Mining Incidents

Portable #1 (Red Rock Quarry) Metal/Non-Metal

Red Rock Quarry · Surface
Controlled by Mike Dean Scheffler
Sanborn, Cottonwood County, MN  ·  Active
MSHA Mine ID: 2103454

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Fatalities
0
Total incidents
1
Years on record
2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2004
266
citations
53
significant & substantial
$89,591
proposed penalties
$74,022
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 7,224 9 0 1245.8
2025 Q3 8,704 0 0 0.0
2025 Q2 8,614 6 0 696.5
2025 Q1 5,280 0 0 0.0
2024 Q4 6,797 4 1 588.5
2024 Q3 8,685 5 2 575.7
2024 Q2 8,251 0 0 0.0
2024 Q1 4,603 11 0 2389.7
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

1 on file

2026 · 1 incident

April 22, 2026 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Red Rock Quarry · Struck by... (Not Elsewhere Classified)

Employee was loosening bolts for a loader bucket cutting edge with an air impact, and grabbed the bolt head with EE's bare hand. The bolt spun in EE's hand, cutting open two of EE's fingers on EE's left hand. Employee was taken to the emergency room for stitches.