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Crusher #43534 Metal/Non-Metal

Northstar Materials Inc dba Knife River Materials · Surface

Controlled by Knife River Corporation

Bemidji, Beltrami County, MN · Intermittent

MSHA Mine ID: 2103127

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Fatalities: 0
Total incidents: 2
Years on record: 2002–2022
Latest incident: Aug 2022

Compliance record

MSHA citations since 2001

citations

significant & substantial

$6,429

proposed penalties

$5,425

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	126	0	0	0.0
2025 Q3	2	0	0	0.0
2025 Q2	1,136	0	0	0.0
2025 Q1	2	0	0	0.0
2024 Q4	496	0	0	0.0
2024 Q3	1,548	0	0	0.0
2024 Q2	2	0	0	0.0
2024 Q1	2	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

2 on file

2022 · 1 incident

August 5, 2022 MN · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE

Northstar Materials Inc dba Knife River Materials · Caught in, under or between a moving and a stationary object

Tail Pulley on conveyor was plugged and stopped the conveyor. Conveyor was locked out and gear box brake was set to prevent the belting from moving backwards. As material was removed relieving pressure, belting moved forward pulling miner into tail pulley.

2002 · 1 incident

September 13, 2002 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator FIRE

Thorson Inc · Contact with hot objects or substances

EE GOT ON TOP OF THE HOT MIX PLANT & ATTEMPTED TO WELD SOMETHING & TOOK LID OFF & HE THEN REACHED DOWN TO CLOSE LID AGAIN SHIRT CAUGHT FIRE. HE JUMPED DOWN INJURING FOOT & DISLOCATING TOES. WI TNESS GRABBED HIS SHIRT & RIPPED IT OFF.