Frank Brothers Inc · Struck against stationary object
HE WAS CLEANING THE SCREENS FOR A SCREENING PLANT AND BUMPED HIS HEAD ON THE HIGH BEAM OF THE SCREENING PLANT.
PIONEER JAW Metal/Non-Metal
Southern Wisconsin Aggregate Corporation
· Surface
Controlled by
Daniel L Silha
Janesville,
Rock County,
WI
·
Intermittent
MSHA Mine ID: 4703187
PIONEER JAW has $6K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Email me when a new MSHA incident is filed at PIONEER JAW.
- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2008
- Latest incident
- Jul 2008
Compliance record
MSHA citations since 2000
66
citations
10
significant & substantial
$6,400
proposed penalties
$6,400
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
38
inspections on record
335
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: 335 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
PIONEER JAW has $6K 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.$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
64 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-07-08.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 148 | 0 | 0 | 0.0 |
| 2025 Q3 | 337 | 4 | 0 | 11869.4 |
| 2025 Q2 | 10 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 187 | 0 | 0 | 0.0 |
| 2024 Q3 | 404 | 0 | 0 | 0.0 |
| 2024 Q2 | 350 | 0 | 0 | 0.0 |
| 2023 Q4 | 499 | 0 | 0 | 0.0 |
Show 93 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q3 | 428 | 0 | 0 | 0.0 |
| 2023 Q2 | 414 | 2 | 0 | 4830.9 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 397 | 0 | 0 | 0.0 |
| 2022 Q3 | 225 | 0 | 0 | 0.0 |
| 2022 Q2 | 318 | 1 | 0 | 3144.7 |
| 2022 Q1 | 36 | 0 | 0 | 0.0 |
| 2021 Q4 | 168 | 0 | 0 | 0.0 |
| 2021 Q3 | 244 | 0 | 0 | 0.0 |
| 2021 Q2 | 299 | 0 | 0 | 0.0 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 151 | 5 | 0 | 33112.6 |
| 2020 Q3 | 17 | 0 | 0 | 0.0 |
| 2020 Q2 | 0 | 0 | 0 | |
| 2020 Q1 | 0 | 0 | 0 | |
| 2019 Q4 | 0 | 0 | 0 | |
| 2019 Q2 | 485 | 0 | 0 | 0.0 |
| 2019 Q1 | 858 | 0 | 0 | 0.0 |
| 2018 Q4 | 475 | 0 | 0 | 0.0 |
| 2018 Q3 | 0 | 0 | 0 | |
| 2018 Q2 | 0 | 0 | 0 | |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 512 | 0 | 0 | 0.0 |
| 2017 Q3 | 626 | 0 | 0 | 0.0 |
| 2017 Q2 | 480 | 5 | 2 | 10416.7 |
| 2017 Q1 | 43 | 0 | 0 | 0.0 |
| 2016 Q4 | 350 | 0 | 0 | 0.0 |
| 2016 Q3 | 642 | 2 | 0 | 3115.3 |
| 2016 Q2 | 320 | 0 | 0 | 0.0 |
| 2016 Q1 | 207 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,080 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,706 | 4 | 3 | 2344.7 |
| 2015 Q2 | 863 | 0 | 0 | 0.0 |
| 2015 Q1 | 74 | 1 | 1 | 13513.5 |
| 2014 Q4 | 486 | 0 | 0 | 0.0 |
| 2014 Q3 | 477 | 2 | 0 | 4192.9 |
| 2014 Q2 | 259 | 0 | 0 | 0.0 |
| 2013 Q4 | 0 | 0 | 0 | |
| 2013 Q3 | 1 | 0 | 0 | 0.0 |
| 2013 Q2 | 1 | 0 | 0 | 0.0 |
| 2013 Q1 | 1 | 0 | 0 | 0.0 |
| 2012 Q4 | 1 | 0 | 0 | 0.0 |
| 2012 Q3 | 1 | 0 | 0 | 0.0 |
| 2012 Q2 | 92 | 3 | 0 | 32608.7 |
| 2012 Q1 | 1 | 0 | 0 | 0.0 |
| 2011 Q4 | 609 | 0 | 0 | 0.0 |
| 2011 Q3 | 710 | 0 | 0 | 0.0 |
| 2011 Q2 | 370 | 6 | 1 | 16216.2 |
| 2011 Q1 | 1 | 0 | 0 | 0.0 |
| 2010 Q4 | 700 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,537 | 1 | 1 | 650.6 |
| 2010 Q2 | 556 | 0 | 0 | 0.0 |
| 2010 Q1 | 1 | 0 | 0 | 0.0 |
| 2009 Q4 | 835 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,032 | 0 | 0 | 0.0 |
| 2009 Q2 | 538 | 0 | 0 | 0.0 |
| 2009 Q1 | 1 | 0 | 0 | 0.0 |
| 2008 Q4 | 869 | 2 | 1 | 2301.5 |
| 2008 Q3 | 1,485 | 0 | 0 | 0.0 |
| 2008 Q2 | 746 | 0 | 0 | 0.0 |
| 2008 Q1 | 1 | 0 | 0 | 0.0 |
| 2007 Q4 | 940 | 1 | 0 | 1063.8 |
| 2007 Q3 | 1,132 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,023 | 0 | 0 | 0.0 |
| 2007 Q1 | 1 | 0 | 0 | 0.0 |
| 2006 Q4 | 935 | 2 | 0 | 2139.0 |
| 2006 Q3 | 1,296 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,149 | 0 | 0 | 0.0 |
| 2006 Q1 | 1 | 0 | 0 | 0.0 |
| 2005 Q4 | 792 | 1 | 0 | 1262.6 |
| 2005 Q3 | 1,336 | 0 | 0 | 0.0 |
| 2005 Q2 | 815 | 0 | 0 | 0.0 |
| 2005 Q1 | 395 | 4 | 0 | 10126.6 |
| 2004 Q4 | 1,125 | 0 | 0 | 0.0 |
| 2004 Q3 | 1,152 | 0 | 0 | 0.0 |
| 2004 Q2 | 703 | 1 | 0 | 1422.5 |
| 2004 Q1 | 88 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,077 | 0 | 0 | 0.0 |
| 2003 Q3 | 1,852 | 0 | 0 | 0.0 |
| 2003 Q2 | 1,047 | 0 | 0 | 0.0 |
| 2003 Q1 | 143 | 0 | 0 | 0.0 |
| 2002 Q4 | 654 | 12 | 1 | 18348.6 |
| 2002 Q3 | 920 | 0 | 0 | 0.0 |
| 2002 Q2 | 869 | 0 | 0 | 0.0 |
| 2002 Q1 | 182 | 0 | 0 | 0.0 |
| 2001 Q4 | 983 | 3 | 0 | 3051.9 |
| 2001 Q3 | 1,860 | 0 | 0 | 0.0 |
| 2001 Q2 | 1,213 | 0 | 0 | 0.0 |
| 2001 Q1 | 0 | 0 | 0 | |
| 2000 Q4 | 117 | 0 | 0 | 0.0 |
| 2000 Q3 | 484 | 0 | 0 | 0.0 |
| 2000 Q2 | 312 | 2 | 0 | 6410.3 |
| 2000 Q1 | 0 | 0 | 0 |
No fatalities recorded at this mine.
Reportable incidents
1 on file2008 · 1 incident
For insurers, brokers, and safety consultants
The full compliance file on PIONEER JAW
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.