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Issues

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

GSA Bulletin September 01, 1919, Vol.30, 399-404. doi:10.1130/GSAB-30-399
GSA Bulletin September 01, 1919, Vol.30, 405-414. doi:10.1130/GSAB-30-405
GSA Bulletin September 01, 1919, Vol.30, 415-422. doi:10.1130/GSAB-30-415
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