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On his teamís first day out in the field near Kangerlussuaq, geomorphologist Paul Bierman of the University of Vermont explains what kind of rocks they look for to help determine the last time Greenland was free of ice.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 16, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science