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

GSA Bulletin August 01, 1937, Vol.48, 1079-1146. doi:10.1130/GSAB-48-1079
GSA Bulletin August 01, 1937, Vol.48, 1147-1210. doi:10.1130/GSAB-48-1147
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