groundfreezing.com
the definitive ground freezing resource
Joseph A. Sopko, Ph.D., P.E.
Director of Ground Freezing, Keller North America, Inc.
cell: (920) 889-0190
sun04junAll Daywed07Rapid Excavation and Tunneling ConferenceGround Freezing for Tunnel Shafts and Adits, First Street Tunnel, Washington, D.C.(All Day)(GMT+00:00)
June 4, 2017 - June 7, 2017 (All Day)(GMT+00:00)
San Diego, California
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