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Dec 31, 1966
Bulletin
… latter. A total of 84 species of foraminifera are described, … … Wall, J.H. (1967): Cretaceous Foraminifera of the Rocky Mountain … 020 … Bulletin 020 … Cretaceous Foraminifera of the Rocky Mountain …
Dec 31, 1966
Bulletin
… of the Plains is associated with foraminifera of middle Albian age. …