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Issues

ISSN 0016-7606
EISSN 1943-2674
In this Issue

Bulletin of the Geological Society of America

GSA Bulletin January 01, 1939, Vol.50, 1-78. doi:10.1130/GSAB-50-1
GSA Bulletin January 01, 1939, Vol.50, 79-88. doi:10.1130/GSAB-50-79
GSA Bulletin January 01, 1939, Vol.50, 89-126. doi:10.1130/GSAB-50-89
GSA Bulletin January 01, 1939, Vol.50, 127-180. doi:10.1130/GSAB-50-127
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