Mining Incidents

#79 Pioneer 50 VE Metal/Non-Metal

Hamburg, Carver County, MN  ·  Intermittent
MSHA Mine ID: 2103312

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Fatalities
0
Total incidents
4
Years on record
2013–2022
Latest incident
Nov 2022
Compliance record
MSHA citations since 2006
19
citations
7
significant & substantial
$2,471
proposed penalties
$2,471
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 69 0 0 0.0
2025 Q3 305 0 0 0.0
2025 Q2 302 0 0 0.0
2025 Q1 0 0 0
2024 Q4 479 0 0 0.0
2024 Q3 113 0 0 0.0
2024 Q2 765 0 0 0.0
2024 Q1 97 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.

Reportable incidents

4 on file

2022 · 1 incident

November 28, 2022 MN · Metal/Non-Metal master mechanic, foreman, supervisor HANDLING OF MATERIALS
Wm. Mueller & Sons, Inc. · Fall to the walkway or working surface

Employee was walking electrical cord backwards and tripped over bobcat bucket that was parked near the working area. Employee fell backwards and landed on their backside. Employee has a very sore buttocks and a headache set in right away. Employee is continuing to work at this time.

2016 · 1 incident

August 19, 2016 MN · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Wm. Mueller & Sons, Inc. · Struck by... (Not Elsewhere Classified)

Clearing a jam in the crusher and the pry bar slipped and broke employee's left pinky finger

2015 · 1 incident

September 30, 2015 MN · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker SLIP OR FALL OF PERSON
Wm. Mueller & Sons, Inc. · Over-exertion (Not Elsewhere Classified)

Walking out of crusher shack and stumbled and broke right ankle

2013 · 1 incident

August 26, 2013 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Wm. Mueller & Sons, Inc. · Over-exertion (Not Elsewhere Classified)

Cleaning out rolls on crusher, standing on belting slipped metal edge hit right ankle rolled ankle cracked R. foot.