Contributions to the fossil flora of the western territories 
By: By Leo Lesquereux.
Series: Department of the interior. Report of the United States Geological survey of the territories. F. V. Hayden, United States geologist-in-charge. vol. VI-VIII
Publisher: Govt. print. off.
Published: 1874
Place of publication: Washington
Language: eng
Subjects: Paleobotany -- Cretaceous.; Paleobotany -- Tertiary.; Plants, Fossil -- West (U.S.)
Notes: At head of title: United States Geological survey of the territories.
Table of contents: value: pt. I. The Cretaceous flora.; value: pt. II. The Tertiary flora.; value: pt. III. The Cretaceous and Tertiary floras.