MDU Resources Subsidiary Receives Permit for Texas Quarry Operations

BISMARCK, N.D., Nov. 6, 2019 /PRNewswire/ — Knife River Corporation, the construction materials subsidiary of MDU Resources Group, Inc. (NYSE: MDU), announced today it has received permitting to begin operations at a strategic new aggregate quarry in Texas. The quarry contains an estimated 40-year supply of high-quality aggregates, enabling Knife River to self-supply a significant portion of the base materials it uses for construction and for the production of ready-mix concrete and asphalt. The site also will be open to third-party sales.