The flora of the Denver and associated formations of Colorado /
Knowlton, Frank Hall, 1860-1926.
The flora of the Denver and associated formations of Colorado / by Frank Hall Knowlton ; a posthumous work edited by Edward Wilber Berry. - Washington : U.S. Gov't. Print. Off., 1930. - 142 p., 2 l : ill., plates ; 30 cm.
At head of title: United States Department of the Interior.
Includes bibliographical references.
gs 30000137
Paleobotany--Colorado.
Paleontology--Cretaceous.
Paleontology--Tertiary.
QE924 / .K68
I 19.16:155
The flora of the Denver and associated formations of Colorado / by Frank Hall Knowlton ; a posthumous work edited by Edward Wilber Berry. - Washington : U.S. Gov't. Print. Off., 1930. - 142 p., 2 l : ill., plates ; 30 cm.
At head of title: United States Department of the Interior.
Includes bibliographical references.
gs 30000137
Paleobotany--Colorado.
Paleontology--Cretaceous.
Paleontology--Tertiary.
QE924 / .K68
I 19.16:155