The University of Michigan Biological Station (UMBS) was founded in 1909.
The vegetational history of the Middle West
| Title | The vegetational history of the Middle West |
| Publication Type | Journal Article |
| Year of Publication | 1923 |
| Authors | Gleason HAllan |
| Journal | Annals of the Association of American Geographers |
| Volume | 12 |
| Pagination | 39-85 |
| Keywords | VEGETATION |