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ISSN 0016-7606
EISSN 1943-2674
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Bulletin of the Geological Society of America

GSA Bulletin October 01, 1938, Vol.49, 1485-1514. doi:10.1130/GSAB-49-1485
GSA Bulletin October 01, 1938, Vol.49, 1515-1544. doi:10.1130/GSAB-49-1515
GSA Bulletin October 01, 1938, Vol.49, 1545-1568. doi:10.1130/GSAB-49-1545
GSA Bulletin October 01, 1938, Vol.49, 1569-1626. doi:10.1130/GSAB-49-1569
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