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AGE
1
Calcium cation
1
Chloride anion
1
DEPTH, ice/snow
1
Depth, bottom/max
1
Depth, top/min
Diameter
1
Drilling/drill rig
1
Epoch
1
GRIP
1
Greenland Ice Core Projects GRIP/GISP/NGRIP
1
International Polar Year 2007-2008 IPY
1
Magnesium cation
1
Nitrate ion
1
Number
1
Particle concentration
1
Sampling/drilling ice
Sodium cation
1
Standard deviation
Sulfate anion
1
Thickness
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