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C-14 YR BP
3
Peat bog
3
Heavy-metals
2
Jura Mountains
2
Trace-elements
2
Air-pollution
1
Antarctic Ice
1
Anthropogenic lead
1
Arctic
1
Central Greenland
1
Climatic cycles
1
Continental-crust
1
Core
1
Coring equipment
1
Ellesmere-Island
1
Environmental impacts
1
Frozen peat
1
Geochemistry
1
Greenland
1
Greenland snow
1
Isotope ratios
1
Lead deposition
1
Northern-hemisphere
1
Peat
1
Permafrost
1
Radiocarbon dating
1
Samples
1
Swedish lake sediments
1
Switzerland
1
Tundra
1
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