Key Takeaway

Plant #29 is a intermittent surface mine producing Stone, located in Onalaska, La Crosse County, WI. It has 17 violations on record (4 S&S) and $2K in proposed penalties. Operated by Milestone Materials Division Mathy Construction.

Plant #29

Intermittent Surface Stone

Operator: Milestone Materials Division Mathy Construction

Controller: Mathy Construction Company

Location: Onalaska, La Crosse County, WI

Employees: 3

17
Violations
4
S&S Violations
7
Accidents
$2K
Penalties

Recent Violations

View all 17 →
Date Section S&S Negligence Penalty
08/08/2023 56.20011 Non-S&S LowNegligence $143
10/11/2018 56.12008 Non-S&S LowNegligence $118
10/03/2017 56.14107(a) Non-S&S LowNegligence $116
07/31/2017 46.11(b)(3) Non-S&S LowNegligence $129
07/31/2017 56.14107(a) Non-S&S LowNegligence $116
07/31/2017 56.9317 S&S LowNegligence $126
06/30/2015 56.14100(b) Non-S&S ModNegligence $100
09/10/2014 56.14112(a)(1) Non-S&S ModNegligence $100
09/10/2014 56.12004 Non-S&S ModNegligence $100
09/10/2014 56.12032 Non-S&S ModNegligence $100
07/10/2013 56.12004 Non-S&S LowNegligence $100
10/19/2009 56.12028 S&S LowNegligence $190
10/19/2009 56.14130(g) S&S LowNegligence $108
10/19/2009 56.4201(a)(2) Non-S&S ModNegligence $100
10/19/2009 56.14132(a) Non-S&S ModNegligence $100
10/09/2001 56.14107(a) S&S ModNegligence $76
10/09/2001 56.13015(b) Non-S&S ModNegligence $55

Accidents & Injuries

View all 7 →
Date Classification Injury Days Lost
05/20/2010 STEPPING OR KNEELING ON OBJECT DAYS AWAY FROM WORK ONLY 10d lost
07/08/2007 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 2d lost
11/14/2005 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 1d lost
02/13/2004 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 20d lost, 15d restricted
08/16/2001 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
04/03/2001 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted
07/06/2000 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 14d lost, 1d restricted

Inspections

View all 34 →
Begin End Hours Inspectors
10/30/2025 10/31/2025 15.75 1
11/04/2024 11/06/2024 5.50 1
05/22/2024 05/22/2024 2.00 1
02/26/2024 02/29/2024 11.75 1
08/08/2023 08/08/2023 6.00 1
05/17/2023 05/17/2023 1.50 1
05/13/2022 05/13/2022 6.00 1
03/22/2021 03/29/2021 18.50 1
10/22/2019 10/22/2019 3.75 1
10/11/2018 10/15/2018 10.50 1

Mine Details

MSHA Mine ID4703059
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees3
Days/Week5.0
Hours/Shift12.0
Coordinates43.8963890, -91.2250000
Nearest TownOnalaska

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Frequently Asked Questions

How many MSHA violations does Plant #29 have?

Plant #29 has 17 MSHA violations on record, of which 4 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is Plant #29?

Plant #29 is a Surface mine producing Stone, located in Onalaska, La Crosse County, WI. It currently has 3 employees.

Has anyone been injured or killed at Plant #29?

According to MSHA records, Plant #29 has 7 reported accident/injury records and 0 fatalities on file.

Who operates Plant #29?

Plant #29 is operated by Milestone Materials Division Mathy Construction and controlled by Mathy Construction Company. MSHA Mine ID: 4703059.