Item 1.04 Mine Safety - Reporting of Shutdowns and Patterns of Violations.
On January 6, 2022, Knife River Corporation - Northwest, an indirect subsidiary
of MDU Resources Group, Inc., received an imminent danger order issued by the
Mine Safety and Health Administration under section 107(a) of the Federal Mine
Safety and Health Act of 1977. The imminent danger order was issued at the
Farmington Pit in Washington County, Oregon, upon observation that a contracted
miner was standing on top of a conveyor belt without adequate fall protection.
The contracted miner was immediately ordered down from the conveyor belt,
thereby terminating the order.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits. The following exhibits are being furnished as part of this
report.
Exhibit Number Description
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)
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