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MDU Resources Group (MDU) Q4 2017 Results - Earnings Call Transcript [Seeking Alpha]

MDU Resources Group, Inc. (Holding Company)  (MDU) 
Last mdu resources group, inc. (holding company) earnings: 7/30 04:25 pm Check Earnings Report
US:NYSE Investor Relations: investor.mdu.com/investor-relations
PDF MDU Resources Group, Inc. (NYSE: MDU ) Q4 2017 Earnings Call February 7, 2018 2:00 PM ET Executives Jason L. Vollmer - MDU Resources Group, Inc. David L. G [Read more]