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Bulletin of the Geological Society of America

GSA Bulletin April 30, 1936, Vol.47, 459-540. doi:https://doi.org/10.1130/GSAB-47-459
GSA Bulletin April 30, 1936, Vol.47, 541-564. doi:https://doi.org/10.1130/GSAB-47-541
GSA Bulletin April 30, 1936, Vol.47, 565-608. doi:https://doi.org/10.1130/GSAB-47-565
GSA Bulletin April 30, 1936, Vol.47, 609-620. doi:https://doi.org/10.1130/GSAB-47-609
GSA Bulletin April 30, 1936, Vol.47, 621-628. doi:https://doi.org/10.1130/GSAB-47-621
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