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GRIP/GISP/NGRIP
Greenland Ice Core Projects
12
Sampling/drilling ice
12
DRILL
11
Drilling/drill rig
11
Age
9
GRIP
8
Greenland
8
water
8
δ18O
8
GISP
6
GISP2-B
4
GISP2
3
ISTUK
3
ISTUK electromechanical drill
3
DEPTH
2
GRIP891
2
GRIP892
2
GRIP893
2
GRIP912
2
GRIP913
2
ice/snow
2
δ Deuterium
2
AGE
1
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