Physical properties: ice cores
 Profiles of
  - T,S, nb
  - structure
  - crystallography
  - d O18
 About 30 sites
Date: 28 July
Event 21
Lat. 66o 21'.6 S
Long. 70o 43'.1 W
Thickness: 33 cm
Granular: 58%
Columnar: 42%