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510374 Metal/Non-Metal

Knife River Corporation North Central · Surface

Controlled by Knife River Corporation

Sauk Rapids, Benton County, MN · Intermittent

MSHA Mine ID: 2103560

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Fatalities: 0
Total incidents: 3
Years on record: 2008–2025
Latest incident: Oct 2025

Compliance record

MSHA citations since 2006

citations

significant & substantial

$780

proposed penalties

$780

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	1,441	0.0
2025 Q3	1,584	0.0
2025 Q2	1,691	0.0
2025 Q1	0
2024 Q3	1	0.0
2024 Q2	2,340	0.0
2024 Q1	1	0.0
2023 Q3	1,561	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

3 on file

2025 · 1 incident

October 23, 2025 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE

Knife River Corporation North Central · Struck against a moving object

While stockpiling with a front-end loader, miner felt miner pain in lower back. Towards end of shift, pain had worsened. By next morning, pain had increased causing miner to go to ER.

2019 · 1 incident

July 23, 2019 MN · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS

Knife River Corporation North Central · Caught in, under or between a moving and a stationary object

Employee was lifting the cover on the hydraulic tank and a finger got caught fracturing the pinky finger.

2008 · 1 incident

June 24, 2008 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

Knife River Corporation North Central · Struck by... (Not Elsewhere Classified)

Tightening head pulley scraper on #2 sand conveyor with bungee cord. Scraper was worn & popped under head pulley. The scraper tensioning arm spun around and struck top of right hand.