<SEC-DOCUMENT>0000067716-16-000159-index.html : 20160628 <SEC-HEADER>0000067716-16-000159.hdr.sgml : 20160628 <ACCEPTANCE-DATETIME>20160628080348 ACCESSION NUMBER: 0000067716-16-000159 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160624 ITEM INFORMATION: Entry into a Material Definitive Agreement ITEM INFORMATION: Completion of Acquisition or Disposition of Assets ITEM INFORMATION: Material Impairments FILED AS OF DATE: 20160628 DATE AS OF CHANGE: 20160628 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MDU RESOURCES GROUP INC CENTRAL INDEX KEY: 0000067716 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 410423660 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 161734694 BUSINESS ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 BUSINESS PHONE: 701-530-1059 MAIL ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 FORMER COMPANY: FORMER CONFORMED NAME: MONTANA DAKOTA UTILITIES CO DATE OF NAME CHANGE: 19850429 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>item101dpr.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: item101dpr.htm
</DOCUMENT> </SEC-DOCUMENT>