

2012 · 1 incident

June 7, 2012 MT · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Gates Slate, Inc · Over-exertion in lifting objects

Above laborer was lifting a piece of slate to put on a pallet and separated a rib possibly two in the process.

2005 · 2 incidents

June 27, 2005 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Gates Slate, Inc · Struck by falling object

CARRYING PIECE OF SLATE WITH ANOTHER WORKER. TRIPPED OVER ANOTHER ROCK & DROPPED PIECE ON KNEE.

April 26, 2005 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Gates Slate, Inc · Caught in, under or between a moving and a stationary object

CAUGHT LEFT THUMB BETWEEN TAILGATE AND TRUCK WHILE PUSHING IT CLOSED.

2004 · 1 incident

August 25, 2004 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Gates Slate, Inc · Caught in, under or between (Not Elsewhere Classified)

UNLOADING LARGE STONES (SLIDING WITH ANOTHER EE FROM FORKLIFT ONTO PALLET) PINCHED RIGHT THUMB BASE JOINT. CONINUED TO WORK SHIFT. REPORTED TO EMPLOYER NEXT MORNING WHEN SWELLING OCCURRED.

For insurers, brokers, and safety consultants

The full compliance file on Ironside Stone Works Quarry

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.