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Comparison of CB2 δ13O (blue) and δ13C (orange) to Pa/Th ratios (burgundy; Henry et al. 111) with Florida Strait gulf stream circulation (magenta49), Cariaco Basin reflectance (purple74), Juxtlahuaca (light green22), Costa Rica (blue108), Cuba (dark green46) and Lake Petén-Itzá (black50).