The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States,
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Washington,
U.S. Govt. Print. Off.,
1969.
|
| Series: | Geological Survey professional paper ;
619. |
| Subjects: |