Contributions to the fossil flora of the western territories ...
Lesquereux, Leo, 1806-1889.
Contributions to the fossil flora of the western territories ... By Leo Lesquereux. - Washington, Govt. print. off., 1874-83. - 3 v. plates. 28-31 cm. - 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 .
At head of title: United States Geological survey of the territories.
pt. I. The Cretaceous flora.--pt. II. The Tertiary flora.--pt. III. The Cretaceous and Tertiary floras.
gs 08000143 //r933
Paleobotany--Cretaceous.
Paleobotany--Tertiary.
Plants, Fossil--West (U.S.)
QE74 / .H4 vol. 6-8
Contributions to the fossil flora of the western territories ... By Leo Lesquereux. - Washington, Govt. print. off., 1874-83. - 3 v. plates. 28-31 cm. - 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 .
At head of title: United States Geological survey of the territories.
pt. I. The Cretaceous flora.--pt. II. The Tertiary flora.--pt. III. The Cretaceous and Tertiary floras.
gs 08000143 //r933
Paleobotany--Cretaceous.
Paleobotany--Tertiary.
Plants, Fossil--West (U.S.)
QE74 / .H4 vol. 6-8