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A catalogue of the Cretaceous and Tertiary plants of North America by Frank Hall Knowlton.
By: Knowlton, Frank Hall, - United States. Geological Survey.
Publication info: Washington :G.P.O.,1898.
Holding Institution: Canadiana.org (archive.org)
Subjects: Crétacé Cretaceous North America Paleobotany Tertiaire Tertiary