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Superior Cone Crusher Metal/Non-Metal

Wm. Mueller & Sons Inc · Surface

Controlled by Timothy W Mueller; Mori D Willemsen; Brian Droege

Shakopee, Sibley County, MN · Intermittent

MSHA Mine ID: 2102695

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Email me when a new MSHA incident is filed at Superior Cone Crusher.

Fatalities: 0
Total incidents: 2
Years on record: 2000–2002
Latest incident: Apr 2002

Compliance record

MSHA citations since 2000

citations

significant & substantial

$1,702

proposed penalties

$1,702

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Per 1M hrs
2025 Q4	299	0.0
2025 Q3	1,014	0.0
2025 Q2	1,145	0.0
2025 Q1	0
2024 Q4	1,970	0.0
2024 Q3	1,769	0.0
2024 Q2	232	0.0
2024 Q1	0

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

No fatalities recorded at this mine.

Reportable incidents

2 on file

2002 · 1 incident

April 10, 2002 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS

Wm. Mueller & Sons Inc · Caught in, under or between (Not Elsewhere Classified)

CLEARING ROD FROM CRUSHER, PINCHED LITTLE FINGER LEFT HAND, SMASHED LITTLE FINGER, BROKE IT.

2000 · 1 incident

March 16, 2000 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

Wm. Mueller & Sons Inc · Over-exertion in lifting objects

CHANGING SCREENS ON CRUSHER. TWISTED LOWER BACK MUSCLE.