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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000067716-23-000011
Filing Date
2023-02-16
Accepted
2023-02-16 17:09:08
Documents
15
Period of Report
2023-02-16
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K mdu-20230216.htm   iXBRL 8-K 35241
2 EX-99.1 exhibit99-krcofficerannoun.htm EX-99.1 13119
7 EXHIBIT 99 GRAPHIC pressreleasea.jpg GRAPHIC 85124
  Complete submission text file 0000067716-23-000011.txt   336752

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20230216.xsd EX-101.SCH 2137
4 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20230216_def.xml EX-101.DEF 14762
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20230216_lab.xml EX-101.LAB 28551
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20230216_pre.xml EX-101.PRE 15382
9 EXTRACTED XBRL INSTANCE DOCUMENT mdu-20230216_htm.xml XML 11302
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

IRS No.: 301133956 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 23639305
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)