Article originally published in Tunnels and Tunneling (October – November 2017 issue).
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the definitive ground freezing resource
Joseph A. Sopko, Ph.D., P.E.
Director of Ground Freezing, Keller North America, Inc.
cell: (920) 889-0190
groundfreezing: Technical Papers
Article originally published in Tunnels and Tunneling (October – November 2017 issue).