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Supplement to: Cochran, J Kirk; Krishnaswami, Seth (1980): Radium, thorium, uranium, and 210 Pb in deep-sea sediments and sediment pore waters from the North Equatorial Pacific. American Journal of Science, 280(9), 849-889, https://doi.org/10.2475/ajs.280.9.849
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yr:1980
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