Graptolites of North America
| Title | Graptolites of North America |
|---|---|
| Publication Type | Book |
| Year of Publication | 1947 |
| Authors | Ruedemann, R. |
| Keywords | paleontology |
| Series Title | Memoir |
| Issue Number | 19 |
| Publisher | Geological Society of America |
| City | New York, New York |