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DRILL
8
Drilling/drill rig
GISP
8
GISP2-B
GRIP/GISP/NGRIP
Greenland Ice Core Projects
8
Sampling/drilling ice
8
ice/snow
5
AGE
3
DEPTH
3
Age
2
Ammonium
2
Calcium
2
Chloride
2
Depth
2
Magnesium
2
Nitrate
2
Potassium
2
Sodium ion
2
Sulfate
2
bottom/max
2
maximum/old
2
minimum/young
2
top/min
2
Age model
1
Conductivity
1
GISP2
1
GRIP
1
GRIP891
1
GRIP892
1
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