Key Takeaway

Plant #34 is a intermittent surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It has 9 violations on record (1 S&S) and $922 in proposed penalties. Operated by Milestone Materials Div/Mathy Construction Co.

Plant #34

Intermittent Surface SandAndGravel

Operator: Milestone Materials Div/Mathy Construction Co

Controller: Mathy Construction Company

Location: Onalaska, La Crosse County, WI

Employees: 2

9
Violations
1
S&S Violations
4
Accidents
$922
Penalties

Recent Violations

View all 9 →
Date Section S&S Negligence Penalty
04/01/2025 56.12018 Non-S&S ModNegligence $151
10/31/2017 56.4201(a)(1) Non-S&S ModNegligence $116
11/07/2012 56.1000 Non-S&S ModNegligence $100
06/02/2011 56.12041 Non-S&S ModNegligence $100
06/02/2011 56.12018 Non-S&S ModNegligence $100
07/28/2010 56.11012 Non-S&S ModNegligence $100
11/19/2007 56.14101(a)(2) Non-S&S ModNegligence $100
11/19/2007 56.11001 S&S LowNegligence $100
11/20/2002 56.12004 Non-S&S ModNegligence $55

Accidents & Injuries

View all 4 →
Date Classification Injury Days Lost
03/26/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 76d restricted
06/24/2011 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
08/16/2003 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
01/11/2000 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 18d lost, 18d restricted

Inspections

View all 32 →
Begin End Hours Inspectors
11/13/2025 11/13/2025 7.00 1
04/01/2025 04/02/2025 6.75 1
10/22/2024 10/23/2024 4.00 1
10/03/2023 10/04/2023 3.75 1
11/09/2022 11/09/2022 7.75 1
11/17/2021 11/17/2021 3.25 1
10/14/2020 10/14/2020 5.25 1
10/01/2019 10/03/2019 13.25 1
04/24/2019 04/24/2019 2.75 1
10/31/2017 10/31/2017 4.50 1

Mine Details

MSHA Mine ID4702646
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees2
Days/Week5.0
Hours/Shift12.0
Coordinates43.8963890, -91.2250000
Nearest TownOnalaska

Frequently Asked Questions

How many MSHA violations does Plant #34 have?

Plant #34 has 9 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $922.

What type of mine is Plant #34?

Plant #34 is a Surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It currently has 2 employees.

Has anyone been injured or killed at Plant #34?

According to MSHA records, Plant #34 has 4 reported accident/injury records and 0 fatalities on file.

Who operates Plant #34?

Plant #34 is operated by Milestone Materials Div/Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4702646.