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 -- v. 6-8.; Report of the United States Geological Survey of the Territories -- v. 6-8.
Publisher: Govt. Print. Off.
Published: 1874
Place of publication: Washington
Language: eng
Subjects: Paleobotany -- Cretaceous; Paleobotany -- Tertiary; Paleobotany -- West (U.S.); Plants, Fossil -- West (U.S.)
Table of contents: title: pt. 1. The Cretaceous flora; title: pt. 2. The Tertiary flora; title: pt. 3. The Cretaceous and Tertiary floras.