Contributions to Late Cretaceous stratigraphy and paleontology, western Montana
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| Hlavní autoři: | , , |
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| Další autoři: | , , |
| Typ dokumentu: | Kniha |
| Jazyk: | Angličtina |
| Vydáno: |
Washington :
United States Government Printing Office,
1991
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| Edice: | U.S. Geological Survey bulletin ;
1962 |
| Témata: |
Obsah:
- A. Redefinition of Frontier Formation-Beaverhead Group contact, Lima Peaks area, southwestern Montana and southeastern Idaho / by T.S. Dyman, J.C. Haley, and W.J. Perry, Jr.
- Biostratigraphic correlation of Santonian and Campanian formations in the northwestern part of Yellowstone National Park, Madison Range, and Livingston area of southwestern Montana / by R.G. Tysdal and D.J. Nichols
- Occurrence and significance of the middle Turonian (Upper Cretaceous) belemnite Actinocamax in central western Montana / by William A. Cobban