Mining Incidents

Portable Plant #2 Metal/Non-Metal

Strata Corporation · Surface
Controlled by Knife River Corporation
Grand Forks, Grand Forks County, ND  ·  Intermittent
MSHA Mine ID: 3200151

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Fatalities
0
Total incidents
5
Years on record
2000–2016
Latest incident
Apr 2016
Compliance record
MSHA citations since 2001
40
citations
18
significant & substantial
$7,216
proposed penalties
$7,078
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 2,008 0 0 0.0
2025 Q3 2,991 0 0 0.0
2025 Q1 0 0 0
2024 Q4 1,943 0 0 0.0
2024 Q3 0 0 0
2024 Q2 0 0 0
2024 Q1 0 0 0
2023 Q4 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

5 on file

2016 · 1 incident

April 29, 2016 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Strata Corporation · Caught in, under or between (Not Elsewhere Classified)

Prying with a Pry bar. Bar slipped and smashed finger between hopper and conveyor.

2012 · 1 incident

September 9, 2012 ND · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Strata Corporation · Struck by falling object

Preparing plant for a move, while taking the stairs off of the generator set, he lost his balance and stairs flipped over on him.

2005 · 1 incident

August 17, 2005 ND · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Strata Corporation · Struck by flying object

Changing conveyor belt on a crusher. A piece of belting flew back and hit him above the right eyebrow.

2000 · 2 incidents

November 8, 2000 ND · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Strata Corporation · Caught in, under or between (Not Elsewhere Classified)

FOLDING DOWN PORTABLE LIGHT PLANT HE PINCHED HISRIGHT MIDDLE FINGER PULLING THE CORD (SEVEN STITCHES).

October 10, 2000 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Strata Corporation · Struck by... (Not Elsewhere Classified)

CHANGING BELT ON SCREEN PLANT, KNIFE SLIPPED ANDCUT SMALL FINGER RIGHT HAND, 6 STITCHES.