Plant #42 Metal/Non-Metal

Milestone Materials Div/Mathy Construction Co · Surface

Controlled by Mathy Construction Company

Plain, Sauk County, WI · Active

MSHA Mine ID: 4701724

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Compliance record

MSHA citations since 2000

citations

significant & substantial

$4,191

proposed penalties

$4,191

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	Per 1M hrs
2025 Q4	3,669	0	0.0
2025 Q3	4,595	0	0.0
2025 Q2	3,703	0	0.0
2025 Q1	2,813	1	355.5
2024 Q4	3,022	0	0.0
2024 Q3	3,789	0	0.0
2024 Q2	3,941	0	0.0
2024 Q1	1,023	0	0.0

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

No fatalities recorded at this mine.

2 on file

August 23, 2011 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS

The Kraemer Company LLC · Over-exertion (Not Elsewhere Classified)

Employee states he was putting some lacing in the weigh bin when his left shoulder popped. He sought initial medical treatment on 8/29/11.

December 11, 2008 WI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS

The Kraemer Company LLC · Struck against stationary object

While changing cutting edges, bolt spun around and cut hand.