Upper Cretaceous floras of the Rocky Mountain region
By: by  Erling Dorf.
Series: Contributions to palæontology; Contributions to paleontology
Published: 1938
Place of publication: Washington : Carnegie Institute of Washington
Language: lat
Subjects: Paleobotany -- Cretaceous; Paleobotany -- Rocky Mountains; Paleobotany -- Colorado; Paleobotany -- Wyoming
Table of contents: title: 1. Stratigraphy and palæeontology of the Fox Hills and Lower Medicine Bow formations of southern Wyoming and northwestern Colorado.; title: 2. Flora of the Lance formation at its type locality, Niobrara County.