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Mobile Crusher #1 Metal/Non-Metal

Knife River Materials · Surface

Controlled by Knife River Corporation

Riddle, Douglas County, OR · Intermittent

MSHA Mine ID: 3502906

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Email me when a new MSHA incident is filed at Mobile Crusher #1.

Fatalities: 0
Total incidents: 1
Years on record: 2001
Latest incident: Sep 2001

Compliance record

MSHA citations since 2001

citations

significant & substantial

$4,692

proposed penalties

$4,271

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	1,062	0.0
2025 Q3	3,565	0.0
2025 Q2	3,091	0.0
2025 Q1	0
2024 Q4	91	0.0
2024 Q3	1,340	0.0
2024 Q2	1,362	0.0
2024 Q1	1,174	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

1 on file

2001 · 1 incident

September 10, 2001 OR · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler MACHINERY

Bracelin-Yeager Div. of LTM Inc. · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS TRAVELING DOWN HILL, OPERATING AN EXCAVATOR. THE DOOR ON THE CAB CAME UNLATCHED AND SWUNG CLOSED ON HIS LEFT HAND WHILE HE WAS BRACING HIMSELF AGAINST THE DOOR JAM.