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Tunneling and Underground

September-October 2022 Committee Chair’s Report in Deep Foundations magazine

September 21, 2022

Chair Report from Tunneling and Underground Co-chairs.

DFI Announces Robert Stier as New Co-chair of Tunneling and Underground Committee

November 03, 2021

October 22, 2021, Hawthorne, N.J.: Deep Foundations Institute (DFI) announces Robert Stier of Drill Tech Drilling & Shoring is the new co-chair of DFI’s Tunneling and Underground Committee. He joins co-chair, Jim Morrison, P.E., P.Eng., COWI, and takes over for outgoing co-chair David Klug, David R. Klug & Associate.