Additions to and revision of the Oligocene Ruby paper shale flora of southwestern Montana /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Ann Arbor :
Museum of Paleontology, University of Michigan,
1966.
|
| Series: | Contributions from the Museum of Paleontology ;
v. 20, no. 5. |
| Subjects: |