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
sun01octAll Daywed04GeoOttowa(All Day)(GMT+00:00)
October 1, 2017 - October 4, 2017 (All Day)(GMT+00:00)
Ottowa, Canada
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