← Back to search

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

Watch this mine

Email me when a new MSHA incident is filed at Portable #1 (Red Rock Quarry).

Fatalities: 0
Total incidents: 1
Years on record: 2026
Latest incident: Apr 2026

Compliance record

MSHA citations since 2004

266

citations

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.