found: Work cat.: Alley, R.B. The two-mile time machine : ice cores, abrupt climate change, and our future, c2000.
found: Cambridge encyclopedia of archaeology, 1980:p. 53 (ice cores, used to derive long climatic records)
found: Dictionary of archaeology, 1999:p. 294 (ice cores, in polar glaciers, annual ice layers defined by variations in dust content and acidity)
found: Archaeology wordsmith WWW site, Aug. 9, 2005 (Ice cores: Borings taken from the Arctic and Antarctic polar ice caps, containing layers of compacted ice, useful for the reconstruction of paleoenvironments and paleoclimatology and as a method of absolute dating)
notfound: Larousse encyclopedia of archaeology, c1972;Facts on file dictionary of archaeology, 1983
