ERDC Cold Regions Research and Engineering Laboratory (CRREL) Arctic Researcher Jackie Richter-Menge poses recently with a piece of a Greenland Ice Core in a minus 24 degree Fahrenheit cold room, while briefing a very chilly group from St. Paul’s School, Concord, N.H.

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Photo by: US Army Corps of Engineers |  VIRIN: 120807-A-BG264-001.JPG