Title: Correlation of the Silurian rocks of Australia, New Zealand, and New Guinea
Subjects: Stratigraphic Geology, Stratigraphic correlation, Tertiary Geologic Period, Paleobotanica, Geology, Terciario, Paleobotany, Estratigrafia, Paleobotânica, Terciário, Geology, Stratigraphic--Tertiary, Paleobotany--Tertiary, Geology--North Dakota, Paleobotany--North Dakota, Geology--Williston Basin
Places: Oceanica, Oceania
Time periods: Silurian