Sarna-Wojcicki, Andrei M.; Morrison, S. D.; Meyer, C. E.; Hillhouse, J. W. (1987): Correlation of upper Cenozoic tephra layers between sediments of the Western United States and eastern Pacific Ocean and comparison with biostratigraphic and magnetostratigraphic age data; with Suppl. Data 87-08. Geological Society of America (GSA), Boulder, CO, United States, Geological Society of America Bulletin, 98 (2), 207-223, georefid:1987-026401

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