View source for File:Figure 4.54 - 206Pb to 207Pb ratios at Coats Land, Law Dome and Victoria Land over the past 200 years.png

A comparison of 206Pb/207Pb ratios at Coats Land, Law Dome and Victoria Land over the past 200 years (Van de Velde et al., 2005<ref name="Velde et al, 2005">Van De Velde, K., Vallelonga, P., Candelone, J.-P., Rosman, K.J.R., Gaspari, V., Cozzi, G., Barbante, C., Udisti, R., Cescon, P. and Boutron, C.F. 2005. Pb isotope record over one century in snow from Victoria Land, Antarctica, ''Earth and Planetary Science Letters'', '''232''', 95-108.</ref>).
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