relations of paleobotany to geology.
By: By Dr. F.H. Knowlton.
Publisher: Smithsonian Institution
Published: 1913
Place of publication: Washington
Language: eng
Number of pages: 358
Subjects: Paleobotany; Geology
Notes: In Smithsonian Institution annual report, 1912

"Reprinted fom the American naturalist, vol. 46, April, 1912."