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Age model
Comment
2
Error
2
Ice drill
2
NGRIP
2
Number
2
Sampling/drilling ice
Comment 2 (continued)
1
Comment 2 continued
1
Comment 3 (continued)
1
Comment 3 continued
1
DEPTH
1
DEPTH, ice/snow
1
Depth, reference
1
GRIP/GISP/NGRIP
1
Greenland
1
Greenland Ice Core Projects
1
Greenland Ice Core Projects GRIP/GISP/NGRIP
1
ICEDRILL
1
NorthGRIP
1
ice/snow
1
reference
1
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