Portable Rock Plant #2 Metal/Non-Metal

Knife River Midwest LLC · Surface

Controlled by MDU Resources Group Inc

Leroy, Winneshiek County, IA · Abandoned

MSHA Mine ID: 2101392

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Compliance record

MSHA citations since 2001

citations

significant & substantial

$704

proposed penalties

$704

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
2007 Q3	0
2007 Q1	16	0.0
2006 Q4	972	0.0
2006 Q3	1,851	0.0
2006 Q2	1,577	0.0
2006 Q1	2	0.0
2005 Q4	4,023	0.0
2005 Q2	4,823	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

1 on file

October 30, 2001 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

Knife River Midwest LLC · Fall from machine

EE WAS STANDING ONT HE TIRES OF THE PLANT WHILE CHANING HAMMERS ON SECONDARY AND STEPPED BETWEEN THE TIRES AND FELL 3' TO THE GROUND.