The flora of the Fox Hills sandstone
By: by F. H. Knowlton.
Series: Geological Survey professional paper -- 98-H; Shorter contributions to general geology
Publisher: U.S. Govt. Print. Off.
Published: 1916
Place of publication: [Washington
Language: eng
Number of pages: 93
Subjects: Paleobotany -- Colorado -- Cretaceous.; Paleobotany -- Cretaceous.; Plants, Fossil -- Colorado.
Notes: Includes bibliographical references and index.