PERSONNEL
Author in sub-arctic Canada
Thomas Berglin has over 20 years of experience with frozen ground as it relates to foundation performance.  He is a registered Professional Engineer in Alaska, Minnesota, Washington, Idaho, and Hawaii and has experience from the tropics to the arctic on both sides of the International Date Line.
Author in sub-arctic Canada
Author in Udokan Range, Siberia, Russian Federation
Author in Cajamarca District, Peru