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Dec 31, 1959
Bulletin
… of the Kaskapau shale and the lower part of the Puskwaskau shale … J.H. … Wall, J.H. (1960): Upper Cretaceous Foraminifera from the … … BUL 006 … Bulletin 006 … Upper Cretaceous Foraminifera from the …
Mar 16, 2017
Data
… the bounding surface for Upper Cretaceous-Paleogene bedrock strata …