The Laramie flora of the Denver basin
Subtitle: With a review of the Laramie problem
By: by F. H. Knowlton.
Series: U.S. Geological survey. Professional paper -- l30.; Professional paper (Geological Survey (U.S.)) -- 130.
Publisher: Govt. print. off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 175
Subjects: Paleobotany -- Cretaceous; Paleobotany -- Denver Basin; Paleobotany -- Tertiary