Plant #73 Metal/Non-Metal

Milestone Materials Div Mathy Construction Co · Surface

Controlled by Mathy Construction Company

LaCrosse, La Crosse County, WI · Intermittent

MSHA Mine ID: 4703466

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Compliance record

MSHA citations since 2010

citations

significant & substantial

$1,035

proposed penalties

$1,035

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2025 Q4	2,417	0	0	0.0
2025 Q2	3,094	0	0	0.0
2025 Q1	1,542	0	0	0.0
2024 Q4	2,478	0	0	0.0
2024 Q2	3,814	0	0	0.0
2023 Q4	4,020	0	0	0.0
2023 Q2	3,461	0	0	0.0
2023 Q1	635	0	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

5 on file

October 31, 2025 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS

Milestone Materials Div Mathy Construction Co · Over-exertion (Not Elsewhere Classified)

Employee was adding a fellow employee who had fallen to their feet and injured their head/neck and lower back.

September 17, 2024 WI · Metal/Non-Metal welder (shop) MACHINERY

Flash burn to eyes while doing maintenance.

June 12, 2023 WI · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS

Milestone Materials Div Mathy Construction Co · Struck by rolling or sliding object

Employee was lifting a heavy rock, dropped the rock and it rolled into EE's right ankle.

November 7, 2019 WI · Metal/Non-Metal miner, prospector, nec STRIKING OR BUMPING

Operator stood up and struck EE's hardhat against steel cross member causing neck strain.

March 15, 2019 WI · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS

Milestone Materials Div Mathy Construction Co · Over-exertion in pulling or pushing objects

Employee was trying to move a tail pulley section that was on the ground when EE felt an abnormal feeling in EE's right bicep.