Key Takeaway

Plant #59 is a intermittent surface mine producing Stone, located in Onalaska, La Crosse County, WI. It has 17 violations on record (3 S&S) and $1K in proposed penalties. Operated by Milestone Materials Division Mathy Construction Co.

Plant #59

Intermittent Surface Stone

Operator: Milestone Materials Division Mathy Construction Co

Controller: Mathy Construction Company

Location: Onalaska, La Crosse County, WI

Employees: 3

17
Violations
3
S&S Violations
1
Accidents
$1K
Penalties

Recent Violations

View all 17 →
Date Section S&S Negligence Penalty
06/08/2015 56.14107(a) Non-S&S ModNegligence $100
06/08/2015 56.12004 Non-S&S ModNegligence $100
07/09/2014 56.18002(b) Non-S&S LowNegligence $100
05/24/2011 46.9(b) Non-S&S HighNegligence $100
07/21/2010 56.14107(a) Non-S&S LowNegligence $100
07/21/2010 56.12004 Non-S&S ModNegligence $100
07/21/2010 56.14112(b) Non-S&S ModNegligence $100
07/21/2010 46.9(b)(3) Non-S&S HighNegligence $100
07/21/2010 46.9(g) Non-S&S HighNegligence $100
08/01/2006 56.12004 Non-S&S ModNegligence $60
08/01/2006 56.14100(b) Non-S&S HighNegligence $60
04/20/2005 56.12004 Non-S&S ModNegligence $60
04/20/2005 56.4201(a)(2) Non-S&S ModNegligence $60
08/27/2001 56.14130(c) Non-S&S LowNegligence $55
05/16/2000 56.11002 S&S ModNegligence $76
05/16/2000 56.11001 S&S ModNegligence $76
05/16/2000 56.11002 S&S ModNegligence $76

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
07/08/2020 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 2d lost

Inspections

View all 34 →
Begin End Hours Inspectors
09/25/2025 09/25/2025 11.75 1
03/18/2025 03/18/2025 5.00 1
04/08/2024 04/09/2024 8.25 1
08/02/2023 08/02/2023 8.50 1
06/16/2022 06/16/2022 4.25 1
03/23/2021 03/24/2021 6.50 1
06/18/2020 06/18/2020 11.75 1
09/04/2019 09/04/2019 6.50 1
05/01/2019 05/01/2019 10.25 1
05/30/2018 05/31/2018 7.75 1

Mine Details

MSHA Mine ID4703215
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees3
Days/Week6.0
Hours/Shift12.0
Coordinates43.8963890, -91.2250000
Nearest TownOnalaska

Frequently Asked Questions

How many MSHA violations does Plant #59 have?

Plant #59 has 17 MSHA violations on record, of which 3 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1K.

What type of mine is Plant #59?

Plant #59 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 #59?

According to MSHA records, Plant #59 has 1 reported accident/injury records and 0 fatalities on file.

Who operates Plant #59?

Plant #59 is operated by Milestone Materials Division Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4703215.