The Mississippian and Pennsylvanian (Carboniferous) systems in the United States.
| Formato: | Documento de Gobierno Libro |
|---|---|
| Lenguaje: | English |
| Publicado: |
Washington :
U.S. Govt. Print. Off. : For sale by the Supt. of Docs,
1979.
|
| Colección: | Geological Survey professional paper ;
1110-M-DD. |
| Materias: |