Contact: Peter West
National Science Foundation
Caption: The first replicate ice core ever taken from the high side of an ice-core borehole is shown. This is a core drilled at right angles to the main borehole to get additional information. It is 4.25 inches in diameter.
Credit: Jay Johnson, Ice Drilling Design and Operations, University of Wisconsin-Madison
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Related news release: Antarctic ice core contains unrivaled detail of past climate