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ISSN 0016-7606
EISSN 1943-2674
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GSA Bulletin September 01, 1957, Vol.68, 1077-1100. doi:10.1130/0016-7606(1957)68[1077:CPALEG]2.0.CO;2
GSA Bulletin September 01, 1957, Vol.68, 1101-1116. doi:10.1130/0016-7606(1957)68[1101:CAAOTM]2.0.CO;2
GSA Bulletin September 01, 1957, Vol.68, 1117-1140. doi:10.1130/0016-7606(1957)68[1117:UMOAD]2.0.CO;2
GSA Bulletin September 01, 1957, Vol.68, 1141-1201. doi:10.1130/0016-7606(1957)68[1141:HOLBAS]2.0.CO;2
GSA Bulletin September 01, 1957, Vol.68, 1203-1224. doi:10.1130/0016-7606(1957)68[1203:EOGROT]2.0.CO;2
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